👶
The perfect name is out there — we're here to help you find it.
Irish names starting with O include some of the most distinctive names in this tradition. Whether you're drawn to Irish heritage or simply love the sound, these names all carry the cultural depth that makes Irish-origin names so enduring.
Irish names starting with O — quick facts
- 7 Irish names begin with the letter O
- 3 girl names, 4 boy names
- Irish names are known for their distinct cultural identity
- All names include full etymology and current popularity data
Irish Girl Names Starting With O
3 girl names
Get your free baby name shortlist
Tell us your style, we'll send 20 names you'll love — curated, not generated.