Male

• Larkin - "rough and fierce."
• Lawler - from an Irish word meaning "mutterer."
• Leary - variant of Laoire and Laegaire.
• Lennan - (LAN-awn) Old Irish work meaning "lover, sweetheart." Leannan.
• Liam - (LEE-am) "resolute protector, unwavering protector." Irish= William, short for Uilliam, derived from name Guillaume, introduced to Ireland by Normans.
• Lir - father of Manannan mac Lir, his second wife turned his other four children into swans.
• Lochlainn - (LOCH-lan or LOX-lin) Old Irish=word for the land of the Vikings. In fairy tales, Lochlainn was the imaginary abode of the princess-who-must-be-rescued. Popular in Middle Ages. Lochlain, Lakeland, Laughlin, Lochlyn, Loughlin.
• Mac Dara - (mahk-DAH-ra) Old Irish=mac "son" + dara "oak" = "son of the oak." Saint Mac Dara of Connemara is the patron of fisherman.
• MacBride - from the Irish meaning "son of the follower of Saint Brighid."
• Macarthur - "son of Aruthur." Mcarthur.
• Maccoy - "son of Hugh." Mccoy.
• Macrea - from the Irish meaning "son of grace." Mccrea, Mccrae.
• Mackenzie - "son of Kenzie." Mckenzie.
• Mackinnley - "son of the learned ruler." Mckinnley.
• Macklin - "son of Flann." Macland.
• Macmahon - "son of Mahon." Mcmahon.
• Miles - Several derivations, including Latin miles "soldier." From the 17th C. on, Miles was used to anglicize names beginning with mael "servant or devotee," such as Mael Muire. Myles.
• Monroe - name derived from the mouth of Ireland's Roe River. Morann - (MOOR-an) Old Irish=name Morand, source unknown. Legendary judge of ancient Ireland who allegedly never gave a false verdict. Also the name of several if Finn mac Cumhaill's warriors. Morand.
• Morc - son of Dela, a Fomor King.
• Niall - (NEE-AL)(Celt) "champion"; or From the Old Irish poss. derived from nel "cloud." King Niall Noigiallach of Tara founded Ui Neill dynasty and ancestor to the O'Neills and Scotland's
• O'Neil - "son of Neil."
• Oisin - (oh-SHEEN) Old Irish=oisin "fawn" or "deer." Finn mac Cumhaill's son, was poet of the Fiana. Two saints by this name (Oissine). Oissine, Ossian.
• Oran - (OHR-an) from odran, Old Irish word for "otter." Saint Odran is patron of Waterford.
• Oscar - (OHS-car) Old Irish=os "deer", prob. meaning "one who loves deer"; or "warrior." Legendary warrior, grandson of Finn mac Cumhaill.
• Padraig - (PAH-drig or PAH-dreek) from Latin Patricius "noble." Saint Patrick, patron saint of Ireland, was the first successful Christian missionary on the island. Patrick has only been a given name of children since 1700; considered too sacred earlier, children were given names Gilla Patraic "servant of Patrick" or Mael Patraic "devotee of Patraic." Padhraig, Paddy, Padraic, Patraig, Patrick.
• Patterson - Irish version of "son of Pat."
• Phelan - from a word meaning "wolf"; variant of Faolan.
• Piaras - (PEER-as or PEE-a-ras) "stone"; Irish= Peter, from French-Norman name Piers. Perais, Ferus, Pierce.
• Piran - "prayer"; the Irish saint of miners had this name.
• Quigley - from a word meaning "from the maternal side."
• Quillan - "cub." Quillon.
• Quinn - Irish variant of Conn, and the old spelling Cuinn.
• Raegan - "little king." Reagan, Reegen, Regan.
• Rafer - from a word meaning "rich, prosperous." Raffer, Rafferty.
• Regan - see Raegan. Riagan.
• Rian - (REE-an) Dim. of Old Irish ri "king." Old first name is the source of surname Ryan, since adopted as a first name in N. America. Rigan, Rigan (REE-an).
• Riddock - "smooth field." Reidhachadh, Riddoc.
• Riordan - (REER-dawn) Old Irish=rigbarddan "royal poet."
• Roarke - "famous ruler." Roark, Ruarc, Ruark, Rorke, Ruaidhri, Rourke.
• Rogan - "red-headed." Ruadhagan, Rowe, Rowen, Rowyn, Rowin, Rowan, Ruadhan.
• Rónán - (ROH-nawn) Old Irish=ron "seal" + dim. suffix -an; or "a pledge." Ten saints, including Ronan of Lough Derg and Ronan of Lismore had this name. Ronan.
• Ross - (RAWS) from Old Irish ros "promontory." Popular; borne by kings, heroes, saints.
• Ruarc - (ROO-ark) Old Irish=arg "champion, hero", and source of surname O'Rourke. Anglicized Rourke.
• Ruairi - (ROO-e-ree) Old Irish=name Ruaidri: ruad "red" + re "king." Ruaidre Ua Conchobair, last high king of Ireland died in died in 1170. Ruaidhri, Rory.
• Ruarc - (ROO-ark) derived from the surname O'Rourke, from arg "champion, hero."
• Ryan - "little king." Rhyan, Ryne, Rian.
• Saoirse - "freedom" or "liberty"; male or female name.
• Scanlon - "little trapper."
• Séamas - (SHAY-muhs or SHEE-a-mus) from James (H); "the supplanter, one who supplants." Seamus, Seumus, Shemus, Shamus.
• Seán - (SHAWN) "God's gracious gift"; Irish= John, der. from Norman French name Jehan. Shaun, Shane, Sion, Shawn, Seaghan (SEE-a-gun).
• Setanta - birth name of the warrior Cu Chulainn.
• Shanley - "small", or "ancient." Seanlaoch.
• Sierra - "black."
• Skelly - "storyteller"; might be from Viking influence and their word for bard, skald.
• Scully - (Gael) from a word meanign "town crier." Scolaighe
• Sweeney - "small hero"; variant of Suibhne. Suidhne.
• Sloan - "warrior." Sloane.
• Stoli
• Tiarnan - (TEER-nawn) Old Irish=Tigernan: tigerna "lord, superior, chief" + dim. -an. Popular in early and medieval Ireland; name of several kings and saints, including Saint Tigernan of County Mayo. Tier, Tighearnach, Tiernan.
• Troy - from a word meanings "foot soldier."
• Tulley - "at peace with God." Taicligh.
• Tynan - from the word "dark."
• Tyrone - (teer-OHN) Old Irish=tir "land" + Eoghain "of Eoghan".