Boyle IrishFrom Irish
Ó Baoighill meaning
"descendant of Baoigheall". The meaning of the given name
Baoigheall is uncertain, but it is thought to be connected to Irish
geall meaning "pledge".
Brady IrishAnglicized form of the Irish name
Ó Brádaigh meaning
"descendant of Brádach". A famous bearer is the American football quarterback Tom Brady (1977-).
Breen IrishAnglicized form of Irish
Ó Braoin meaning
"descendant of Braon", a byname meaning "rain, moisture, drop".
Brennan IrishFrom Irish
Ó Braonáin meaning
"descendant of Braonán", a byname meaning "rain, moisture, drop" (with a diminutive suffix).
Brogan IrishOccupational name derived from Irish
bróg meaning
"shoe".
Brontë IrishVariant of
Brunty adopted by the Irish-born Englishman Patrick Brunty (1777-1861) as an adult. He was the father of Charlotte, Emily, and Anne Brontë, each prominent authors.
Buckley 2 IrishFrom Irish
Ó Buachalla meaning
"descendant of Buachaill", a nickname meaning "cowherd, servant".
Burke English, IrishDerived from Middle English
burgh meaning
"fortress, fortification, castle". It was brought to Ireland in the 12th century by the Norman invader William de Burgh.
Butler English, IrishOccupational name derived from Norman French
butiller "wine steward", ultimately from Late Latin
butticula "bottle". A famous bearer of this surname is the fictional character Rhett Butler, created by Margaret Mitchell for her novel
Gone with the Wind (1936).
Caden IrishFrom Irish
Mac Cadáin meaning
"descendant of Cadán", a given name of unknown meaning.
Carmody IrishAnglicized form of Irish
Ó Cearmada meaning
"descendant of Cearmaid", a Gaelic given name.
Carroll IrishFrom the given name
Cearbhall. A famous bearer was Lewis Carroll (1832-1898), whose real name was Charles Lutwidge Dodgson, the author of
Alice's Adventures in Wonderland.
Cassidy IrishFrom Irish
Ó Caiside meaning
"descendant of Caiside".
Caiside is a given name meaning "curly haired".
Clancy IrishFrom Irish
Mac Fhlannchaidh meaning
"descendant of Flannchadh". The given name
Flannchadh means "red warrior".
Cody IrishAnglicized form of Irish
Ó Cuidighthigh or
Mac Óda. A famous bearer was the American frontiersman and showman Buffalo Bill Cody (1846-1917).
Collins 1 IrishAnglicized form of
Ó Coileáin. A famous bearer was Michael Collins, an Irish nationalist leader who was assassinated in 1922.
Connolly IrishAnglicized form of Irish
Ó Conghalaigh, which means
"descendant of Conghalach".
Conghalach is a nickname meaning "valiant".
Conroy IrishAnglicized form of Irish
Ó Conaire, which means
"descendant of Conaire".
Conaire is a nickname meaning "hound keeper".
Cooney IrishFrom Irish
Ó Cuana meaning
"descendant of Cuana".
Cuana probably means "handsome, elegant". The Cooney sept originated in County Tyrone.
Corcoran IrishFrom Irish
Ó Corcráin meaning
"descendant of Corcrán", a given name derived from the Gaelic word
corcair "purple".
Crowley 1 IrishFrom the Irish name
Ó Cruadhlaoich meaning
"descendant of Cruadhlaoch", a given name meaning "hardy hero".
Daly IrishAnglicized form of Irish
Ó Dálaigh meaning
"descendant of Dálach".
Dempsey IrishAnglicized form of Irish
Ó Díomasaigh meaning
"descendant of Díomasach", a given name meaning "proud".
Desmond IrishAnglicized form of Irish
Ó Deasmhumhnaigh meaning "descendant of the man from South Munster", originally indicating a person who came from the region of South Munster (Desmond) in Ireland.
Devlin IrishAnglicized form of the Irish
Ó Doibhilin meaning
"descendant of Doibhilin", a given name that may be derived from the Gaelic term
dobhail meaning "unlucky".
Doherty IrishFrom the Irish
Ó Dochartaigh meaning
"descendant of Dochartach". The byname
Dochartach means "obstructive".
