Irish Surnames: Meaning, Origin & Coat of Arms (page 1 of 2)

Descendant of Eachthighearna ("lord of horses")

Norman, perhaps from Old French barat ("trouble, deceit")

From Barry (Glamorgan)

Descendant of Beolán

Descendant of Baoigheall

Son of Brádach

Descendant of Braon ("sorrow" or "moisture")

Descendant of Braonán

Descendant of Breaslán

Descendant of Buachaill ("herdsman")

From de Burgh, "fortified place"

Descendant of Bran, "raven"

Descendant of Cathal ("strong in battle")

Descendant of Ceallachán

Canon (cleric), or descendant of Canannán

Descendant of Ciardha ("dark")

Descendant of Cearbhall

Descendant of Cathasach ("vigilant")

Descendant of Caiside ("curly-haired")

Son of Flannchadh ("red warrior")

Descendant of the cleric

Descendant of the clerk

Descendant of Cobhthach ("victorious")

Descendant of Coileán, "young hound"

Descendant of Conall

Descendant of Conghalach, "valorous"

Anglicized form of several Gaelic names

Anglicized form of several Gaelic names

Son of the devotee of St Mochuille

Descendant of Corcrán ("purple" or "ruddy")

Descendant of Corragán ("spear")

Son of Oisdealb

Son of Oitir (Norse Óttarr)

Descendant of Cochlán ("cloak, hood")

Son of the devotee of Saint Comhghall

Descendant of the swarthy one

Descendant of the hard hero

Descendant of Cuileann ("holly")

Descendant of Coimín ("little crooked one")

Descendant of Corrán ("spear")

Valley settlement

Descendant of Dálach, linked to "assembly"

Descendant of the dark challenger

Descendant of Díomasach ("proud")

Descendant of Doibhilin

Norman, from Lyons or from Delion

Descendant of Dochartach

Descendant of Dubhshlán

Descendant of Donnchadh

Descendant of Donnghal ("brown valour")

Descendant of Donnabhán

Descendant of the dark warrior

Descendant of Dúnlang

Descendant of Dubhghall, "dark foreigner"

Descendant of Dubhthach, "dark one"

Descendant of Dubhagán ("little dark one")

Descendant of Donn, "brown"

Descendant of the dark, sallow one

Son of Aodhagán, little Aodh

Descendant of Fathach

Descendant of Fallamhan (ruler)

Descendant of Fearghal, "man of valour"

Descendant of Fionnagán ("little fair one")

Son of Gerald

Son of the devotee of Saint Patrick

Descendant of Flannagán ("red, ruddy")

Descendant of Flann, "ruddy"

Descendant of Foghlaidh ("plunderer")

Descendant of Gallchobhar ("foreign help")

Descendant of Gealbhán ("bright white")

Descendant of Gairbhith ("rough peace")

Irish Ó Gáibhín; Scots, from Gawain

Son of Oireachtach (assembly member)

Son of the devotee of Mary

Descendant of Glasán ("green, grey")

Son of Gormán ("little blue one")

Descendant of Éanna

Descendant of Áinle

Descendant of Anluan ("great champion")

Descendant of Annadh

Descendant of Aodh, "fire"

Descendant of the claimant; ingenious

Descendant of Éigceartach ("unjust")

Descendant of Aonghus

Descendant of the healer

Descendant of Uigín

Descendant of Ógán ("young")

Descendant of Arragán

Descendant of Urthuile

From the Breton personal name Iodoc

Descendant of Cathán ("battle")

Follower of Caomhán

Descendant of Cathán ("battle")

Descendant of Catharnach ("warlike")

Norman, perhaps "kite"

Descendant of Céileachair ("companion dear")

Descendant of Ceallach

Descendant of Cinnéide

Descendant of Cionaodh (Kenneth)

Son of Eochaidh ("horseman")