Gender: Boy
Meaning: Little seal — small but full of spirit
Origin: Irish Gaelic
Popularity: Ranked #8131 in 2024 with 10 babies born.
History: A variant or related form of Ronan. Shares the meaning 'Little seal.'
Similar names: ona, onna, oona, ohana, ohanna, olan, olana, olani
Name length: 4 letters
How common is Onan? About 1 in 332,850 babies born in 2024 were named Onan, or roughly 0 per day in the United States.
Explore more baby names at BabyNa.me — 29,000+ names with meanings, origins, and popularity trends.