II.—Families in Ireland from the 11th to the end of the 16th Century

According to “A Topographical and Historical Map of Ancient Ireland,” compiled by Philip MacDermott, M.D., the following were the names of the principal families[1] in Ireland, of Irish, Anglo-Norman, and Anglo-Irish origin, from the eleventh to the end of the sixteenth century:

NAME.

COUNTY.

Archbold,

Wicklow.

Archer,

Kilkenny.

Audley,

Down.

Aylmer,

Kildare.

Bagott,

Dublin.

Barnewall,

Dublin.

Barnwall, Baron,

Meath.

Barnwall,

Louth.

Barnwall,

Cork.

Barrett, Lord,

Cork.

Barrett,

Mayo.

Barron,

Waterford.

Barry, Baron,

Cork.

Barry, Earl,

Cork.

Barry, Lord,

Cork.

Barry, Oge,

Cork.

Bathe, De,

Meath.

Bellew, Baron,

Meath.

Bellew,

Louth.

Betagh,

Meath.

Birmingham, Baron,

Galway.

Birmingham, Baron,

Kildare.

Birmingham, De,

Louth.

Bisset,

Antrim.

Blake, Baron,

Galway.

Bodkin,

Galway.

Bourke, MacWilliam, Lord,

Mayo.

Browne, Baron,

Galway.

Browne, Baron,

Mayo.

Browne,

Mayo.

Browne,

Limerick.

Browne,

Wexford.

Burgh, De, Earl,

Galway.

Burgo, De, Earl,

Antrim.

Burgo, De, Earl,

Down.

Burgo, De, Lord,

Tipperary.

Burgo, De, Viscount,

Galway.

Burke, Baron,

Limerick.

Burke, Baron,

Galway.

Burke, Earl,

Tipperary.

Burke, Earl,

Galway.

Burke, MacDavid,

Galway.

Burke, Earl,

Galway.

Burke,

Tipperary

Burke,

Sligo.

Burke,

Kildare.

Burke, Lord,

Tipperary.

Burke, Viscount,

Galway.

Burnell,

Dublin.

Butler, Baron,

Meath.

Butler, Baron,

Carlow.

Butler, Baron,

Wicklow.

Butler, Baron,

Tipperary.

Butler,

Queen’s County.

Butler,

Wexford.

Butler,

Waterford.

Butler,

Tipperary.

Butler, Earl,

Galway.

Butler, Viscount,

Wexford.

Butler, Viscount,

Kilkenny.

Cantwell,

Tipperary.

Cantwell,

Kilkenny.

Capel De,

Cork.

Carew, Baron,

Carlow.

Carew De,

Cork.

Cheevers,

Wicklow.

Chevers,

Carlow.

Chevers,

Meath.

Clare, De, Earl,

Kilkenny.

Clare, De,

Clare.

Clinton,

Louth.

Cogan, De,

Cork.

Cogan, De, Lord,

Cork.

Coke,

Carlow.

Colclough,

Wexford.

Comerford,

Wexford.

Comerford,

Kilkenny.

Comerford,

Waterford.

Condon, Baron,

Cork.

Conroy,

Roscommon.

Copeland,

Down.

Coppinger,

Cork.

Courcy, De, Earl,

Antrim.

Courcy, De, Earl,

Down.

Courcy, De,

Dublin.

Courcy, De, Earl,

Cork.

Creagh,

Clare.

Cruise,

Meath.

Cruise,

Dublin.

Cusack (O’Cisoghe),

Meath.

Cusack do.,

Clare.

Cusack do.,

Mayo.

Dalton, Baron,

Meath.

Dalton,

Waterford.

Darcy,

Meath.

Darcy,

Galway.

Dardis,

Meath.

Deane,

Galway.

Dease,

West Meath.

Delahoyde,

Dublin.

Delahoyde,

Kildare.

Devereux, Earl,

Monaghan.

Devereux,

Wexford.

Dillon, Baron,

Galway.

Dillon, Baron,

West Meath.

Dillon, Earl,

Roscommon.

Dillon,

Meath.

Dowdall,

Meath.

Drake,

Meath.

Esmond,

Wexford.

Eustace,

Carlow.

Fagan,

Dublin.

Fagan,

West Meath.

Fitz-Eustace, Baron,

Meath.

Fitz-Eustace,

Dublin.

Fitz-Eustace, Viscount,

Wicklow.

Fitzgerald, Baron,

Waterford.

Fitzgerald, Duke,

Kildare.

Fitzgerald,

Kildare.

Fitzgerald,

King’s County.

Fitzgerald,

Carlow.

Fitzgerald, Earl,

Queen’s Co.

Fitzgerald, Earl,

Cork.

Fitzgerald, Earl,

Limerick.

Fitzgerald,

Tipperary.

Fitzgerald,

Wexford.

Fitzgerald, Earl,

Kerry,

Fitzgerald, Knight,

Limerick.

Fitzgerald, Knight,

Kerry.

Fitzgerald, Lord,

Limerick.

Fitzgerald, Lord,

Wicklow.

Fitzgerald, Lord,

Cork.

Fitzgerald (or Fitzgibbon), The White Knight,

Cork.

Fitzgerrald, Earl,

Kildare.

Fitzgibbon (or Fitzgerald), The White Knight,

Cork.

Fitzharris,

Wexford.

Fitzharris,

Limerick.

Fitzhenry,

Kildare.

Fitzhenry,

Wexford.

Fitzmaurice, Earl,

Kerry.

Fitzpatrick,

Cavan.

Fitzpatrick (or MacGilpatrick), Prince,

Queen’s Co.

Fitzsimon,

Down.

Fitzsimon,

Cavan.

Fitzsimon,

West Meath.

Fitzsimon,

Dublin.

Fitzsimon,

King’s County.

Fitzstephen,

Wexford.

Fitzwilliam, Lord,

Wicklow.

Fitzwilliam, Viscount,

Dublin.

Fleming,

Mayo.

Fleming,

Cavan.

Fleming,

Louth.

Fleming, Baron,

Meath.

Fleming, Viscount,

Longford.

