The perfect baby name, history behind names, the random name generator, and much more in the Internet Names Database. INDb contains a whole catalog of names and surnames, with descriptions, history and curiosities about every name.

O'BEIRNE : Variant of O'BYRNE.

O'BERNE : Variant of O'BYRNE.

O'BOYLE : Variant of BOYLE.

O'BRIAN : Variant of O'BRIEN.

O'BRIEN : From the Irish Ó Briain meaning "descendant of BRIAN".

O'BYRNE : Anglicized form of Irish Ó Broin meaning "descendant of BRAN (1)".

O'CALLAGHAN : Variant of CALLAGHAN.

O'CLERY : Anglicized form of Ó CLÉIRIGH.

O'CONNELL : Variant of CONNELL.

O'CONNOR : From Irish Ó Conchobhair meaning "descendant of CONCHOBHAR".

O'DONNELL : Anglicized form of Irish Ó Domhnaill meaning "descendant of DOMHNALL".

O'DOYLE : Variant of DOYLE.

O'GORMAN : Variant of GORMAN (2).

O'HANEGAN : Variant of O'HANNAGAIN.

O'HANIGAN : Variant of O'HANNIGAIN.

O'HANNAGAIN : From Irish Ó hAnnagáin, which means "descendant of Annagán". The given name Annagán was a diminutive of Annadh meaning "delay".

O'HANNAGAN : Variant of O'HANNAGAIN.

O'HANNEGAN : Variant of O'HANNAGAIN.

O'HANNIGAIN : Variant of O'HANNAGAIN.

O'HANNIGAN : Variant of O'HANNAGAIN.

O'HARA : From the Irish Ó hEaghra, which means "descendant of Eaghra", Eaghra being a given name of uncertain origin. Supposedly, the founder of the clan was ...

O'HEARN : Anglicized form of Ó HEACHTHIGHEARNA.

O'KANE : Anglicized form of Ó CATHÁIN.

O'KEEFE : Variant of KEEFE.

O'LEARY : From Irish Ó Laoghaire meaning "descendant of LAOGHAIRE".

O'MALLEY : Anglicized form of Ó MÁILLE.

O'MOONEY : From the Irish Ó Maonaigh meaning "descendant of Maonaigh". The given name Maonaigh means "wealthy".

O'NEAL : From Irish ó Néill meaning "descendant of NEIL".

O'NEILL : Variant of O'NEAL.

O'NIALL : Variant of O'NEAL.