Browse Surnames

Mollown is an Irish surname, a variant of Malone. The name Malone is an Anglicized form of the Irish Gaelic Ó Maoil Eoin, meaning “descendant of a disciple of Saint John.” The root element maoil derives from maol (bald,...

Molloy is an Irish surname, anglicized from the Gaelic Ó Maolmhuaidh or Ó Maol Aodha. The name derives from two distinct septs, each with its own origin and history.The primary sept, Ó Maolmhuaidh, belonged to the southe...

Moloney is an Irish surname, an Anglicized form of the Gaelic Ó Maol Dhomhnaigh, meaning "descendant of a church servant". The element maol denotes a tonsured devotee or servant, while dhomhnaigh refers to the Lord (i.e....

Monaghan is a surname of Irish origin, a variant of the more common Monahan. Both names derive from the Irish Ó Manacháin, meaning "descendant of Manacháin." The given name Manacháin itself means "little monk," composed...

Monahan is an Irish surname with deep Gaelic roots, deriving from the native Ó Manacháin lineage. The name translates as "descendant of Manacháin," a personal name meaning "little monk" — a combination of manach ("monk")...

Monday 3 is an Irish surname derived from the anglicization of Mac Giolla Eoin. The Irish form originated as a patronymic meaning “son of the servant of Eòin,” where Eòin is the Scottish Gaelic form of John. During the a...

Moon 3 is an Irish surname, a variant of Mohan. The name Mohan itself is the modern masculine form of the Sanskrit name Mohana, meaning "bewitching, infatuating, charming." In Hindu tradition, Mohana is an epithet of the...

Mooney is a surname of Irish origin, primarily an anglicized form of the Gaelic Ó Maonaigh, also seen as O'Mooney. The name means "descendant of Maonaigh," with the personal name Maonaigh deriving from maoin, a Gaelic wo...

Moriarty is an Irish surname originating in County Kerry. It represents an anglicisation of the Gaelic Ó Muircheartaigh, meaning "descendant of Muirchertach". The personal name Muirchertach itself derives from Old Irish...

Mullane is an Irish surname, primarily a variant of Mullen. The name originates from the Gaelic Ó Maoláin, meaning "descendant of Maolán." The personal name Maolán is a diminutive of maol, which translates to "devotee,"...

Mullen is an Irish surname with the original Gaelic form Ó Maoláin, signifying "descendant of Maolán." The personal name Maolán derives from maol, meaning "devotee," "servant," or "tonsured one"—a term often associated w...

Mulligan is an anglicized Irish surname, a variant of Milligan. Both surnames derive from the Irish Ó Maolagáin, meaning "descendant of Maolagán" — a byname derived from maol ("bald" or "tonsured"). EtymologyThe root mao...

Mullins is a variant of the Irish surname Mullen, ultimately derived from the native Gaelic Ó Maoláin. This patronymic surname means "descendant of Maolán," where the personal name Maolán referred to a "devotee," "servan...

Mulloy is a surname of Irish origin, primarily found as a variant of Molloy. Both names derive from the Gaelic Ó Maolmhuaidh, which is also sometimes anglicized as Ó Maol Aodha, though these roots have slightly different...

Mulrennan is an Irish surname, the Anglicized form of Ó Maol Bhréanáin. The original Gaelic name means "descendant of a follower of Saint Brendan," reflecting the strong monastic tradition in early medieval Ireland. The...

Mulryan is an Irish surname, the Anglicized form of Ó Maoil Riain. This Gaelic patronymic means "descendant of a follower of Rian", from Irish maol "follower" and the given name Rian, which is linked to Ryan. The surname...

Murdock is a surname of Irish origin, derived from the given name Murchadh. Through a process of Anglicization, the name evolved from the Old Irish roots meaning "sea battle" — from muir (sea) and cath (battle) — into it...

Murray is a surname of Irish origin, anglicized from the Irish Ó Muireadhaigh, meaning "descendant of Muireadhach." The root name Muireadhach derives from Old Irish Muiredach, which signifies "lord" or "master." This nam...

Nevin is an Irish surname that represents the Anglicized form of two distinct Irish Gaelic surnames: Mac Cnáimhín or Ó Cnáimhín.The root name Mac Cnáimhín means "son of Cnámh", with the personal name Cnámh translating to...

Nevin is an Irish surname of Gaelic origin. It is an anglicized form of the older Irish name Mac Naoimhín, which means "son of Naomhán." The personal name Naomhán itself is a diminutive of naomh, the Irish word for "sain...

