Love the charm and history of Irish boy names? Then you’ll adore this collection of meaningful and timeless Irish names, each with deep roots and unique character. Perfect for your little one!
1. Liam
- Meaning & Origin: Irish name meaning strong-willed warrior
- Nicknames: None needed
- Similar Names: William, Leo, Leon
2. Aidan
- Meaning & Origin: Irish name meaning little fire
- Nicknames: Aidy
- Similar Names: Caden, Brayden, Eamon
3. Finn
- Meaning & Origin: Irish name meaning fair or white
- Nicknames: None needed
- Similar Names: Flynn, Fionn, Quinn
4. Connor
- Meaning & Origin: Irish name meaning lover of hounds
- Nicknames: Con
- Similar Names: Colin, Callum, Ronan
5. Declan
- Meaning & Origin: Irish name meaning full of goodness
- Nicknames: Dec
- Similar Names: Dylan, Lachlan, Kellan
6. Sean
- Meaning & Origin: Irish name meaning God is gracious
- Nicknames: None needed
- Similar Names: Shane, John, Eoin
7. Cillian
- Meaning & Origin: Irish name meaning little church
- Nicknames: Cill
- Similar Names: Killian, Colin, Liam
8. Ronan
- Meaning & Origin: Irish name meaning little seal
- Nicknames: Ro
- Similar Names: Rowan, Conan, Nolan
9. Patrick
- Meaning & Origin: Irish name meaning nobleman
- Nicknames: Pat, Paddy
- Similar Names: Padraig, Peter, Patrickson
10. Eoin
- Meaning & Origin: Irish name meaning God is gracious
- Nicknames: None needed
- Similar Names: Owen, Ian, Sean
11. Brendan
- Meaning & Origin: Irish name meaning prince or little raven
- Nicknames: Bren
- Similar Names: Brandon, Brennan, Braeden
12. Niall
- Meaning & Origin: Irish name meaning champion
- Nicknames: None needed
- Similar Names: Neil, Nolan, Noel
13. Fergus
- Meaning & Origin: Irish name meaning man of strength
- Nicknames: Gus
- Similar Names: Angus, Finnegan, Fergal
14. Kieran
- Meaning & Origin: Irish name meaning dark or black-haired
- Nicknames: Kier
- Similar Names: Ciaran, Callan, Tiernan
15. Colm
- Meaning & Origin: Irish name meaning dove
- Nicknames: None needed
- Similar Names: Colin, Callum, Calvin
16. Lorcan
- Meaning & Origin: Irish name meaning little fierce one
- Nicknames: Lory
- Similar Names: Lachlan, Declan, Conan
17. Malachy
- Meaning & Origin: Irish name meaning messenger of God
- Nicknames: Mal
- Similar Names: Malcolm, Micah, Callahan
18. Shane
- Meaning & Origin: Irish name meaning God is gracious
- Nicknames: None needed
- Similar Names: Sean, Ian, John
19. Eamon
- Meaning & Origin: Irish name meaning wealthy protector
- Nicknames: None needed
- Similar Names: Edmund, Emmett, Aidan
20. Finnian
- Meaning & Origin: Irish name meaning fair
- Nicknames: Finn
- Similar Names: Finnegan, Flynn, Fintan
21. Tadhg
- Meaning & Origin: Irish name meaning poet or philosopher
- Nicknames: None needed
- Similar Names: Teague, Declan, Finn
22. Padraig
- Meaning & Origin: Irish name meaning nobleman
- Nicknames: Paddy, Pat
- Similar Names: Patrick, Peter, Padric
23. Tiernan
- Meaning & Origin: Irish name meaning lord or chief
- Nicknames: Tier
- Similar Names: Kieran, Ronan, Declan
24. Donal
- Meaning & Origin: Irish name meaning world ruler
- Nicknames: Don
- Similar Names: Donald, Conal, Ronan
25. Fintan
- Meaning & Origin: Irish name meaning white fire