Ford (or MacConsnava), Chief,

Leitrim.

French,

Wexford.

French,

Galway.

French,

Roscommon.

Furlong,

Wexford.

Furlong,

Wicklow.

Galwey,

Cork.

Geneville, De, Lord,

Meath,

Gernon, De,

Louth.

Gould,

Cork.

Grace,

Queen’s County.

Grace,

Carlow.

Grace,

Tipperary.

Grace, Lord,

Kilkenny.

Gunning,

Limerick.

Harold,

Limerick

Hay,

Wexford.

Hore,

Wexford.

Hughes,

Monaghan.

Hughes,

Wicklow.

Hughes (or MacHugh),

Galway.

Hussey,

Kerry.

Hussey,

King’s Co.

Hussey, Baron,

Meath.

Jordan,

Down.

Joy,

Kerry.

Joyce, Chief,

Galway.

Joyce,

Mayo.

Keating,

Wexford.

Lacey, De,

West Meath.

Lacy, De, Earl,

Down.

Lacy, De, Earl,

Antrim.

Lacy, De,

Meath.

Lacy, De,

West Meath.

Lacy, De,

King’s County.

Lacy, De, Lord,

Limerick.

Laffan,

Wexford.

Lamaré De,

West Meath.

Langan,

Meath.

Lawless,

Mayo.

Laurence, St., Baron,

Dublin.

Lombard,

Carlow.

Lombard,

Waterford.

Lynch,

Galway.

MacAlister,

Antrim.

MacArdell, Chief,

Monaghan.

MacArthur,

Limerick.

MacAuley, Lord,

West Meath.

MacAuliffe, Chief,

Cork.

MacAveely,

Mayo.

MacBrady, Chief,

Cavan.

MacBreen,

Tyrone.

MacBreen, Chief.

Kilkenny.

MacBrennan, Chief,

Roscommon.

MacBride,

Donegal.

Mac-I-Brien, Lord,

Tipperary.

MacBrodin,

Clare.

MacCabe, Chief,

Monaghan.

MacCabe, Chief,

Cavan.

MacCaffrey,

Fermanagh.

MacCaghwell, Lord,

Tyrone.

MacCann,

Louth.

MacCann, Lord,

Armagh.

MacCartan, Lord,

Down.

MacCarthy, King,

Cork.

MacCarthy, King,

Tipperary.

MacCarthy, Lord,

Kerry.

MacCarthy, Prince,

Cork.

MacCarthy More, Prince,

Kerry.

MacCarthy Reagh, Prince

Cork.

MacCashin,

Queen’s County.

MacClancy, Lord,

Leitrim.

MacClancy (Brehon),

Kerry.

MacClancy, Chief,

Cork.

MacClancy,

Clare.

MacClean,

Donegal.

MacClean,

Antrim.

MacCloskey,

Donegal.

MacCloskey, Chief,

Londonderry.

MacCogan,

Queen’s County.

MacCoggan,

Tipperary.

MacCoghlan, Lord,

Queen’s Co.

MacColreavy,

Queen’s Co.

MacConmel,

Tyrone.

MacConnell,

Tyrone.

MacConnell,

Londonderry.

MacConry, Chief,

Galway.

MacConsnava (or Ford), Chief,

Leitrim.

MacConway,

Longford.

MacConway,

Sligo.

MacCormac,

Tipperary.

MacCormac, Lord,

Longford.

MacCoskley,

Tyrone.

MacCostello,

Mayo.

MacCourt,

Tyrone.

MacCourty,

Leitrim.

MacCracken,

Londonderry.

MacCrehan,

Kerry.

MacCrossan,

Tyrone.

MacCrossan,

Donegal.

MacDavett,

Mayo.

MacDavett,

Donegal.

MacDermott, Prince,

Roscommon.

MacDermott, Prince,

Sligo.

MacDonnell, Chief,

Clare.

MacDonnell,

Londonderry.

MacDonnell, Chief,

Fermanagh.

MacDonnell, Chief,

Monaghan.

MacDonnell, Chief,

Queen’s Co.

MacDonnell,

Kildare.

MacDonnell, Earl,

Antrim.

MacDonnell, Earl,

Antrim.

MacDonogh, Lord,

Sligo.

MacDonough, Lord,

Cork.

MacDorchy,

Leitrim.

MacDougall,

Antrim.

MacDowell,

Roscommon.

MacDuvan, Chief,

Donegal.

MacEgan (Brehon),

Kerry.

MacEgan (Brehon),

Tipperary.

MacEgan (Brehon),

Galway.

MacElligot,

Kerry.

MacEneiry, Lord,

Limerick.

MacEnteggart,

Fermanagh.

MacEvoy,

Armagh.

MacEvoy, Chief,

Queen’s Co.

MacEvoy, Lord,

West Meath.

MacFergus,

Leitrim.

MacFineen, Chief,

Kerry.

MacFinnevar,

Leitrim.

MacFirbis,

Sligo.

MacGafney,

Cavan.

MacGargan,

Cavan.

MacGarrahan,

Fermanagh.

MacGarry,

Mayo.

MacGauran, Lord,

Cavan.

MacGavan,

Longford.

MacGavan,

Mayo.

MacGennis, Prince,

Down.

MacGeoghegan, Lord,

West Meath.

MacGeoghegan, Prince,

West Meath.

MacGeraghty,

Sligo.

MacGereaghty,

Mayo.

MacGettigan,

Donegal.

MacGibbon,

Mayo.

MacGilbride,

Donegal.

MacGilchrist,

Longford.

MacGildauff,

Galway.

MacGilfinnen, Lord,

Fermanagh.

MacGilfoyle,

Tipperary.

MacGillicuddy of the Reeks, Chief,

Kerry.

MacGilligan,

Londonderry.

MacGilligan, Chief,

Longford.

MacGillikelly,

Galway.

MacGilmartin,

Leitrim.

MacGilmichael, Chief,

Monaghan.

MacGilmore,

Down.

MacGilpatrick (or Fitzpatrick), Prince,

Queen’s Co.

