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Irish Baby Boy Names

Name Meaning Origins Gender
Odran little pale / dun-colored one Irish Boy
Odron Little dun- or pale-colored one (from odhar 'dun, sallow' + diminutive -án) Irish Boy
Oenghus From Old Irish elements meaning 'one' + 'choice/strength' - 'single choice' or 'unique strength' Gaelic, Irish Boy
Oengus 'One strength' or 'unique strength' (from óen = one + gus = strength/vigor) Gaelic, Irish Boy
Og young; youth Irish Boy
Oilell Uncertain - an Old Irish personal name borne by early/legendary figures; exact meaning is unclear. Irish Boy
Oilibhear olive tree French, Irish Boy
Oisean Little deer (diminutive of Irish 'os' meaning 'deer') Irish Boy
Oisin little deer (fawn) Irish Boy
Oistin Derived from Old Norse elements often interpreted as 'ey' (island) + 'steinn' (stone) - 'island stone'. Irish Boy
Oisyn little deer Irish Boy
Olan Varies by origin - in Gaelic an old personal name (possibly linked to Saint Olán); in Yoruba a short form of names beginning with 'Ola-' meaning 'wealth' or 'honor'. Irish, Yoruba Boy
Olin Generally rendered as 'descendant' or 'heritage' (often associated with Old Norse/Scandinavian name elements); meanings vary by tradition. English, Irish, Scandinavian Boy
Oneal descendant of Niall (Niall commonly interpreted as 'champion' or possibly 'cloud') Irish Boy
Oneale Descendant of Niall; Niall is commonly interpreted as 'champion' (occasionally glossed as 'cloud'). Irish Boy
Oneel Descendant of Niall; Niall commonly interpreted as 'champion' or 'passionate/cloud' Irish Boy
Oneil Descendant of Niall; Niall is often interpreted as 'champion' or 'passionate' Irish Boy
Oneile Descendant of Niall; Niall is often interpreted as 'champion' or 'passionate'. Irish Boy
Oniel Descendant of Niall; Niall is often interpreted as 'champion' or 'passionate' Irish Boy
Oram Varies by origin: from Old Norse 'Ormr' meaning 'serpent/dragon'; alternatively a surname/place-name origin denoting a dweller by a ridge, shore, or riverbank. English, Irish, Norse, Scottish Boy
Orian Generally taken as 'of Orion' (connected to the stars/sky) or alternatively linked to 'my light'. Irish Boy
Orin From Irish Odhrán meaning “little pale one,” or from Hebrew Oren meaning “pine (tree).” Hebrew, Irish Boy
Ormond From East Munster (placename) Irish Boy
Ormonde From East Munster (a region in Ireland) Irish Boy
Ornan Biblical Hebrew name (meaning uncertain); in Gaelic contexts related to Oran, 'little pale one'. Gaelic, Hebrew, Irish Boy
Orny A short form or pet name for names beginning with 'Or-'. Associated senses: 'little pale one' (from Irish Odhrán) or 'light' (from Hebrew Or). English, Gaelic, Hebrew, Irish Boy
Orran 'Little pale/dun one' (diminutive of odhar) Irish Boy
Orren From Hebrew 'Oren' meaning 'pine' (or 'ash tree'); also used as an English/Irish variant of Gaelic Odhrán meaning 'little pale one' or 'pale/sallow'. English, Hebrew, Irish Boy
Orvan Uncertain - may be a form related to Old Norse 'Orvar' ('arrow') or to Gaelic 'Oran' (related personal name); exact origin is ambiguous. Irish Boy
Oryn Likely from Hebrew 'pine' (Oren) or from Irish 'little pale one' (Ódhrán/Oran) English, Hebrew, Irish Boy