The first name Oisin
A boy’s name from Irish.
2 syllables Male
Meaning and origin
Irish origin
Popularity
Babies registered in England and Wales, 1996–2025
In 2025, 75 boys were named Oisin, making it the 517th most popular boys’ name. It peaked in 2021, with 96 births (#433).
Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Oisin with other names.
Popularity in the United States
Babies named Oisin at birth, 1880–2025
In 2025, 22 boys born in the United States were named Oisin, the 4,660th most popular boys’ name that year. It was used most in 2020, when 31 were.
US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.
More Irish boys’ names
Questions
- What is the origin of the name Oisin?
- Oisin comes from Irish.
- How popular is the name Oisin?
- In 2025, 75 boys born in England and Wales were named Oisin, ranking 517th. Its peak was 2021, with 96 births.
- Is Oisin a boy's or a girl's name?
- Mostly a boy's name: 100% of the 513 US babies named Oisin since 1880 were boys.
- When was Oisin most popular?
- 2020 in the United States, when 31 babies were named Oisin, its highest rank at 3,547th.
- What name is Oisin a form of?
- Oisin is a form of Ossian.