Donne Scottish, IrishFrom Gaelic
donn meaning
"brown", a nickname for a person with brown hair.
Donnelly IrishFrom Irish
Ó Donnghaile meaning
"descendant of Donnghal". The given name
Donnghal means "brown valour", from
donn "brown" and
gal "valour". This surname is associated with the descendants of Niall of the Nine Hostages.
Doran IrishFrom Irish
Ó Deoradháin meaning
"descendant of Deoradhán", where
Deoradhán is a given name meaning "exile, wanderer".
Doyle IrishFrom the Irish
Ó Dubhghaill, which means
"descendant of Dubhghall". A famous bearer was Arthur Conan Doyle (1859-1930), the author of the Sherlock Holmes mystery stories.
Driscoll IrishFrom Irish
Ó hEidirsceóil meaning
"descendant of the messenger".
Duffy 1 IrishDerived from Irish
Ó Dubhthaigh meaning
"descendant of Dubthach". Their original homeland was Monaghan where the surname is still the most common; they are also from Donegal and Roscommon.
Dunn English, Scottish, IrishDerived from Old English
dunn "dark" or Gaelic
donn "brown", referring to hair colour or complexion.
Durnin IrishFrom Irish
Ó Doirnáin meaning
"descendant of Doirnín", a given name meaning "little fist".
Fallon IrishAnglicized form of Irish
Ó Fallamháin meaning
"descendant of Fallamhán", a given name meaning "leader".
Finnegan IrishAnglicized form of Irish
Ó Fionnagáin meaning
"descendant of Fionnagán". The given name
Fionnagán is a diminutive of
Fionn.
Fitzgerald IrishMeans
"son of Gerald" in Anglo-Norman French. It was brought to Ireland with William the Conqueror. A famous bearer was Ella Fitzgerald (1917-1996), an American jazz singer.
Flanagan IrishFrom Irish
Ó Flannagáin meaning
"descendant of Flannagán".
Flannagán is a given name meaning "blood red". From County Roscommon in Ireland, it has many other spellings.
Flannery IrishAnglicized form of Irish
Ó Flannghaile meaning
"descendant of Flannghal", a given name meaning "red valour".
Flynn IrishAnglicized form of Irish
Ó Floinn meaning
"descendant of Flann".
Foley IrishFrom Irish
Ó Foghladha meaning
"descendant of Foghlaidh". The byname
Foghlaidh meant "pirate, marauder, plunderer".
Gilmore Scottish, IrishAnglicized form of Scottish Gaelic
MacGilleMhoire or Irish Gaelic
Mac Giolla Mhuire meaning
"son of the servant of Moire".
Gorman 2 IrishFrom the Irish
Ó Gormáin meaning
"descendant of Gormán". The given name
Gormán means "little blue one".
Grady IrishFrom Irish
Ó Gráda or
Ó Grádaigh meaning
"descendant of Gráda". The byname
Gráda means "noble, illustrious".
Guinness IrishVariant of
McGuinness. The name is well known because of the Guinness brand of ale, established in 1759 by Arthur Guinness.
Halloran IrishFrom Irish
Ó hAllmhuráin meaning
"descendant of Allmhurán". The given name
Allmhurán means "stranger from across the sea".
Heffernan IrishFrom Irish
Ó hIfearnáin meaning
"descendant of Ifearnán". The byname
Ifearnán means "little demon".
Hickey IrishAnglicized form of Irish
Ó hÍcidhe meaning
"descendant of the healer".
Higgins IrishFrom Irish
Ó hUiginn meaning
"descendant of Uiginn".
Uiginn is a byname meaning "Viking".
Hines IrishAnglicized form of Irish
Ó hEidhin meaning
"descendant of Eidhin", a given name or byname of unknown origin.
Hogan IrishFrom Irish
Ó hÓgáin meaning
"descendant of Ógán". The given name
Ógán is a diminutive of
óg meaning "young".
Kavanagh IrishDerived from the Irish Gaelic name
Caomhánach, which means "a student of saint
Caomhán". It was the name used by a 12th-century king of Leinster, Domhnall Caomhánach, the eldest son of the historic Irish king Diarmait Mac Murchada.
Kearney IrishFrom the Irish name
Ó Ceithearnaigh meaning
"descendant of Ceithearnach", a given name meaning "warrior".
