Oisin
Meaning: “deer”
About the name Oisin
Oisin is a boy name with Irish roots, meaning “deer”. It is related to Ossian, which is where the meaning comes from.
It has a unique, nature feel. In 2025, Oisin ranked #4660 for boys in the US, with 22 babies given the name. Its peak year since 1940 was 2020. Since 2000, 100% of US babies named Oisin were boys.
Etymology
A variant of Ossian, which comes from Irish, meaning “deer”.
Name meaning adapted from Wiktionary (“Oisin”, “Ossian”) by Wiktionary contributors, CC BY-SA 4.0.
- US rank 2025
- #4660
- In 2015
- #5669
- Babies in 2025
- 22
Popularity of Oisin, 1940–2025
Latest SSA data: 2025.
Popularity data: U.S. Social Security Administration national baby names (public domain; names given to at least 5 babies of one sex per year).
Names similar to Oisin
Name meanings marked or linked “Wiktionary” are adapted from Wiktionary by Wiktionary contributors, CC BY-SA 4.0; each name page links its source entry.