Ó BolguidirIrish The name Ó Bolguidir has changed considerably in the time that has passed since its genesis. It originally appeared in Gaelic as Ó Bolguidir, which likely meant "yellow-belly" (from bolg odhar).
Ó CanannIrish Means "descendant of CANÁN". Canán is a given name derived from the word cano "wolf cub".
O'CarrollIrish (Anglicized) Originates from the ancient Gaelic name Mac Cearbhaill or O'Cearbhaill, deriving from the word "Cearbh" which means to "Hack". Making it a possible name for a warrior or blacksmith.
Ó CéirínIrish Meaning ‘descendant of Céirín’, a personal name from a diminutive of ciar ‘dark’, ‘black’. English patronymic -s has been added superfluously.
Ó DonndubhartaighIrish (Archaic) Means "descendant of Donndubhartach", a personal name composed of donn "brown" and dub "black" combined with artach "nobleman".
O'duffyIrish The name O'Duffy originates from the gaelic surname "O Dubhthaigh". Dubh meaning "Black" in Gaeilge. They claim descent from the ancient Heremon kings of Ireland. They descend from "Cahir Mor", the King of Leinster in the second century... [more]
Ó DuibhidhirIrish Means "descendant of Duibhuidhir". Duibhuidhir is a personal name composed of the elements dubh "dark, black" and odhar "sallow, tawny".
Ó DuibhneIrish Means "descendent of Duibhne", a given name possibly meaning "ill-tempered, surly".
O'farrellIrish From Irish Ó Fearghail meaning "descendant of Fearghal. This name is borne by several families in Ireland, in counties Longford, Tyrone, and Wicklow.
O'GalvinIrish Anglicized form of Ó Gealbháin, which means "descendant of the bright, fair one", derived from the Gaelic elements geal "bright" and ban "fair, white". A known bearer of the original form of the surname is Ciarán Ó Gealbháin, former signer of the Irish traditional music band Danú.
Ó GibealláinIrish An Irish-Gaelic surname derived from a given name meaning "descendant of Gibealláin".
Ó GibneIrish 'Descendant of Gibne', a byname meaning "hound". This sept came from Counties Meath and Cavan. This was a very ancient sept but unfortunately, there are few references surviving.
O'gradyIrish Anglicized form of Ó Gradaigh, meaning "descendant of Gradaigh." Gradaigh is a personal name derived from the Irish Gaelic word grada, "the illustrious one."
Ó hAngluinnIrish A patronymic surname meaning "son of Anglninn." This name is, in turn, thought to be derived from Irish Gaelic word anglonn, which means "hero" or "champion."
Ó HannáinIrish Hundreds of years ago, the Gaelic name used by the Hannant family in Ireland was Ó hAnnáin, which means "descendant of hAnnáin".... [more]
ÓhearcáinIrish The surname ÓhEarcáin (Harkins) is derived from the Irish nickname of Erc or Earc meaning freckled. The diminutive of Erc or Earc is Ercáin or Earcáin. When the Irish alphabet added the aspirate “h” the name became hErcáin or hEarcáin with the hereditary surname prefixes Uí hErcáin, UahErcáin, ÓhEarcáin and (female)Ní Earcáin that was anglicized as Harkin, Harkan, or Harkins... [more]
O'hurleyIrish The name Hurley itslef come from the stick used in the game of Hurling, first played in Ireland. The name might have origanated due to a player of the game being dubbed hurley... [more]
Ó LaighinIrish Means "of Leinster" or "descendant of the one from Leinster", denoting someone who came from the Irish province Leinster (Laighin in Irish)... [more]
O'LennonIrish Original form of Lennon. Probably a variant of Ó Leannáin (from a by-name meaning "lover"), but may also be derived from O'Lonain (from lon, "blackbird").
Ó MaoiléidighIrish Means "descendant of Maoléidigh" in Irish. This surname was stressed on the penultimate (second-to-last) syllable, and may have been shortened in some cases to give Leddy.
Ó ScannailIrish Ó Scannail is both the name of a sept in Ireland and a surname. It is derived from the Gaelic term scannal, meaning "contention" or "strife."
Ó SeanachainIrish Means "grandson of Seanachan". Alternatively, may be derived from Gaelic seanachaidh, meaning "skilled storyteller".
O'SheeranIrish (Rare) Anglicized form of either Ó Sírín or Ó Síoráin meaning "descendant of Sírín" and "descendant of Síoráin" respectively. Sírín and Síoráin are variants of the same name, both are derived from a diminutive of síor meaning "long-lasting".
O'TolanIrish The meaning of the name is unclear, but it seems to derive from the pre 13th century Gaelic O'Tuathalain suggesting that it was probably religious and may translate as "The male descendant of the follower of the lord".
O’tooleIrish O'Toole, along with Toole, comes from the Irish O Tuathail. This derives from the personal name Tuathal, meaning "ruler of the people", used by many Irish kings and heroes and accordingly incorporated into a surname in a number of distinct areas, among them south Ulster, Mayo and Kildare.
Ó ToráinIrish Meaning, ‘descendant of Torán’, a personal name formed from a diminutive of tor ‘lord’, ‘hero’, ‘champion’.
O'ToranIrish (Anglicized) Anglicized form of Gaelic Ó Toráin ‘descendant of Torán’, a personal name formed from a diminutive of tor ‘lord’, ‘hero’, ‘champion’.
O'TuathalainIrish May translate as "The male descendant of the follower of the lord".
O'TwolanIrish The meaning of the name is unclear, but it seems to derive from the pre 13th century Gaelic O' Tuathalain suggesting that it was probably religious and may translate as "The male descendant of the follower of the lord".