Etymology and OriginsÓ Baoghill is a traditional Irish Gaelic surname, serving as the original Gaelic form of the anglicized surnames Boyle and O'Boyle. The name derives from the Old Irish Ó Baoighill, meaning "descendan...

O'Beirne is an Irish surname, a variant of O'Byrne, and shares the same origin as a patronymic name meaning 'descendant of Bran 1'. The progenitor's name is derived from the archaic Irish given name Bran, which translate...

O'Berne is an Irish surname variant of O'Byrne. The name is an Anglicization of the Gaelic Ó Broin, meaning “descendant of Bran 1,” from the Irish word for “raven.” This totemic symbol tied the Old Gaelic clan of the Byr...

O'Boyle is an Irish surname, a variant of Boyle. It is anglicised from the Gaelic Ó Baoighill (also Ó Baoill), meaning 'descendant of Baoigheall'. The personal name Baoigheall is of uncertain origin, but it is thought to...

Etymology Ó Brádaigh is an Irish surname meaning "descendant of Brádach". The personal name Brádach is an Old Irish nickname, believed to be a short form of Brághadach, which meant "large-chested" or from bradach meaning...

EtymologyÓ Bradáin is an Irish Gaelic surname meaning 'descendant of Bradán'. The byname Bradán translates to 'salmon' in Irish, and the surname ultimately gave rise to the Anglicized form Braden. According to Irish trad...

Ó Branáin is an Irish surname meaning "descendant of Branán", with Branán being a byname derived from bran ("raven") combined with a diminutive suffix, thus translating to "little raven". The raven holds significance in...

Ó Braoin is an Irish Gaelic surname, the original form of the anglicized Breen. The name means “descendant of Braon,” where Braon is a byname derived from the Gaelic word for “rain,” “moisture,” or “drop.” It belongs to...

Ó Braonáin is an Irish surname derived from the Gaelic Ó Braonáin, meaning "descendant of Braonán". The personal name Braonán is a byname formed from braon, which signifies "rain", "moisture", or "drop", combined with a...

Ó Briain is the Irish Gaelic form of the surname O'Brien, derived from the original Irish Ó Briain, meaning "descendant of Brian." The name traces back to the legendary 11th-century High King Brian Boru, who is central t...

O'Brian is a variant spelling of the Irish surname O'Brien, both derived from the Gaelic Ó Briain, meaning "descendant of Brian." This patronymic surname originates from the ancient Irish clan system, where 'Ó' denotes g...

O'Brien is an Irish surname, an anglicised form of the native Gaelic Ó Briain, meaning "descendant of Brian". The root name Brian itself is of uncertain origin, possibly related to the old Celtic root *brixs, meaning "hi...

Ó Broin is the original Irish Gaelic form of the surname O'Byrne. Both surnames derive from the Old Irish personal name Bran 1, meaning “raven.” In Irish mythology, Bran mac Febail was a legendary mariner who journeyed t...

Ó Buachalla is an Irish Gaelic surname, the original form of the anglicized surname Buckley. The name means "descendant of Buachaill", where "Buachaill" is a personal name derived from an Irish word for "cowherd" or "ser...

The surname O'Byrne is fundamentally an Anglicized form of the original Irish name Ó Broin, which translates to “descendant of Bran 1.” The root name Bran itself means “raven” in Irish, pointing to a totemic or symbolic...

Ó Caiside is a Gaelic-Irish surname that is the original form anglicized as Cassidy. It belongs to the family of Irish patronymic surnames formed with the prefix Ó (meaning "grandson" or "descendant"). The name is derive...

O'Callaghan is an Irish surname, a variant of Callahan, itself anglicized from the Gaelic Ó Ceallacháin. The surname means 'descendant of Ceallachán', a diminutive of Cellach, which means 'bright-headed' in Old Irish. Et...

Ó Caoimh is an Irish Gaelic surname most commonly Anglicized as O'Keefe or simplified to Keefe. The name derives from the term caomh, meaning "dear, beloved, gentle" in Irish, and the prefix Ó indicating "descendant of."...

Ó Caoimháin is an Irish Gaelic surname, meaning "descendant of Caomhán." The given name Caomhán is derived from Irish caomh "gentle, beautiful" or "kind." Alternatively, the name may be connected to the root Cavan, which...

Ó Caoindealbháin is a distinguished Irish surname, deeply rooted in Gaelic tradition and history. It serves as the original Gaelic form of the more widely recognized Anglicized surname Quinlan, which itself has become co...