MacGilpatrick,

Kilkenny.

MacGilroy,

Monaghan.

MacGinty,

Donegal.

MacGiollamocholmoge, Lord,

Dublin.

MacGloin,

Leitrim.

MacGolrick,

Tyrone.

MacGorigal,

Donegal.

MacGorman, Chief,

Carlow.

MacGowan (or Smith), Chief,

Cavan.

MacGowan,

Leitrim.

MacGowan,

Donegal.

MacGowan,

Down.

MacGrane,

Meath.

MacGreal,

Mayo.

MacGuire, Prince,

Fermanagh.

MacGulshenan,

Fermanagh.

MacHale (or MacCail)

Mayo.

MacHugh, Chief,

Galway.

MacHugh (or Hughes),

Galway.

MacHugh,

Donegal.

MacHugh,

Cavan.

MacHugh,

Longford.

MacIntire,

Donegal.

Mac-Inytre, Chief,

Tyrone.

MacJordan, de Exeter, Lord

Mayo.

MacKenna,

Kerry.

MacKenna, Lord,

Monaghan.

MacKenny,

Leitrim.

MacKenny,

Louth.

MacKeogh,

Wexford.

MacKeogh, Chief,

Roscommon.

MacKeon,

Leitrim.

MacKiernan, Lord,

Cavan.

MacLennon,

Fermanagh.

MacLeonard, Lord,

Fermanagh.

MacLoghlin, Prince,

Donegal.

MacLoughlin,

Londonderry.

MacLysaght,

Clare.

MacMahon, Lord,

Clare.

MacMahon, Lord,

Monaghan.

MacMahon, Prince,

Monaghan.

MacManus,

Fermanagh.

MacManus,

Roscommon.

MacMorrough,

Carlow.

MacMurrough, King,

Wexford.

MacMurrough, Prince,

Wicklow.

MacNally,

Antrim.

MacNally,

Mayo.

MacNamara, Prince,

Clare.

MacNamee,

Londonderry.

MacNeney,

Monaghan.

MacNevin,

Galway.

MacNulty,

Donegal.

MacNulty,

Cavan.

MacNulty,

Mayo.

MacOiraghty, Lord,

Roscommon.

MacOscar, Chief,

Monaghan.

MacOwen,

Tyrone.

MacPartlan,

Leitrim.

MacPhillips,

Mayo.

MacQuade,

Monaghan.

MacQuillan, Lord,

Antrim.

MacRannall (or Reynolds),

Leitrim.

MacRannall, Lord,

Leitrim.

MacRory, Chief,

Tyrone.

MacRory, Chief,

Down.

MacRuarc,

West Meath.

MacShane, Chief,

Tyrone.

MacShanley, Chief,

Leitrim.

MacSheehy,

Limerick.

MacSheehy, Chief,

Kerry.

MacSheehy, Chief,

Cork.

MacSherry,

Cork.

MacSmith, Chief,

Cavan.

MacSweeney, Chief,

Cork.

MacSweeny, Chief,

Kerry,

MacSweeny, Lord,

Donegal.

MacTaggart,

Tyrone.

MacTeige,

Donegal.

MacTeigue,

Carlow.

MacTeigue,

Leitrim.

MacTiernan,

Fermanagh.

MacTiernan, Lord,

Cavan.

MacTully,

Fermanagh.

MacTully, Chief,

Cavan.

MacTully,

Galway.

MacWard,

Donegal.

MacWard,

Galway.

Maginn,

Londonderry.

Magrath,

Waterford.

Magrath,

Kerry.

Magrath,

Clare.

Magrath,

Tipperary.

Magrath,

Fermanagh.

Maguirk,

Tyrone.

Mandeville,

Down.

Mareschal, Le, Earl,

Wexford.

Mareschal, Le, Earl,

Wexford.

Mareschal, Le, Earl,

Kilkenny.

Martell,

Down.

Martin,

Galway.

Marward, Baron,

Meath.

Masterson,

Wexford.

Masterson,

Cavan.

Meyler,

Wexford.

Missett, Baron,

Meath.

Mockler,

Tipperary.

Montmorency, De,

Wexford.

Montmorency, De,

Kilkenny.

Morgan,

Wexford.

Morris,

Waterford.

Morris,

Tipperary.

Morris,

Galway,

Mortimer, Lord,

Queen’s County.

Mortimer, De, Lord,

Meath.

Nagle,

Cork.

Nangle, Baron,

Meath.

Nangle,

Mayo.

Netterville, Baron,

Meath.

Norton (or O’Naghten), Chief,

Galway.

Nugent, Baron,

Meath.

Nugent,

West Meath.

O’Ahern,

Cork.

O’Baire, Chief,

Waterford.

O’Bannan, Chief,

King’s County.

O’Bannan, Chief,

Mayo.

O’Begley,

Donegal.

O’Begley,

Waterford.

O’Behan, Chief,

King’s County.

O’Beirne, Chief,

Roscommon.

O’Bergin,

King’s County.

O’Billry,

Limerick.

O’Birn,

Mayo.

O’Bligh,

Mayo.

O’Bolger,

Carlow.

O’Bolger,

Kilkenny.

O’Boylan, Chief,

Monaghan.

O’Boyle, Lord,

Donegal.

O’Bradley,

Cork.

O’Branagan,

Louth.

O’Bree,

Kilkenny.

O’Brennan,

Kerry.

O’Brennan, Lord,

Kilkenny.

O’Breslin, Chief,

Donegal.

O’Breslin (Brehon),

Fermanagh.

O’Breslin, Chief,

Tipperary.

O’Bric, Lord,

Waterford.

O’Brien, Baron,

Clare.

O’Brien, Chief,

Cork.

O’Brien, Chief,

Waterford.

O’Brien, King, Prince and Earl,

Clare.

O’Brien, King,

Tipperary.

O’Brien, Lord,

Galway.

O’Brien, Lord,

Tipperary.

O’Brien, Lord,

Limerick.

O’Brien, Prince,

Limerick.

O’Brigan,

Cork.

O’Brodar, Chief,

Donegal.

