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Ancient Irish Surnames
AND HISTORY
All materials on this page are used with the kind permission of Pat Traynor.
Revised and adapted from "Irish Pedigrees" by John O'Hart, (Dublin 1892)
Volume 1, pg. 855. Volume 2, pg. 566.
As many of the ancient Irish surnames are not recorded in O'Clery's or in MacFirbis's Genealogies, or in the Linea Antiqua, or in the Betham Genealogical Collections, we have collected from "The Topographical Poems of O'Dugan and O'Heerin,""The Tribes and Customs of Hy-Fiachrach," and other works published by the Celtic and Archeological Societies in Ireland, the following Irish family names, and the modern anglicised forms which they assumed; (Hy-Fiachrach = descendants of Fiachra)
| -The Name- | -Has been modernized as- |
|---|---|
| Clann Fhearghus | Fergus |
| Clan Shane (a Sept of the O'Farrells) | Shaen |
| MacAindris | Andrews, MacAndrew, Anderson |
| MacAnluain | Ganly |
| Mac an Bhainbh | Hogg. Hogge. Banff |
| MacBrehon | Judge |
| MacBlosky | MacCIosky, Closky |
| MacConluain | Conlan, Colwan |
| MacCosby | Foote("cos;"Irish, the foot) |
| MacCale (1) | ..... |
| MacCrossan | Crosby, Crosbie |
| MacCoinin | Cunniam, Cunnion, Canning |
| MacConghaola | Coneely |
| MacCiochain | Keeghan, Keegan, Cockane |
| MacCarrain | Currin, Curran |
| MacConboirne | Bourns |
| MacConcathraigh | MacCarrick |
| MacCionnaith | MacKenna (of the Meath Hy-Niall) |
| MacConleitrech | obsolete |
| MacCarrghanma | Carron, MacCarron, MacCarroon, MacCarhon, Carson |
| MacConin | Kennyon, Canning |
| MacCailleachain | Keelchan, Coward, Keelan, MacCallin |
| MacCuinn | Macken |
| MacEoghain | MacOwen, MacKeon |
| MacFirbis | Firbis, Forbes |
| MacFinnbhair | Maginver, Gaynor |
| MacGilli Bhain | White, Bean, Gilwaine |
| MacGilli-Bhuidh | MacAvee, Kilboy, Gilboy |
| MacGilla Chaise | Kilcash, Cash |
| MacGiolla-Duibh | Gilduff, Kilduff |
| MacGiolla Phoil | MacGilfoyle, Gilfoyle, Paul |
| MacGilla Kenny | Kilkenny |
| MacGilli-Riabhaig | Kilrea, MacIlrea, Gray |
| MacGilla tSamhais | MacIltavish, MacTavish |
| MacGila Sinin | Synan |
| MacGillifin | Gilfin, Gilpin, Gill |
| MacGilimir | Gilmer,Gillmor |
| MacGillimore | Merryman |
| MacGillicuskly | Cuskley |
| MacGiolla | Gill, Magill |
| MacGallogly | Ingoldsby |
| MacGiolla Fhalain | Phelan |
| MacGiolla-Cealaigh | Kilkelly, Killikelly |
| MacGilli Briein | Brickin |
| MacGuiggan | Maguiggan, Goodwin, Godwin |
| MacGunshenan | Magunshinan, Nugent, Leonard |
| MacLaighid | Lye, Leigh |
| MacLave | Hand ("lamh ;" Ir, a hand) |
| MacMurchada (of Ulster) | MacMorrow, MacMarray, Morell |
| MacMahon | Mathews, Fitzursula |
| MacNebo | Victory, Victoria |
| MacNamee | Meath, Mee |
