Irish Surnames Family History Resources

Surnames, their origin and their meaning

Many surnames are associated with the place/locality of where the family lived and in those cases the location is noted as the meaning.
Many surnames are associated with the occupation of the person given the name.

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Surname	Origin	Meaning
Callahan	Irish	descendant of Ceallachán
Daugherty	Irish	not loving
Delane	Irish	dubh, black + the genitive of slan, whole, healthy
Delaney	Irish	dubh, black + the genitive of slan, whole, healthy
Delany	Irish	dubh, black + the genitive of slan, whole, healthy
Malone	Irish	Maol, bald or tonsured, and Eoin, John
Mayo	Irish	the plain near the water, from Moi or Moy
Nolan	Irish	Anglicized form of Gaelic Ó Nualláin
Carlan	Irish	Carolan
Carlin	Irish	Carolan
Carline	Irish	Carolan
Carling	Irish	Carolan
Carroll	Irish	descendant of Cearbhall
Duffey	Irish	dubh black
Duffie	Irish	dubh black
Duffy	Irish	dubh black
Quinn	Irish	Gaelic Ó Coinn descendant of Conn
Reilly	Irish	descendant of Raghailleach
Ryan	Irish	Anglicized form of Gaelic Ó Riagháin
Clancey	Irish	MacClancy/MacClanchy
Clanchey	Irish	MacClancy/MacClanchy
Clanchy	Irish	MacClancy/MacClanchy
Clancy	Irish	MacClancy/MacClanchy
Clansey	Irish	MacClancy/MacClanchy
Flynn	Irish	descendant of Flann
Sweeney	Irish	son of Suibhne
Connellan	Irish	Little Connell
Conner	Irish	Mac Cearbhaill son of Cearbhall
Connolly	Irish	faithful to pledges

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