O’Brodar, Lord,

Kilkenny.

O’Brody,

Mayo.

O’Brogan,

Cavan.

O’Brogan,

Sligo.

O’Brogan,

Mayo.

O’Brogan,

Queen’s County.

O’Brolchan, Chief,

Londonderry.

O’Brosnaghan,

Kerry.

O’Byrne, Lord,

Wicklow.

O’Cahaney, Chief,

Mayo.

O’Cahill, Chief,

Carlow.

O’Cahill, Chief,

Tipperary.

O’Cahill,

Kerry.

O’Cahill,

Galway.

O’Callaghan,

Clare.

O’Callaghan, Lord,

Cork.

O’Callaghan, Chief,

Mayo.

O’Callaghan, King,

Tipperary.

O’Callaghan, Viscount,

Tipperary.

O’Callan,

Kilkenny.

O’Callan,

Armagh.

O’Callanan,

Cork.

O’Callanan,

Galway.

O’Canavan,

Galway.

O’Cannanan, Prince,

Donegal.

O’Carbery, Chief,

West Meath.

O’Carey, Lord,

Kildare.

O’Carmody,

Clare.

O’Carolan,Chief,

Londonderry.

O’Carolan,

Meath.

O’Carroll, Prince,

Tipperary.

O’Carroll, Chief,

Leitrim,

O’Carroll, Prince,

Kilkenny.

O’Carroll, Prince, Kii

King’s County.

O’Carroll, Prince,

Tipperary.

O’Carroll, Lord,

Kerry.

O’Carroll, Prince,

Louth.

O’Carragher,

Louth.

O’Casey,

Cork.

O’Casey,

Limerick.

O’Casey,

Fermanagh.

O’Casey,

West Meath.

O’Casey,

Kerry.

O’Cashin,

Galway.

O’Cassidy,

Londonderry.

O’Cassidy,

Monaghan.

O’Cassidy, Chief,

Fermanagh.

O’Cavanagh, Lord,

Carlow.

O’Cavanagh, Lord,

Wexford.

O’Cawley, Chief,

Galway.

O’Claisin,

Cork.

O’Clerkin,

Limerick.

O’Clery,

Cavan.

O’Clery, Chief,

Donegal.

O’Clery, Lord,

Galway.

O’Coffey, Chief,

West Meath.

O’Coffey,

Galway.

O’Coigley,

Fermanagh.

O’Coigley (or Quigley),

Donegal.

O’Coleman,

Sligo.

O’Coleman,

Louth.

O’Coleman,

Cork.

O’Colgan, Chief,

Kildare.

O’Colgan,

Down.

O’Colgan,

Armagh.

O’Colman, Chief,

Louth.

O’Coltaran,

Down.

O’Conaghty,

Sligo.

O’Conaghty,

Cavan.

O’Concannon,

Roscommon.

O’Conealy,

Galway.

O’Conlan,

Limerick.

O’Connegan,

Mayo.

O’Connelan, Chief,

Tyrone.

O’Connelan, Chief,

Roscommon.

O’Connell,

Clare.

O’Connell, Chief,

Kerry.

O’Connell, Chief,

Galway.

O’Connell, Lord,

Limerick.

O’Connell,

Down.

O’Connellan,

Mayo.

O’Connolly, Chief,

Monaghan.

O’Connolly,

Galway.

O’Connor, Prince,

Kildare.

O’Connor, King,

Roscommon.

O’Connolly, Lord,

Meath.

O’Conor, Prince,

King’s County.

O’Conor, King,

Mayo.

O’Conor, Chief,

Galway.

O’Conor, Prince,

Galway.

O’Conor,

Mayo.

O’Conor, Lord,

Kerry.

O’Conor, Lord,

Londonderry.

O’Conor, Prince,

Kerry.

O’Conor, Lord,

Clare.

O’Conor, Lord,

Sligo.

O’Conor,

Roscommon.

O’Conor Don,

Roscommon.

O’Conor Roe,

Roscommon.

O’Conran, Chief,

Waterford.

O’Considine,

Clare.

O’Cooney,

Tyrone.

O’Corcoran, Chief,

Tipperary.

O’Corcoran,

Fermanagh.

O’Cormac,

Down.

O’Corr,

Roscommon.

O’Corran,

Tyrone.

O’Corrigan,

West Meath.

O’Corrigan,

Fermanagh.

O’Cosgry, Chief,

Wexford.

O’Cowley, Chief,

Cork.

O’Coyle,

Cavan.

O’Coyle,

Donegal.

O’Creagh,

Cork.

O’Creagh,

Clare.

O’Creagh,

Kerry.

O’Crean, Chief,

Sligo.

O’Criocan, Chief,

Tyrone.

O’Criodan,

Londonderry.

O’Cronin,

Kerry.

O’Crossan,

Tyrone.

O’Crotty, Chief,

Waterford.

O’Crowley, Chief,

Cork.

O’Crowly,

Cork.

O’Cuirc,

Tipperary.

O’Cuirneen,

Leitrim.

O’Cullen,

Tipperary.

O’Cullen, Chief,

Limerick.

O’Cullen,

Galway.

O’Cullen, Chief,

Wicklow.

O’Cullen,

Kildare.

O’Cullen,

Cork.

O’Cullenan, Chief,

Tipperary.

O’Cullenan, Chief,

Cork.

O’Cullenan,

Clare.

O’Culligan,

Clare.

O’Cummin,

Mayo.

O’Corran,

Clare.

O’Curran,

Donegal.

O’Curry,

Cavan.

O’Curry,

West Meath.

O’Curry,

Cork.

O’Daly, Baron,

Galway.

O’Daly,

Cork.

O’Daly, Lord,

West Meath.

O’Daly,

Kerry.

O’Daly,

Clare.

O’Daly,

Cavan.

O’Danaher,

Cork.

O’Davoren,

Clare.

O’Dea, Chief,

Cork.

O’Dea, Lord,

Tipperary.

O’Dea, Chief,

Clare.

O’Deasy,

Cork.

O’Deasy,

Cork.

O’Deegan,

Clare.