| MacNeill | MacNeil |
| MacOdhrain | Magoran, Orum, Orme |
| MacOscar | Cosgrave, Costello |
| MacPartholain | Bat, Bats, Batson, Bateson |
| MacReachtagain | Rafter |
| MacSimoin | Sims, Simmes, Simpson, Simkins, Simcocks, Simon |
| MacSpeallane | Spenser |
| MacSpallane | Spenser |
| MacTaidhg | MacTague, MacTeig, Montague, Montagu |
| MacTyre, | Wolf, Wolfe |
| MacUaithnin | MacHoneen, Green, Greene, Tonyson, Tennyson |
| MacUlahairg | MacGolderick, Goderich, Golding, Goulding, Waller |
| Maclnogly | Ingoldsby (See "MacGallogly") |
| MagAedha | Magee |
| MagFlannagain | Flannagan |
| MagFhionnain | Gannon, Ginnane |
| MagFhiachra | McKeighry, Keary, Carey |
| MagLannagain | Lanigan |
| MagRodain | Grayden, Roden |
| Magilsinan | Magilsitnan |
| Muintir Ceallaigh | O'Kelly and Kelly, in Londonderry, |
| Muintir Lideadha | O'Liddy and Liddy |
| Muntir Ubain | Hoban |
| Murtagh | Mortimer |
| O'Airmeadhaigh | Armedy, Armidage, Armitage, Armytage |
| O'Aimirgin | Mergin, Bergin |
| O'Aodha, | in the county Mayo is generally anglicised Hughes. (2) |
| O'Banain | Bannan, Bannon |
| O'Baetheghaile | O'Boyle, Beahilly, Beatley, Beale |
| O'Barrain | Barrington |
| O'Banain | Banan |
| O'Bearga | Begar, Biggar, Bera |
| O'Beollain | Boland |
| O'Beirne | Briun |
| O'Birn | Brin, Bruen |
| O'Blighe | Blighe |
| O'Breithe | Broghie, Brophy |
| O'Bruadair | Broder, Broderick, Bradner, Brothers |
| O'Brogain | Brogan |
| O'Breen | O'Brien |
| O'Brislain | Brislane, Breslin |
| O'Breadhdha | Bray (of Imokilly, co Cork) |
| O'Brachain | Brahan |
| O'Broduibh | Brodiff, Brodie, Brody |
| O'Brien | Brine |
| O'Byrne | Leycester, Lester, Lyster, Warren |
| O'Caemhagain | Kevigan |
| O'Cathniadh | Kane |
| O'Cathain | Keane, Kane, Kyan, O'Keane |
| O'Caithniadh | Catny, Kane |
| O'Caolloaidhe | Cayley, Kaely, Keely |
| O'Cathasaigh | Casey |
| O'Caomhain | Keveny, Kevin, Kavanagh, Cowen, Cohen |
| O'Cain* (O'Koin] | Coyne, Koin, Kain, Kean, Keane |
| O'Camdhain | Camden, Caden |
| O'Cearnaigh | Kearney, Carney |
| O'Ceadfhada | Keating, Keatinge |
| O'Ceirin | Kerrin |
| O'Ceirin | Kearn, Kearins |
| O'Cearnachain | Kernaghan |
| O'Ceallaigh | Kelly |
| O'Ceathaigh | Keaty, Keating |
| O'Ceallachain | Callaghan of Erris |
| O'Chobhthaigh | Coffey, Coffee |
| O'Chosgraidh | Cosgrave |
| O'Ciarmhaic | Kirby, Berwick |
| O'Cinnfhaelaidh | Kinealy |
| O'Cinnchnambha | Kinnavy, Bones |
| O'Ciardha | Keary |
| O'Ciaragain | Kerrigan |
| O'Ciardha | Carey, Keary |
| O'Cindellain | Cunningham |
| O'Clumain | Coalman |
| O'Conbhuidhe | Conway, Convy |
| O'Conboirne | Bourns, Burns |
| O'Coilligh | Wood, Woods |
| O'Conaing | Gunning |
| O'Conor | Conyers |
| O'Congadhain, O'Conaighain and O'Connaghain | Cunnigan, Cunningham, Conway |