- Nicknames: Finn
- Similar Names: Finnian, Finnegan, Flynn
26. Dara
- Meaning & Origin: Irish name meaning oak tree
- Nicknames: None needed
- Similar Names: Cormac, Daire, Declan
27. Keenan
- Meaning & Origin: Irish name meaning ancient
- Nicknames: Keen
- Similar Names: Kieran, Brennan, Aidan
28. Seamus
- Meaning & Origin: Irish form of James, meaning supplanter
- Nicknames: Shay
- Similar Names: James, Sean, Jamie
29. Nolan
- Meaning & Origin: Irish name meaning noble or famous
- Nicknames: Nole
- Similar Names: Colin, Ronan, Eoin
30. Callum
- Meaning & Origin: Irish name meaning dove
- Nicknames: Cal
- Similar Names: Colm, Malcolm, Caleb
31. Cathal
- Meaning & Origin: Irish name meaning battle ruler
- Nicknames: None needed
- Similar Names: Ciaran, Conall, Malachy
32. Brendan
- Meaning & Origin: Irish name meaning prince or little raven
- Nicknames: Bren
- Similar Names: Brandon, Brennan, Brian
33. Lachlan
- Meaning & Origin: Irish name meaning from the land of lakes
- Nicknames: Lach, Lanny
- Similar Names: Lorcan, Declan, Nolan
34. Conan
- Meaning & Origin: Irish name meaning little wolf
- Nicknames: None needed
- Similar Names: Ronan, Callan, Cormac
35. Colman
- Meaning & Origin: Irish name meaning little dove
- Nicknames: Cole
- Similar Names: Colm, Callum, Colin
36. Eoghan
- Meaning & Origin: Irish name meaning born of the yew tree
- Nicknames: None needed
- Similar Names: Owen, Eoin, Ethan
37. Fergal
- Meaning & Origin: Irish name meaning brave or valiant
- Nicknames: None needed
- Similar Names: Fergus, Finbar, Farrell
38. Dermot
- Meaning & Origin: Irish name meaning free man
- Nicknames: Derm
- Similar Names: Diarmuid, Donal, Declan
39. Aengus
- Meaning & Origin: Irish name meaning one strength
- Nicknames: Gus
- Similar Names: Fergus, Angus, Finn
40. Kian
- Meaning & Origin: Irish name meaning ancient or enduring
- Nicknames: None needed
- Similar Names: Keegan, Cian, Killian
41. Donnacha
- Meaning & Origin: Irish name meaning brown-haired warrior
- Nicknames: Don
- Similar Names: Donal, Cormac, Ronan
42. Farrell
- Meaning & Origin: Irish name meaning man of valor
- Nicknames: None needed
- Similar Names: Fergal, Finbar, Darrell
43. Oisin
- Meaning & Origin: Irish name meaning little deer
- Nicknames: None needed
- Similar Names: Sean, Eoin, Conan
44. Cormac
- Meaning & Origin: Irish name meaning charioteer
- Nicknames: Mac
- Similar Names: Colm, Ronan, Callum
45. Finbar
- Meaning & Origin: Irish name meaning fair-haired
- Nicknames: Finn
- Similar Names: Finnegan, Fintan, Fergus
46. Naoise
- Meaning & Origin: Irish name meaning warrior
- Nicknames: None needed
- Similar Names: Conall, Eoghan, Ronan
47. Turlough
- Meaning & Origin: Irish name meaning abettor or helper
- Nicknames: Turly
- Similar Names: Tiernan, Lorcan, Malachy
48. Fiachra
- Meaning & Origin: Irish name meaning raven
- Nicknames: Fia
- Similar Names: Fergus, Faolan, Ronan
49. Cathair
- Meaning & Origin: Irish name meaning warrior
- Nicknames: None needed
- Similar Names: Cathal, Cian, Dara
50. Ruairi
- Meaning & Origin: Irish name meaning red king
- Nicknames: Rory
- Similar Names: Rohan, Rowan, Ronan
51. Eanna