O’Delany, Chief,

Kilkenny.

O’Delany,

Kerry.

O’Dempsey, Lord,

Queen’s County.

O’Dempsey,

Kildare.

O’Dempsey, Viscount and Baron,

King’s County.

O’Dennehy,

Waterford.

O’Dennery,

Cork.

O’Dermody,

Tipperary.

O’Dermody,

Clare.

O’Devin, Lord,

Fermanagh.

O’Devir,

Donegal.

O’Devlin,

Sligo.

O’Devlin, Chief,

Londonderry.

O’Dinane,

Cork.

O’Dinan,

Tipperary.

O’Dineen,

Cork.

O’Dinerty,

Tipperary.

O’Dinnahan, Chief,

Limerick.

O’Dogherty, Lord,

Donegal.

O’Dogherty,

Mayo.

O’Dolan,

Cavan.

O’Dolan,

Mayo.

O’Donnelly, Chief,

Donegal.

O’Donevan,

Limerick.

O’Donlevy,

Tyrone.

O’Donlevy,

Donegal.

O’Donlevy, Prince,

Down.

O’Donnegan,

Fermanagh.

O’Donnegan, Chief,

Tyrone.

O’Donnegan,

Armagh.

O’Donnegan, Prince,

Tipperary.

O’Donnellan, Lord,

Galway.

O’Donnelan, Lord,

Antrim.

O’Donnelan,

Roscommon.

O’Donnell, Prince,

Sligo.

O’Donnell,

Mayo.

O’Donnell,

Galway.

O’Donnell, Prince,

Donegal.

O’Donnelly, Chief,

Tyrone.

O’Donnelly, Chief,

Tipperary.

O’Donoghoe,

Kerry.

O’Donoghoe Mór, Prince

Kerry.

O’Donoghoe, Prince,

Kilkenny.

O’Donohoe, Prince,

Tipperary.

O’Donovan, Lord,

Limerick.

O’Donovan, Lord,

Cork.

O’Donovan,

Cork.

O’Dooley, Chief,

West Meath.

O’Doolin,

Kerry.

O’Dooyarma, Lord,

Donegal.

O’Doran (Brehon),

Wexford.

O’Doran, Chief,

Carlow.

O’Dornin,

Donegal.

O’Dorrian,

Donegal.

O’Dowd, Prince,

Sligo.

O’Dowd, Prince,

Mayo.

O’Dowling, Chief,

Queen’s County.

O’Dowling, Chief,

Wicklow.

O’Doyle,

Galway.

O’Doyle,

Kilkenny.

O’Doyle,

Wexford.

O’Doyle, Chief,

Wicklow.

O’Doyle,

Carlow.

O’Doyne,

Carlow.

O’Dreenan,

Galway.

O’Drinan,

Clare.

O’Driscoll, Lord,

Cork.

O’Duane,

Galway.

O’Duff, Chief,

Queen’s County.

O’Duffy,

Donegal.

O’Duffy,

Galway.

O’Duffy, Chief,

Monaghan.

O’Duffy,

Mayo.

O’Dugan, Chief,

Wexford.

O’Dugan,

Roscommon.

O’Dugan, Chief,

Cork.

O’Dugan,

Mayo.

O’Duigenan,

Roscommon.

O’Dunn, Chief,

Kildare.

O’Dunn, Lord,

Meath.

O’Dunn, Lord,

Queen’s County.

O’Dunnady,

Kerry.

O’Durkan,

Sligo.

O’Duvan, Chief,

Meath.

O’Duvany, Chief,

Tyrone.

O’Duvany, Chief,

Armagh.

O’Dwyer, Lord,

Tipperary.

O’Early,

Donegal.

O’Eirc,

Antrim.

O’Etigan, Chief,

Tyrone.

O’Fahy,

Galway.

O’Fallon,

Roscommon.

O’Falvey,

Cork.

O’Falvey, Lord,

Kerry.

O’Farrelly, Chief,

Cavan.

O’Fay,

West Meath.

O’Feenaghty,

Kerry.

O’Feenaghty, Lord,

Roscommon.

O’Feeney,

Galway.

O’Feeney,

Sligo.

O’Felan,

Fermanagh.

O’Felan, Prince,

Waterford.

O’Ferral, Prince,

Longford.

O’Fihelly,

Cork.

O’Fihelly,

Roscommon.

O’Finan,

Mayo.

O’Finegan,

Mayo.

O’Finegan,

Sligo.

O’Finnelan, Lord,

Meath.

O’Finn,

Leitrim.

O’Flahavan,

Waterford.

O’Flaherty, Lord,

Galway.

O’Flanagan, Lord,

Fermanagh.

O’Flannagan,

Waterford.

O’Flannagan, Lord,

Roscommon.

O’Flannelly, Lord,

Sligo.

O’Flannery,

Limerick.

O’Flannery,

Mayo.

O’Flattery,

Clare.

O’Florry,

Down.

O’Flynn, Lord,

Antrim.

O’Flynn, Chief,

Cork.

O’Flynn, Lord,

Roscommon.

O’Flynn,

Cork.

O’Flynn,

Kerry.

O’Flynn,

Mayo.

O’Fogarty,

Tipperary.

O’Foley,

Kerry.

O’Forranan, Chief,

Donegal.

O’Fox,

Meath.

O’Fox,

West Meath.

O’Fox, Chief,

Longford.

O’Freel,

Donegal.

O’Freel, Chief,

Londonderry.

O’Furey,

Tipperary.

O’Furry,

Antrim.

O’Fynn,

Clare.

O’Gaban, Lord,

Wicklow.

O’Gallaher, Chief,

Donegal.

O’Gallivan,

Kerry.

O’Gara, Lord,

Sligo.

O’Garvey, Chief,

Down.

O’Garvey, Chief,

Armagh.

O’Garvey, Chief,

Wexford.

O’Gavagan,

Sligo.

O’Gavagan,

Mayo.

O’Gearan,

Galway.

O’Geary,

Waterford.

O’Gevany,

Galway.

O’Gleeson,

Tipperary.