| O'Comhghain | Cowgan, Coogan |
| O'Conghaile | Connolly, Cunneely |
| O'Coilen | Collins, Collings |
| O'Connachtain | Connaughtan, Conattan |
| O'Conagan | Conyngham |
| O'Cornain | Corbett |
| O'Conaill | Connell, O'Connell |
| O'Coiglidh | Quigley |
| O'Connowe | Conway |
| O'Columain | Coleman |
| O'Coitil | Cottle |
| O'Cobhthaigh | Coffey, Cowhig |
| O'Creachain | Crehan, Greghan, Gehan, Graham |
| O'Cribbain | Corbett, Cribban |
| O'Criadhen | Creedan |
| O'Cuaghain | Gough |
| O'Cuain | Quan, Quaine, Coyne |
| O'Cuanain | Quinan, Coonan |
| O'Cumin | Cummin, Cummins |
| O'Cuinn | Quinn |
| O'Culaghaine | Coolahan, Coolacan |
| O'Deirg | Derrig, Durrig, Derrick |
| O'Discin | Dixon |
| O'Donchadha | Donoghue, Donaghy, Dunphy |
| O'Dorchaidhe | Dorcy, Dorcey, Dorsey, Darcy, D'Arcy(Galway), Darkey |
| O'Dowling | Du Laing, Laing |
| O'Drum | Drum, Drummond |
| O'Duibhdiorma | Diarmid, MacDermott |
| O'Dubhda | Q'Dowda |
| O'Duinchinn | Dunkin |
| O'Duibhagain | Duvegan, Dugan, Duggan |
| O'Duibhleargain | Dulleran |
| O'Duineadhaigh | Doney, Denny |
| O'Duanmhaigh | Duany, Devany |
| O'Duibhraic | Durack |
| O'Dunghaile | Donnelly |
| O'Duibhscuile | Duscully, Scully |
| O'Echtighearn | Ahern |
| O'Faghartaigh | Faherty |
| O'Faelechoin | Wolfe (See also " MacTyre") |
| O'Fearceallaighe | Farrelly |
| O'Feehily | Pickley, O'Feely |
| O'Feinneadha | Feeny |
| O'Fhuathmharain | Farran, Heverine |
| O'Fionnaghain | Finnegan |
| O'Finntigheam | Finneran |
| O'Fionain | O'Finan, Finan |
| O'Flannabhra | Flannery |
| O'Flaithri | Flattery |
| O'Flaitile | Flatly, Flatilly, Flattery |
| O'Floinn | Flynn |
| O'Flannghaile | Flannelly |
| O'Fodhladha | Foley (of Waterford) |
| O'Fraechain | French, Ffrench, Frenshe |
| O'Fuala | Foley |
| O'Fualairg | Fowler, Fuller |
| O'Gaoithin | Gehan, Gibson, Gettins |
| O'Gaibhtheachain | Gaughan, Gahan |
| O'Gadain | Goddan, Godwin, GOODWIN |
| O'Gathlaoich | Gately, Keightley, Catley |
| O'Gearadhain | Gearan, Geyrins |
| O'Gealigain | Galligan, Gealan |
| O'Gilin | Killin, Killeen, Culleen |
| O'Gloinin | Glennon, Gloin, Glinn |
| O'Gormghail | Gorman |
| O'Goirmghiallaigh (3) | Gormilly, Gormley, Grimley |
| O'Gowan | Smith |
| O'Gormog | Gorman |
| O'Griobbtha | Griffy, Griffin |
| O'Haughey | Haugh, Hoy, Hoey, Hawe, Howe |
| O'Hay | Hay, Hughes |
| O'Hease | Hussey, Oswell |
| O'Hooneen | Greene (See "MacUaithnin") |
| O'Hurley, | Harley |
| 'Kelaghan | Callaghan |
| O'Laodhog | Lee |
| O'Laitile | Little, Lyttle |
| O'Laoghain | Lane |
| O'Labhrahadha | Lavery |
| O'Lahiff | Guthrie, |
| O'Lairgnen | Largan, Lorigan, Legge |
| O'Laechaille | Leech, Lilly |
| O'Lachtnain | Loughnane, Loftus |
