Irish Baby Names Starting with O, with Meanings

Popular and traditional Irish names that start with “O”, with meanings and origin. 7 names.

All 👦 Boys 👧 Girls 🧒 Unisex

Name	Meaning	Gender	Origin
Oakley	Oak meadow	👦 Boy	English
Oisín	Little deer	👦 Boy	Irish
Oliver	Olive tree	👦 Boy	International
Olivia	Olive tree	👧 Girl	International
Oona	Lamb; Unity	👧 Girl	Irish
Orla	Golden princess	👧 Girl	Irish
Oscar	Divine spear; Friend of deer	👦 Boy	International