Fawn or little deer, through the Irish Oisín name tradition.
The English Oisin entry explicitly links the name to Ossian. Ossian traces the family to Irish Oisín, and the exact Irish name entry derives it from the fawn word oisín, combining deer and a diminutive suffix. The Irish accented form and English adaptations retain separate spelling statistics.
Origin
Irish, in English given-name use
The reviewed English entry identifies Oisin as an Irish-derived male name and a variant of Ossian. These spellings retain separate popularity series.
English pronunciation
Not yet published for this spelling.
Published name usage
Counts apply only to the exact spelling, place, year and recorded usage shown. Places are separate; these figures are never added into a worldwide total. Missing or suppressed records never mean zero.
Latest published record available for this spelling in each place and recorded usage
Place
Year
Recorded usage
Published births
Rank
Notes
Canada
2025
Boys
19 · preliminary
1251
2025 figures are preliminary. Quebec counts below five are randomly imputed by the publisher before national aggregation. Accents are removed in the source; this profile was matched only where the catalog spelling was unambiguous. Unpublished values are unknown, not zero. Rank basis: source published.
France
2024
Boys
5 (rounded to 5)
5943
Counts are rounded to the nearest multiple of five. Ranks use unrounded publisher counts with randomly ordered ties; equally rounded counts can have different ranks. National coverage excludes Mayotte before 2012. Missing years are unavailable, not zero. Automated direction labels are withheld for this rounded-count series. Rank basis: source published.
England & Wales
2025
Boys
75
517
Source-reported counts; unpublished names are not zero. Rank basis: source published.
Northern Ireland
2025
Boys
108
6
Source-reported counts; unpublished names are not zero. Rank basis: source published.
Scotland
2025
Boys
15
262
Source-reported counts; unpublished names are not zero. Rank basis: source published.
Ireland
2025
Boys
17
262
Names below three occurrences are unpublished. Accent recording changed in 2018; comparisons across that boundary may not describe the same spelling coverage. Counts refer to registrations in the year. Missing years are unavailable, not zero. Rank basis: source published.
United States
2025
Boys
22
4539
Source-reported counts; unpublished names are not zero. Rank basis: calculated from published counts.
Canada, Ireland and France coverage includes confidently matched existing profiles only; unmatched spellings are awaiting review. French counts are rounded to five.
Sources & notes
Open an entry for its source, credit, licence and full qualifications. Different name traditions remain separate.
Meaning: Fawn or little deer, through the Irish Oisín name tradition.
Checked against cited source
The English Oisin entry explicitly links the name to Ossian. Ossian traces the family to Irish Oisín, and the exact Irish name entry derives it from the fawn word oisín, combining deer and a diminutive suffix. The Irish accented form and English adaptations retain separate spelling statistics.
Credit: Wiktionary contributors. Adapted by Rare Baby Names: wording shortened and name contexts separated. Recorded pronunciations are shown as published.
This adapted text is available under CC BY-SA 4.0.
CC BY-SA 4.0
Origin: Irish, in English given-name use
Checked against cited source
The reviewed English entry identifies Oisin as an Irish-derived male name and a variant of Ossian. These spellings retain separate popularity series.
Credit: Wiktionary contributors. Adapted by Rare Baby Names: wording shortened and name contexts separated. Recorded pronunciations are shown as published.
This adapted text is available under CC BY-SA 4.0.
CC BY-SA 4.0
Related name: Oisín
Checked against cited source
The reviewed English Oisin/Ossian chain and Irish given-name entry establish the relationship. This is source-backed ancestry, not an automatic accent-insensitive merge.
Credit: Wiktionary contributors. Adapted by Rare Baby Names: wording shortened and name contexts separated. Recorded pronunciations are shown as published.
This adapted text is available under CC BY-SA 4.0.
CC BY-SA 4.0
Supporting evidence: Oisín: Irish given name and fawn derivation
Checked against cited source
Supporting evidence for this specific name tradition. Adapted from Wiktionary contributors; parent-name pronunciations and statistical identities are not automatically transferred.
Credit: Wiktionary contributors. Adapted by Rare Baby Names: wording shortened and name contexts separated. Recorded pronunciations are shown as published.
This adapted text is available under CC BY-SA 4.0.
CC BY-SA 4.0
Supporting evidence: Ossian: English adaptation of Irish Oisín
Checked against cited source
Supporting evidence for this specific name tradition. Adapted from Wiktionary contributors; parent-name pronunciations and statistical identities are not automatically transferred.
Credit: Wiktionary contributors. Adapted by Rare Baby Names: wording shortened and name contexts separated. Recorded pronunciations are shown as published.
This adapted text is available under CC BY-SA 4.0.
CC BY-SA 4.0
Spelling variant: Ossian
Checked against cited source
English given-name relationship. These spellings remain separate in popularity statistics.
Credit: Wiktionary contributors. Adapted by Rare Baby Names: wording shortened and name contexts separated. Recorded pronunciations are shown as published.
Statistics Canada, Table 17-10-0147-01, 1991–2025, released 23 September 2026.
Credit: Statistics Canada, Table 17-10-0147-01, 1991–2025, released 23 September 2026.
License: Statistics Canada Open Licence
Adaptation: Adapted from Statistics Canada, First names at birth by sex at birth, selected indicators, Table 17-10-0147-01, reference years 1991–2025. This does not constitute an endorsement by Statistics Canada of this product.
Central Statistics Office, Ireland, VSA50 and VSA60, updated 27 February 2026.
Credit: Central Statistics Office, Ireland, VSA50 and VSA60, updated 27 February 2026.
License: CC BY 4.0
Adaptation: Adapted by Rare Baby Names: joined the published count and rank indicators and matched unambiguous existing spellings. Source values retained.
Source : Insee, Fichier des prénoms, updated 16 July 2026.
Credit: Source : Insee, Fichier des prénoms, updated 16 July 2026.
License: Open Licence 2.0 (Etalab)
Adaptation: Adapted by Rare Baby Names: column names and sex codes mapped and unique case-only spellings matched to existing profiles. Published rounded counts and ranks retained.