| O'Laighdiachain | Lydican |
| O'Learghusa | Larrisy, Leasy |
| O'Leannain | Lannen, Lennon, Leonard |
| O'Liathain | Lyons, Lee |
| O'Loingsigh | Lynsky, MaGloinsg, Lynch |
| O'Lorcain | Larkin, Larcom |
| O'Lochain | Longhan, Duck |
| O'Loingseachain | Lunshekaun |
| O'Luachair | Rushe |
| O'Luachduibh | Loody, Ludy |
| O'Luane | Lamb |
| O'Luain | Loane, Lamb |
| O'Luachaim | Luxom |
| O'Luachain | Price |
| O'Maoilchluiche | Gamble, Stone, Stoney |
| O'Mailina | Mallin |
| O'Maghnain | Magnan |
| O'Maoilfhiona | Molina |
| O'Marcachain | Markam, Horseman,Ryder, Ryding |
| O'Marcachain | Markam, Rider, Horseman |
| O'Maoileoin | Malone |
| O'Maoilruain | Mulroyne |
| O'Maoilbloghain | Mullowne, Mullowney, Malony |
| O'Maoilbhrenain | Mulrennan |
| O'Maonagh | Moynagh |
| O'Maoilfaghmhair | Milford, Fayre |
| O'Maoilcallain | Mullholan, Mullholand |
| O'Maoilraite | Mulratty, Ratten, Rait, Malet |
| O'Maoilgaoithe | Mulgeehy, Wynn, Wynne |
| O'Maoilruaidh | Mulroy, Roy |
| O'Mainnin | Mannion |
| O'Maoinaigh | Meeny, Mooney |
| O'Maoilaithin | Mullattin, Molohan |
| O'Maoilduan | Muldoon |
| O'Maoilcana | Malcan, Singer |
| O'Maoilchonaire | Mulconrey, Connery, Conroy, Conry |
| O'Mearadhaig | O'Meara, O'Mara |
| O'Mellain | Mellan, Millan, Mellon |
| O'Mordha | O'More |
| O'Morain | Moran, Morrin |
| O'Mongain | Mangan, Mongan, Mungan |
| O'Mochain | Moghan, Mohan |
| O'Mughroin | Moran |
| O'Mulclohy | Stone, Stoney |
| O'Mulfaver | Palmer |
| O'Muireadhaigh | Murray |
| O'Muineog | Monaghan |
| O'Murphy | Morphie |
| O'Mulfover | Milford |
| O'Murgally | Morley |
| O'Mullaville | Lavelle |
| O'Muirgheasa | Morrisy, Morris, Morrison |
| O'Mulrian | Murrian, Ryan |
| O'Muimhneachain | Minahan, Mynahan, Meenehan |
| O'Mulrony | Moroni, (of county Clare) |
| O'Murchada | Murphy |
| O'Mulligan | Baldwin |
| O'Neill | Neele, Neely |
| O'Nuadhain | Nuane, Noone, Noonan |
| O'Radubhain | Radwin, Ravan, Radden |
| O'Rabhartaigh | Rafferty |
| O'Riagain | Regan |
| O'Ronain | Ronan (Connaught), Ronayne (Munster) |
| O'Rothlain | Rolan, Rowland, Rowlan, Rowley, Rollan, Rollin |
| O'Rourke | Rooke |
| O'Ruidhain | Ruane, Rowan |
| O'Ruadhraigh | Rogers |
| O'Scannail | Seanlan |
| O'Seagha | O'Shea |
| O'Seachnasaigh | O'Shaughnessy |
| O'Sewell | Walker, Sewell |
| O'Seisnain | Sexton |
| O'Sedna | Shade |
| O'Seghdha | Shaw, Hawk, Shea |
| O'Shaughnessy | Sandys |
| O'Sionna | Fox, Seeny |
| O'Spealain | Spillaan, Spillaine |
| O'Suanaigh | Sunagh, Swanny |
| O'Sullivan | Silven, Silvers |
| O'Sumaghain | Somers |
| O'Tarpaigh | Tarpy, Torpy |
| O'Tackney | Tackit |
| O'Taichligha | Tully, Tilly |
| O'Teagha | Teague, Tighe |
| O'Tighearnaigh | Tierney |
| O'Tiompain | Tenpenny |