O’Glennon,

Roscommon.

O’Gloran, Chief,

Kilkenny.

O’Gogarty,

Meath.

O’Gorman, Chief,

Clare.

O’Gorman,

Carlow.

O’Gorman,

Fermanagh.

O’Gormley, Chief,

Donegal.

O’Gormly,

Mayo.

O’Gormoge, Chief,

Mayo.

O’Grady, Lord,

Clare.

O’Grady,

Kerry.

O’Grady, Viscount,

Limerick.

O’Grady,

Mayo.

O’Griffin,

Cork.

O’Griffin,

Clare.

O’Hagan, Chief,

Tyrone.

O’Hagarty,

Kerry.

O’Hagarty, Chief,

Londonderry.

O’Hagerty,

Donegal.

O’Halahan,

Cork.

O’Halligan,

Meath.

O’Hallinan, Chief,

Limerick.

O’Halloran,

Clare.

O’Halloran, Chief,

Galway.

O’Hamill,

Antrim.

O’Hamill, Chief,

Tyrone.

O’Hanley, Chief,

Roscommon.

O’Hanlon, Lord,

Armagh.

O’Hanrahan,

West Meath.

O’Hanratty, Chief,

Armagh.

O’Hanvey, Chief,

West Meath.

O’Hanvey,

Down.

O’Hara, Baron,

Mayo.

O’Hara, Lord,

Mayo.

O’Hara,

Antrim.

O’Hara, Lord,

Sligo.

O’Harkan,

Donegal.

O’Harney, Chief,

Kerry.

O’Hart, Chief,

Sligo.

O’Hart, Prince,

Meath.

O’Hartigan,

Cork.

O’Hartigan,

Limerick.

O’Harty,

Queen’s County.

O’Haverty, Chief,

Galway.

O’Hea, Chief,

Limerick.

O’Hea, Chief,

Meath.

O’Hea, Chief,

Cork.

O’Healy,

Kerry.

O’Healy,

Cork.

O’Heaney, Chief,

Fermanagh.

O’Heffernan,

Tipperary.

O’Heffernan,

Clare.

O’Hehir, Chief,

Clare.

O’Heir, Chief,

Armagh.

O’Hely,

Limerick.

O’Hely,

Kilkenny.

O’Henneesey, Chief,

King’s County.

O’Hennessy, Chief,

West Meath.

O’Hennigan,

Cork.

O’Heoghy, Chief,

Down.

O’Herlihy,

Cork.

O’Heyne, Prince,

Galway.

O’Heyne,

Cork.

O’Hickey, Chief,

Tipperary.

O’Hickey,

Clare.

O’Higgin,

Mayo.

O’Higgin, Chief,

West Meath.

O’Higgin,

Longford.

O’Hoey,

Monaghan.

O’Hoey, Chief,

Down.

O’Hogan, Chief,

Tipperary.

O’Hogan,

Clare.

O’Honan,

Limerick.

O’Honeen,

Clare.

O’Hoollaghan, Chief,

Galway.

O’Hoollaghan,

King’s County.

O’Hoollaghan,

Cork.

O’Horan, Chief,

Galway.

O’Horan,

Wicklow.

O’Horgan,

Cork.

O’Hosey,

Tyrone.

O’Hosey,

Fermanagh.

O’Howley,

Sligo.

O’Howley, Chief,

Clare.

O’Hugh,

Donegal.

O’Hurley,

Tipperary.

O’Hurley,

Cork.

O’Hurley,

Limerick.

O’Hynes,

Galway.

O’Kane, Prince,

Londonderry.

O’Kane, Lord,

Antrim.

O’Kean,

Galway.

O’Kean, Chief,

Tipperary.

O’Kearney,

Tipperary.

O’Kearney, Chief,

Clare.

O’Kearney, Chief,

West Meath.

O’Kearny,

Mayo.

O’Kearny,

Cork.

O’Keefe, Lord,

Cork.

O’Keeley,

Clare.

O’Keeley,

Kilkenny.

O’Keely,

Tipperary.

O’Keenan, Chief,

Fermanagh.

O’Keenan,

Londonderry.

O’Keerin,

Mayo.

O’Keevan,

Sligo.

O’Keevan,

Antrim.

O’Keiran, Chief,

Armagh.

O’Kelleher,

Tipperary.

O’Kelleher,

Cork.

O’Kelleher,

Kerry.

O’Kelly, Prince,

Galway.

O’Kelly, Prince,

Roscommon.

O’Kelly, Prince,

Meath.

O’Kelly, Prince,

Dublin.

O’Kelly, Lord,

Kildare.

O’Kelly, Chief,

Wicklow.

O’Kelly, Chief,

Queen’s County.

O’Kelly, Chief,

Down.

O’Kelly, Chief,

Tyrone.

O’Kelly, Chief,

Louth.

O’Kennedy,

Kerry.

O’Kennedy, Lord,

Tipperary.

O’Kenny, Chief,

Donegal.

O’Kernaghan, Chief,

Sligo.

O’Kernaghan,

Donegal.

O’Kerrigan,

Mayo.

O’Keveny,

Kilkenny.

O’Killeen,

Mayo.

O’Kindellan, Prince,

Meath.

O’Kinealy, Chief,

Limerick.

O’Kinsellagh,

Carlow.

O’Kirwan,

Galway.

O’Kirwick,

Limerick.

O’Lanigan, Chief,

Tipperary.

O’Largnan,

Down.

O’Larkin,

Galway.

O’Larkin, Lord,

Wexford.

O’Larkin, Chief,

Armagh.

O’Larrissey,

Mayo.

O’Lavell,

Mayo.

O’Laverty,

Donegal.

O’Laverty, Lord,

Tyrone.

O’Lawlor, Chief,

Queen’s Co.

O’Lawlor,

Down.

O’Lawry, Chief,

Down.

O’Leahan,

Galway.

O’Leahy,

Kerry.

O’Leaney, Chief,

Donegal.

O’Leary, Lord,

Cork.

O’Lee,

Galway.

O’Lehan (or Lyons), Lord,

Cork.