- Meaning & Origin: Irish name meaning bird-like
- Nicknames: None needed
- Similar Names: Aidan, Emmet, Eamon
52. Cian
- Meaning & Origin: Irish name meaning ancient
- Nicknames: None needed
- Similar Names: Kian, Ciaran, Colin
53. Lorcan
- Meaning & Origin: Irish name meaning little fierce one
- Nicknames: Lory
- Similar Names: Lachlan, Conan, Declan
54. Senan
- Meaning & Origin: Irish name meaning wise or old
- Nicknames: None needed
- Similar Names: Sean, Eoin, Finnian
55. Gearoid
- Meaning & Origin: Irish name meaning spear strength
- Nicknames: Gerry
- Similar Names: Gerard, Ronan, Conall
56. Breandan
- Meaning & Origin: Irish name meaning prince or little raven
- Nicknames: Bren
- Similar Names: Brendan, Brennan, Brandon
57. Caolan
- Meaning & Origin: Irish name meaning slender or fair
- Nicknames: Cael
- Similar Names: Colin, Keegan, Cillian
58. Faolan
- Meaning & Origin: Irish name meaning little wolf
- Nicknames: Fae
- Similar Names: Conan, Ronan, Fiachra
59. Diarmuid
- Meaning & Origin: Irish name meaning free man
- Nicknames: Derm
- Similar Names: Dermot, Declan, Dara
60. Artan
- Meaning & Origin: Irish name meaning little bear
- Nicknames: Art
- Similar Names: Arthur, Ronan, Cormac
61. Eirnin
- Meaning & Origin: Irish name meaning iron
- Nicknames: None needed
- Similar Names: Erin, Eamon, Emmet
62. Odhran
- Meaning & Origin: Irish name meaning little pale green one
- Nicknames: None needed
- Similar Names: Oran, Eoghan, Rowan
63. Teague
- Meaning & Origin: Irish name meaning poet
- Nicknames: None needed
- Similar Names: Tadhg, Cian, Ronan
64. Rafferty
- Meaning & Origin: Irish name meaning prosperous
- Nicknames: Raff
- Similar Names: Rafe, Ronan, Flynn
65. Donagh
- Meaning & Origin: Irish name meaning brown warrior
- Nicknames: Don
- Similar Names: Donal, Conall, Dara
66. Blane
- Meaning & Origin: Irish name meaning slender
- Nicknames: None needed
- Similar Names: Blaine, Callan, Declan
67. Ailill
- Meaning & Origin: Irish name meaning elf or sprite
- Nicknames: None needed
- Similar Names: Finn, Lorcan, Fergus
68. Manus
- Meaning & Origin: Irish name meaning great
- Nicknames: None needed
- Similar Names: Magnus, Malachy, Callum
69. Ciaran
- Meaning & Origin: Irish name meaning dark-haired
- Nicknames: Ciar
- Similar Names: Kieran, Callan, Ronan
70. Odran
- Meaning & Origin: Irish name meaning pale green
- Nicknames: None needed
- Similar Names: Oran, Rowan, Eoin
71. Finnegan
- Meaning & Origin: Irish name meaning fair or white
- Nicknames: Finn
- Similar Names: Finnian, Fintan, Flynn
72. Eanna
- Meaning & Origin: Irish name meaning bird-like
- Nicknames: None needed
- Similar Names: Emmet, Aidan, Eamon
73. Brian
- Meaning & Origin: Irish name meaning noble or high
- Nicknames: Bri
- Similar Names: Brendan, Ronan, Callum
74. Cianan
- Meaning & Origin: Irish name meaning ancient
- Nicknames: Cian
- Similar Names: Kian, Eoin, Finnian
75. Tierney
- Meaning & Origin: Irish name meaning lord or chief
- Nicknames: None needed
- Similar Names: Tiernan, Tadhg, Fintan
76. Cathan
- Meaning & Origin: Irish name meaning battle
- Nicknames: None needed
- Similar Names: Ciaran, Cathair, Colin
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