Ó Caolaidhe is an Irish Gaelic surname that was historically anglicized as Keeley or Keely. It derives from the Gaelic personal name Caoladhe, which itself is rooted in the Irish word caol meaning "slender". True to trad...

Ó Carra is an Irish surname meaning “descendant of Carra,” where Carra is a nickname derived from the Irish word for “spear.” The name reflects a common Gaelic patronymic tradition, where the prefix Ó (grandson/descendan...

Ó Catháin is an Irish surname meaning "descendant of Cathán.” The root name Cathán derives from Old Irish cath “battle” combined with a diminutive suffix, thus meaning “little battle.” Saint Cathán was a 6th-century Iris...

Ó Cathaláin is an Irish Gaelic surname, originating as a patronymic meaning 'descendant of Cathalán'. It is the Irish form of the Anglicized surname Callan, which also derives from this Gaelic source. The name Ó Cathalái...

Ó Cathasaigh is a Gaelic Irish surname, the original Gaelic form of the widely recognized surname Casey. It is a patronymic surname, meaning it denotes descent from a male ancestor. The name is derived from the given nam...

Ó Ceallacháin is the Irish Gaelic form of the surname Callahan. It derives from the Old Irish personal name Cellachán, a diminutive of Cellach, meaning "bright-headed" or "contentious."Etymology and HistoryThe surname or...

Ó Ceallaigh is an Irish Gaelic surname, which in its anglicized form is most commonly rendered as Kelly. The name means "descendant of Ceallach", a personal name of uncertain origin that may signify "bright-headed", or d...

Ó Cearmada is an Irish Gaelic surname, representing the original form of the more widely known Carmody. The name means "descendant of Cearmaid", where Cearmaid is an ancient Gaelic personal name of uncertain etymology, p...

Ó Ceithearnaigh is an Irish Gaelic surname that serves as the original form of the anglicized name Kearney. The name means "descendant of Ceithearnach," a personal name derived from the Gaelic word for "warrior" or "sold...

Ó Ciardha is an Irish Gaelic surname, originally a patronymic meaning "descendant of Ciardha." It is most commonly anglicized as Carey, also appearing as Keary, Kearey, Carry, or O'Carry. The name is principally associat...

Ó Cinnéidigh is the original Irish Gaelic form of the surname Kennedy. It is a patronymic surname, meaning 'descendant of Cennétig', a personal name composed of Old Irish elements likely meaning 'helmet-headed' or 'head...

Ó Cléirigh is an Irish surname meaning "descendant of the clerk", derived from the Gaelic word cléireach (clerk, cleric). It is one of the oldest recorded surnames in Europe, originating in the 10th century. The name is...

EtymologyO'Clery is an Anglicized form of the Irish surname Ó Cléirigh. The original Irish name means "descendant of the clerk" (from Irish cléireach), a term that referred to a cleric or scholar in medieval Ireland. The...

Ó Cnáimhín is an Irish surname meaning "descendant of Cnámh", where Cnámh is a Gaelic nickname derived from the word meaning "bone." This name originates from Ireland, reflecting a traditional naming practice in Irish cu...

Ó Cochláin is an Irish surname meaning "descendant of Cochlán" in the traditional Gaelic patronymic naming system. The personal name Cochlán derives from the Irish word cochal, meaning "cape" or "hood", possibly referrin...

Ó Coigligh is an Irish Gaelic surname, the original form of the more widely known Anglicized Quigley. The name is derived from the Gaelic Ó Coigligh, meaning "descendant of Coigleach." The personal name Coigleach is thou...

Ó Coileáin is an Irish surname meaning "descendant of Coileán", which itself comes from an Irish byname meaning "whelp, young dog." The name is historically tied to the Uí Chonaill Gabra, a medieval sept based in western...

Etymology and OriginÓ Comhraidhe is a surname of Irish origin, meaning "descendant of Comhraidhe". The given name Comhraidhe, from which the surname derives, has an unknown etymology, though it may be linked to a persona...

Ó Conaill is an Irish Gaelic surname, patronymic in origin, meaning “descendant of Conall.” It is formed by the prefix Ó (grandson, descendant) and the genitive of the personal name Conall. The feminine equivalent is Ní...

Ó Conaire is an Irish Gaelic surname, the original form of the anglicized Conroy. The name means "descendant of Conaire", a personal name derived from Irish cú (genitive con) "hound, dog, wolf" and aire "keeper, lord", t...