O’Lenahan, Chief,

Tipperary.

O’Lennon,

Mayo.

O’Lennon,

Galway.

O’Leyne,

Kerry.

O’Liddy,

Clare.

O’Loan,

Tyrone.

O’Loghlin,

Clare.

O’Loghnan,

Mayo,

O’Loman,

Roscommon.

O’Loman,

Galway.

O’Lomasey,

Cork.

O’Lonergan, Chief,

Tipperary.

O’Longan,

Down.

O’Looney,

Cork.

O’Loughnan,

Mayo.

O’Loughnan,

Down.

O’Loughnan,

Kilkenny.

O’Luinin,

Fermanagh.

O’Lunney, Chief,

Tyrone.

O’Lynch,

Cavan.

O’Lynch,

Clare.

O’Lynch,

Tipperary.

O’Lynch,

Cork.

O’Lynch,

Down.

O’Lynchy,

Donegal.

O’Macken,

Down.

O’Mackesey,

Limerick.

O’Mackey,

Tipperary.

O’Madden, Lord,

Galway.

O’Madden, Chief,

King’s Co.

O’Maginn,

Galway.

O’Mahon,

Down.

O’Mahony, Lord,

Cork.

O’Mahony, Chief,

Kerry.

O’Malbride,

Roscommon.

O’Malley, Lord,

Mayo.

O’Malone,

West Meath.

O’Malquiney,

Tipperary.

O’Manning, Chief,

Galway.

O’Maol Conry, Chief,

Roscommon.

O’Markey,

Louth.

O’Marron,

Armagh.

O’Marron,

Monaghan.

O’Meagher, Lord,

Tipperary.

O’Meaney,

Roscommon.

O’Meara, Chief,

Tipperary.

O’Meehan, Chief,

Leitrim.

O’Meehan,

Tipperary.

O’Meehan,

Fermanagh.

O’Meehan,

Sligo.

O’Melaghlin, King,

Meath.

O’Melaghlin, Prince,

West Meath.

O’Mellan, Chief,

Tyrone.

O’Milford,

Mayo.

O’Moghan,

Mayo.

O’Molloy, Prince,

King’s Co.

O’Moloney, Chief,

Clare.

O’Monahan, Chief,

Roscommon.

O’Mongan,

Sligo.

O’Mooney, Chief,

Queen’s Co.

O’Mooney, Chief,

King’s Co.

O’Moore, Chief,

Down.

O’Moore, Prince,

Queen’s Co.

O’Moore, Lord,

Carlow.

O’Moore,

Kerry.

O’Moran,

Roscommon.

O’Moran,

Mayo.

O’Moran,

Galway.

O’Moran,

Down.

O’Moran,

Sligo.

O’Moriarty, Chief,

Kerry.

O’Morony,

Cork.

O’Morony, Chief,

Clare.

O’Morony, Chief,

Limerick.

O’Morrissey,

Tipperary.

O’Morrissey,

Sligo.

O’Morrison,

Sligo.

O’Morrison,

Donegal.

O’Moynagh,

Sligo.

O’Mulcahy, Chief,

Tipperary.

O’Mulcahy,

Limerick.

O’Mulclohy, Lord,

Sligo.

O’Muldoon, Chief,

Fermanagh.

O’Muldorry, Prince,

Donegal.

O’Mulfinny,

Longford.

O’Mulgee,

Donegal.

O’Mulholland,

Antrim.

O’Mullally, Lord,

Galway.

O’Mullane,

Waterford.

O’Mullane, Chief,

Kerry.

O’Mullany,

Sligo.

O’Mullany,

Waterford.

O’Mullarky,

Galway.

O’Mulleady,

West Meath.

O’Mulleeny,

Mayo.

O’Mullen, Chief,

Londonderry.

O’Mulligan,

Cavan.

O’Mulligan,

Londonderry.

O’Mullins,

Clare.

O’Molloy,

Roscommon.

O’Mulmoghery,

Donegal.

O’Mulrenin,

Mayo.

O’Mulrenin, Chief,

Roscommon.

O’Mulrooney,

Galway.

O’Mulrooney,

Fermanagh.

O’Mulroy,

Mayo.

O’Mulvany,

Sligo.

O’Mulvany,

King’s County.

O’Mulvany,

Donegal.

O’Mulvey, Chief,

Leitrim.

O’Mulvihil,

Roscommon.

O’Muready, Chief,

King’s Co.

O’Murphy, Lord,

Wexford.

O’Murphy,

Cork.

O’Murray, Lord,

Mayo.

O’Murray,

Cavan.

O’Murray,

Donegal.

O’Murray, Chief,

Londonderry.

O’Murrigan, Prince,

Kildare.

O’Murtagh,

Meath.

O’Naghten (or Norton), Chief,

Galway.

O’Neil (or Nihel),

Clare.

O’Neill, Prince,

Donegal.

O’Neill, Lord,

Antrim.

O’Neill, Lord,

Down.

O’Neill, Lord,

Armagh.

O’Neill, King, Prince,and Earl,

Tyrone.

O’Neney, Chief,

Tyrone.

O’Neny,

Monaghan.

O’Neylan, Chief,

Armagh.

O’Neylan,

Clare.

O’Nolan, Lord,

Carlow.

O’Noonan, Chief,

Cork.

O’Norton, Chief,

Boscommon.

O’Quigly,

Londonderry.

O’Quill,

Kerry.

O’Quinlan,

Tipperary.

O’Quinlan,

Kerry.

O’Quinlevan,

Clare.

O’Quinlevan, Chief,

Tipperary.

O’Quinn, Chief,

Donegal.

O’Quinn, Lord,

Londonderry.

O’Quinn, Chief,

Tyrone.

O’Quinn, Lord,

Longford.

O’Quinn, Lord,

limerick.

O’Quinn, Lord,

Clare.

O’Quinn,

Mayo.

O’Rafferty,

Donegal.

O’Rafferty,

Tyrone.

O’Regan, Chief,

Queen’s County.

O’Regan, Prince,

Meath.

O’Regan,

Cork.

