The baby name Oisin is a Male name , 2 syllables long and is pronounced /ɔˈʃiːn/ (OH-sheen; often anglicized as uh-SHEEN).
Oisin is Irish in Origin.
The baby name Oisin is a Male name , 2 syllables long and is pronounced /ɔˈʃiːn/ (OH-sheen; often anglicized as uh-SHEEN).
Oisin is Irish in Origin.
Oisín is an Irish Gaelic masculine name formed from Old Irish os/oss "deer" plus the diminutive -ín, yielding the meaning "little deer" or "fawn." The standard Irish spelling is Oisín; common anglicized forms are Oisin and the phonetic Osheen. Related variants include Scottish Gaelic Oisean and the literary Ossian, popularized in the 18th century; Scandinavian Ossian later entered separate use.
In Irish myth, Oisín is the son of Fionn mac Cumhaill and Sadhbh, a poet‑warrior of the Fianna whose love Niamh carries him to Tír na nÓg; in later tales he debates Christianity with Saint Patrick. This figure helped sustain the name in tradition. Usage dipped under anglicization but revived with the Gaelic Revival and remains strong in modern Ireland, with growing recognition in Britain and beyond. The name suggests nature, artistry, heroism, and youthful vigor.
Based on birth registration data from national statistics agencies.
| Country | Gender | Year | Rank | Born | of |
|---|---|---|---|---|---|
| Ireland | Boys | 2025 | #1 | — | 836 |
| Canada | Boys | 2024 | #295 | 12 | 2,588 |
| PE | 0 | #329 | 1 | 6,350 | |
| DK | Boys | 0 | #332 | 1 | 7,401 |
| MY | 0 | #354 | 1 | 12,352 | |
| HK | 0 | #357 | 1 | 8,483 | |
| PT | Boys | 0 | #381 | 1 | 7,951 |
| France | Boys | 2020 | #389 | 3 | 2,846 |
| EG | 0 | #412 | 1 | 6,387 | |
| CR | Boys | 0 | #510 | 1 | 10,188 |
| HK | Boys | 0 | #557 | 1 | 12,905 |
| BH | 0 | #587 | 1 | 17,937 | |
| QA | Boys | 0 | #743 | 1 | 18,093 |
| United States | Boys | 2024 | #867 | 26 | 7,044 |
| MY | Girls | 0 | #1,072 | 1 | 24,821 |
| AE | Boys | 0 | #1,143 | 1 | 22,615 |
| MY | Boys | 0 | #1,182 | 1 | 25,439 |
Oisin is popular in 13 countries — most recent births per country:
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