NIUL: Old Irish name thought to probably be derived from the word niadh, meaning "champion."
NOISIU: Variant form of Irish Gaelic Naoise, of unknown meaning. In mythology, this is the name of the warrior nephew of King Conchobar and beloved of Deirdre.
NOLAN: Irish surname transferred to forename use, from an Anglicized form of Ó Nualláin "descendant of Nuallán," hence "little champion" or "little chariot fighter."
NUADA: Irish name, possibly derived from Proto-Indo-European *sneudh, meaning "fog." In mythology, this is the name of a king of the Tuatha Dé Danann, best remembered by the name Airgetlám ("silver arm/hand"), an epithet bestowed on him after his hand or arm was cut off by a Fir Bolg warrior in the first Battle of Magh Tuiredh.
NUADHA: Variant spelling of Irish Nuada, possibly meaning "fog."
ODHRÁN: Irish Gaelic name composed of the word odhar "dun; pale green; sallow" and a diminutive suffix, hence "little sallow one."
OILILL: Variant spelling of Irish Gaelic Ailill, meaning "elf."
OILIOLL: Variant spelling of Irish Gaelic Ailill, meaning "elf."
OISÍN: Irish name composed of the word os "deer" and a diminutive suffix, hence "little deer." In mythology, this is the name of a son of Fionn mac Cumhail.
ORMOND: Irish surname transferred to forename use, from an Anglicized form of Gaelic Ó Ruaidh, meaning "descendant of Ruadh."
OSCAR: Irish Gaelic form of Scottish Gaelic Osgar, meaning "deer-lover." Compare with another form of Oscar.
PÁDRAIG: Modern form of Old Irish Gaelic Patraicc, meaning "patrician; of noble descent."
PAIDÍ: Pet form of Irish Gaelic Pádraig, meaning "patrician; of noble birth."
PÁIDÍN: Diminutive form of Irish Gaelic P�draig, meaning "little patrician" or "little noble."
PARTH: Short form of Irish Gaelic Parthalán, possibly meaning "son of Talmai."
PARTHALÁN: Irish Gaelic legend name, thought by some to have been derived from LatinBartholomaeus, meaning "son of Talmai." As the legend goes, this name belonged to an early invader of Ireland who was the first to arrive on those shores after the biblical flood.
PATRAICC: Old Irish Gaelic name derived from Latin Patricius, meaning "patrician; of noble descent."
*PIARAS: Irish Gaelic form of Greek Petros, meaning "rock, stone."
PILIB: Irish Gaelic form of Greek Philippos, meaning "lover of horses."
PÓL: Irish form of Greek Paulos, meaning "small."
PROINSIAS: Irish Gaelic form of Latin Franciscus, meaning "French."
PROINNTEACH: Irish name composed of the Gaelic elements proinn "banquet" and teach "hall, house," denoting a "generous person."
QUINLAN: Irish surname transferred to forename use, from an Anglicized form of Gaelic Ó Caoindealbhán "descendant of Caoindealbhán," hence "little fair-formed one."
*QUINN: Irish surname transferred to forename use, from an Anglicized form of Gaelic Ó Coinn"descendant of Conn," hence "chief, freeman, head, hound, intelligence, strength."
RAGHNALL: Irish Gaelic form of Old Norse Rögnvaldr, meaning "wise ruler."
REAGAN: Irish surname transferred to unisex forename use, derived from an Anglicized form of GaelicÓ Riagáin, "descendant of Riagán," hence "furious, impulsive."
