Sheehan
Sheehan is the Anglicisation of the Irish Gaelic surname Ó Síodhacháin, meaning the peaceful one. It is most common in counties Cork, Kerry and Limerick. It is the 77th most common surname in Ireland.
Meaning & Origin of Sheehan
What this name means, where it came from, and how it has traveled across cultures.
Sheehan is the Anglicisation of the Irish Gaelic surname Ó Síodhacháin, meaning the peaceful one. It is most common in counties Cork, Kerry and Limerick. It is the 77th most common surname in Ireland.
Source: Wikipedia (CC BY-SA 3.0). Read more →
The Story of Sheehan
As a girl name
Sheehan first appeared in U.S. Social Security Administration records as a girl name in 1989, with 5 babies given the name that year. Its peak popularity came in 1989, when 5 Sheehans were born — ranking #12,360 that year. As of 2026, Sheehan ranks #12,360 for girls with 5 births, with steady use. In total, more than 5 Sheehans have been born in the U.S. since records began in 1880, spanning the 1980s through the 2020s.
As a boy name
Sheehan first appeared in U.S. Social Security Administration records as a boy name in 1983, with 7 babies given the name that year. Its peak popularity came in 2001, when 12 Sheehans were born — ranking #5,667 that year. As of 2026, Sheehan ranks #12,551 for boys with 5 births, with steady use. In total, more than 69 Sheehans have been born in the U.S. since records began in 1880, spanning the 1980s through the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Sheehan
Phonetically similar names — useful when Sheehan is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Sheehan
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About the name Sheehan
Sheehan is a unisex baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1983 and has accumulated 69 births in the dataset. Sheehan's peak popularity came in 2001 when it ranked #5,667. Use the chart and map above to compare Sheehan's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
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Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.