O’Reilly, Prince,

Cavan.

O’Reilly, Chief,

Meath.

O’Reilly,

West Meath.

O’Reilly,

Longford.

O’Riordan, Chief,

Cork.

O’Rodaghan, Chief,

Leitrim.

O’Roddan,

Mayo.

O’Roddy,

Donegal.

O’Rody,

Donegal.

O’Rogan,

Down.

O’Ronan,

Longford.

O’Ronan,

Mayo.

O’Ronayne,

Cork.

O’Rooney,

Down.

O’Rory, Prince,

Meath.

O’Rothlan,

Mayo.

O’Rourke, Prince,

Leitrim.

O’Ryan, Lord,

Carlow.

O’Ryan,

Kilkenny.

O’Ryan,

Limerick.

O’Ryan, Lord,

Tipperary.

O’Scanlan, Chief,

Louth.

O’Scanlan.

Kerry.

O’Scanlan, Chief,

Limerick.

O’Scannell,

Cork.

O’Scullan,

Londonderry.

O’Scully, Baron,

Meath.

O’Scully,

Tipperary.

O’Scurry,

Galway.

O’Sexton,

Tipperary.

O’Shanahan,

Tipperary.

O’Shaughnesy, Lord,

Galway.

O’Shea,

Cork.

O’Shea, Lord,

Kerry.

O’Shea,

Tipperary.

O’Shea or Shee,

Kilkenny.

O’Sheehan,

Kerry.

O’Sheehan, Chief,

Limerick.

O’Sheehan,

Galway.

O’Sheeran,

Donegal.

O’Sheridan,

Cavan.

O’Sheridan,

Longford.

O’Shiel,

Antrim.

O’Shiel, Chief,

West Meath.

O’Sionagh,

West Meath.

O’Slattery,

Kerry.

O’Slattery,

Tipperary.

O’Slevin,

Longford.

O’Spillan,

Tipperary.

O’Spillane,

Sligo.

O’Sullivan,

Galway.

O’Sullivan, Lord,

Tipperary.

O'Sullivan Beare, Prince,

Cork.

O’Sullivan, Prince,

Cork.

O’Sullivan More, Lord,

Kerry.

O’Talcharan,

Mayo.

O’Tarcert, Chief,

Donegal.

O’Teige (or Tighe),

Wicklow.

O’Teigue,

Tyrone.

O’Tierney,

Armagh.

O’Tierney, Lord,

Mayo.

O’Tolarg, Lord,

West Meath.

O’Tomalty,

Tyrone.

O’Toole, Lord,

Kildare.

O’Toole, Prince,

Wicklow.

O’Toole.

Galway.

O’Toole,

Mayo.

O’Tormey,

Galway.

O’Tracey,

Galway.

O’Tracy,

Fermanagh.

O’Traynor,

Meath.

O’Tully.

Fermanagh.

O’Tuohy,

Cork.

O’Tuomey,

Cork.

Peppard,

Louth.

Petit, Baron,

West Meath.

Petit,

Mayo.

Phepoe,

Meath.

Plunket, Baron,

Louth.

Plunkett,

Cavan.

Plunkett, Earl,

Meath.

Plunkett,

Dublin.

Poer, Le,

Down.

Poer, Le, Lord,

Waterford.

Poer, Le (or Power),

Waterford.

Power,

Kilkenny.

Prendergast,

Mayo.

Prendergast, De,

Wexford.

Preston, Viscount,

Dublin.

Purcell,

Kilkenny.

Purcell,

Limerick.

Purcell, Baron,

Tipperary.

Quigley (see O’Coigley).

Redmond,

Wexford.

Renzy, De,

Wexford.

Riddell,

Down.

Roche, Viscount,

Cork.

Roche,

Limerick.

Rossiter,

Wexford.

Roth,

Kilkenny.

Russell,

Down.

Russell,

Limerick.

Sarsfield, Earl,

Dublin.

Sarsfield,

Carlow.

Sarsfield,

Cork.

Sarsfield, Viscount,

Limerick.

Savadge, Lord,

Down.

Segrave,

Dublin.

Sinnott,

Wexford.

Sherlock,

Waterford.

Shortall,

Kilkenny.

Skerret,

Galway.

Skiddy,

Cork.

Smerwick,

Kerry.

Smyth,

Down.

Stack,

Kerry.

Stafford,

Wexford.

Staunton,

Down.

Staunton,

Galway.

Staunton,

Mayo.

Strongbow,

Carlow.

Strongbow, Earl,

Wexford.

Supple,

Cork.

Sutton,

Wexford.

Synott,

Mayo.

Taaffe, Earl,

Louth.

Taaffe, Baron,

Mayo.

Talbot, Baron,

Dublin.

Talbot,

Wicklow.

Talbot, Earl,

Wexford.

Talbot,

Waterford.

Tallon,

Carlow.

Taylor,

Dublin.

Trant,

Kerry.

Troy,

Limerick.

Tuite, Baron,

West Meath.

Tuite,

Longford.

Tyrrell,

West Meath.

Tyrrell, Baron,

Dublin.

Verdon, De,

Louth.

Verdon, De,

West Meath.

Vesey, De, Lord,

Kildare.

Vesey, De, Lord,

Queen’s County.

Wadding,

Waterford.

Wadding,

Wexford.

Wall,

Carlow.

Wall,

Waterford.

Walsh,

Dublin.

Walsh,

Wicklow.

Walsh,

Wexford.

Walsh,

Kilkenny.

Walsh,

Waterford.

Walsh,

Cork.

Walsh,

Kerry.

Walsh,

Tipperary.

Warren,

King’s County.

White,

Down.

White,

Waterford.

White,

Limerick.

White,

Tipperary.

Wogan,

Kildare.

Woulfe,

Limerick.

Wyse,

Waterford.

[1] Families: On Doctor MacDermott’s Map of Ancient Ireland, are marked in some of the counties the word “Danes;” but the names of those Danish families are not thereon mentioned. In Vol. I. of this edition are given the names of the “Ancient Irish Families in Ireland,” up to the 13th century.

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