Onisim
- Gender
- Boy
- Say it
- oh-NEE-sim
- Origin
- Greek
- Style
- New arrival
Onisim is a boys' name of Greek origin, meaning “useful”. Too few babies were given it in the latest year to rank.
What does Onisim mean?
Greek: Russian form of Onesimus, from Greek Onesimos
“useful”
Russian form of Onesimus, the slave for whom Paul pleads in his Letter to Philemon.
Is Onisim a girl's or a boy's name?
Onisim is a boys' name.
How popular is Onisim in the UK?
No boys in the UK were given it in 2025, or too few to be listed. Its busiest year was 2024, with 4 boys.
Onisim in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2024 | 4 | #4,346 |
| 2023 | 3 | #5,193 |
| 2022 | 0 | – |
| 2021 | 3 | #4,989 |
Names like Onisim
Names given in the same years and the same naming tradition, with a similar sound.
Achim, Chidubem, Obi, Om, Obaloluwa, Oluwatobiloba, Oluwadarasimi, Oluwadunsin, Oluwatobi, Oluwademilade, Oluwafikayomi, Oluwatamilore
More Greek names
Luca, Theodore, Sophia, George, Theo, Lucas, Sofia, Alexander, Sebastian, Penelope, Phoebe, Margot, Luke, Chloe, Sophie, Zoe
Sources
Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland) and Baby names (Northern Ireland Statistics and Research Agency). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Onisim: name meaning, origin and popularity”, https://www.nameling.co.uk/names/onisim, updated 20 October 2026.