| O'Tighearnain | Tiernan |
| O'Toghdha | Toffey, Todd |
| O'Trehy | Foote (See "MacCoshy") |
| O'Tuathlain | Tolan, Toland, Thulis |
| O'Turrain | Troy |
| O'Tuathalain | Toland, Tolan |
| O'h-Eitegein | Magettigan |
| O'h-Aghmaill | HamiIl |
| O'h-Ailche | Halley, Ally |
| O'h-Eoghain | O'Howen, Owens |
| O'h-Iomhair | Howard, Ivers |
| O'h-Emeachain | Hermans, Meehan |
| O'h-Iarnain | Hernon |
| O'h-Uisgin | O'Hiskeen, O'Histeen, Hastings |
| O'h-Iomhair | Howard, Ivers, Ivor |
| O'h-Uallachain | MacUallachain, MacCuolahan, Nolan |
| O'h-Oireachtaigh | Heraghty, Geraghty |
| O'h-Oilmhec | Helvick, Helwick |
| O'h-Heraghty | MacGeraghty, Harrington |
| O'h-Uathmharain | Hamran, Horan, Heverine |
| O'h-Eidhin | O'Heyne, Hynes, etc. |
| O'h-Eochagain | Haughion |
| O'h-Eidhneachain | Heanaghan |
| O'h-Ir | O'Hir, O'Hayer, O'Hare, Hare |
| O'h-Enda | Henn |
| O'h-Aichir | O'Hehir, Hehir |
| O'h-Eimhirin | Herne |
| O'h-Fhnadha | Foody, Swift |
| O'h-Aidith | Hatty Hettv |
| O'h-Arain | Haran |
| O'h-Eana | Heany |
(1) "This is probably the family name now called MacHale". Dr.O'Donovan.
(2) O'Aodha; In Connaught since the Cromwellian Settlement of Ireland, the O' has been ommitted by most of the natives of that province. The Milesian gentry, there, however, still use that prefix as a mark of distinction between themselves and their co-relatives, the peasantry of the same race.
(3) O'Goirmghiallaigh; This Connaught family is distinct from the O'Gairmleadhaigh (or Gormley) family of Ulster.
CELTIC FAMILIES
In MacFirbis's "Irish Genealogies" the following Celtic
names are designated "Maghaidh Saxonta" ("magadh: Irish;
mocking, jeering); meaning that it was only in jest
these names were said to be of Saxon origin:
| 1. AUCHINLEK | 15. GORDON | 29. LINDESAY |
| 2. BARCLAY | 16. GRAKANE | 30. LITTLE |
| 3. BARDE | 17. GRAY | 31. LUNDIE |
| 4. BISET | 18. GUTHRIE | 32. MURRAY |
| 5. BLAIRE | 19. HALIDAY | 33. NEWBIGGING |
| 6. BOYD | 20. HAY | 34. OLIPHANT |
| 7. CAMBELL | 21. IRELAND | 35. RAMSAY |
| 8. CLELAND | 22. JARDAN | 36. RUTHER |
| 9. CRAWFORD | 23. JOHNSTON | 37. RUTHVEN |
| 10. CARRIE | 24. KAR | 38. SOOT |
| 11. DASSE | 25. KEITH | 39. SCRIMAGER |
| 12. DOWGLAS | 26. KILLPATRICK | 40. SEBON |
| 13. DUN | 27. LAWDER | 41. TINTS |
| 14. FOORDE | 28. LENNOX | 42. WALLACE |
Milesian History and Ancient Names
Families in Ireland from the 11th Century to the End of the 16th Century
Surnames Common in Ireland at end of 16th Century
Knights Bachelors in Ireland 13th to 15th Centuries
Surnames Prevalent in Ireland during the 17th Century
Peerages in Ireland During the 17th Century
Back to the guide to researching NAMES -or- to the Guide
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