Keefe IrishAnglicized form of the Irish
Ó Caoimh meaning
"descendant of Caomh".
Keegan IrishFrom Irish
Mac Aodhagáin meaning
"descendant of Aodhagán". The given name
Aodhagán is a double diminutive of
Aodh.
Keeley IrishAnglicized form of Irish
Ó Caolaidhe meaning
"descendant of Caoladhe", a given name derived from
caol "slender".
Kelly 1 IrishAnglicized form of Irish
Ó Ceallaigh meaning
"descendant of Ceallach". Famous bearers include actor and dancer Gene Kelly (1912-1996) and actress and princess Grace Kelly (1929-1982).
Kennedy IrishFrom the Irish name
Ó Cinnéidigh meaning
"descendant of Cennétig". This surname was borne by assassinated American president John F. Kennedy (1917-1963).
Kilduff IrishFrom the Irish
Mac Giolla Dhuibh meaning
"son of the black-haired man".
Killough IrishIndicated a person who was from Killough (County Down, Northern Ireland) or Killough (Wicklow, Ireland). The place name Killough means "church on the lake", derived from the Irish
cill "church" and
loch "lake".
Kilpatrick IrishFrom the Irish
Mac Giolla Phádraig meaning
"son of the servant of Saint Patrick".
Lane 3 IrishFrom Irish
Ó Luain meaning
"descendant of Luan", a given name meaning "warrior".
Lennon IrishAnglicized form of the Irish name
Ó Leannáin, which means
"descendant of Leannán". The byname
Leannán means "lover". The name was borne by the musician John Lennon (1940-1980).
Lynch IrishFrom Irish
Ó Loingsigh meaning
"descendant of Loingseach", a given name meaning "mariner".
MacCarrick IrishMeans
"son of Cúcharraige" in Irish. The given name
Cúcharraige is composed of
cú "hound" and
carraig "rock".
MacCoughlan IrishMeans
"son of Cochlán". The given name
Cochlán is derived from Irish
cochal meaning "cape" or "hood".
Mack 1 Scottish, IrishShortened form of various Irish and Scottish surnames beginning with
Mac or
Mc (from Irish
mac meaning "son").
Mac Niadh IrishMeans
"son of Niadh" in Irish. The given name
Niadh means "champion".
Malone IrishAnglicized form of Irish
Ó Maoil Eoin meaning
"descendant of a disciple of Saint John".
Markey IrishFrom the Irish
Ó Marcaigh meaning
"descendant of Marcach", a given name meaning "horse rider".
McCabe Irish, ScottishMeans
"son of Cába", where
Cába is a byname meaning "cape, cloak" (from Latin
cappa).
McCauley Irish, ScottishAnglicized form of Gaelic
Mac Amhalghaidh or
Mac Amhalghadha meaning
"son of Amhalghaidh". The given name
Amhalghaidh, from Old Irish
Amalgaid, is of uncertain meaning.
McCullough IrishAnglicized form of Irish
Mac Cú Uladh meaning
"son of Cú Uladh". The byname
Cú Uladh means "hound of Ulster". This surname has also been associated with Old Irish
cullach "boar".
McDermott IrishAnglicized form of Irish
Mac Diarmada meaning
"son of Diarmaid". The McDermotts were nobility in the Kingdom of Connaught, a province in Ireland.
McElligott IrishAnglicized form of the Irish Gaelic name
Mac Uileagóid meaning
"son of Uileagóid", a diminutive of
Uilleag.
McGill Irish, ScottishAnglicized form of Gaelic
Mac an Ghoill meaning
"son of the foreigner", derived from
gall "foreigner".
McGovern IrishAnglicized form of Irish Gaelic
Mag Shamhradháin meaning
"son of Samhradháin", a given name meaning "summer".
McGuire IrishAnglicized form of Irish
Mag Uidhir meaning
"son of Odhar", a given name meaning "pale-coloured".
McNamara IrishFrom Irish
Mac Conmara meaning
"son of Conmara". The given name
Conmara is composed of
cú "hound" and
muir "sea".
Milligan IrishAnglicized form of the Irish
Ó Maolagáin meaning
"descendant of Maolagán", a given name derived from
maol meaning "bald" or "tonsured".