Boy name
Seamus
As of 2025, Seamus ranks #1276 among American boys' names, according to Social Security records. 154 boys received the name that year. Its position has barely moved over the past five years — a sign of steady, established appeal. SSA records for Seamus go back to 1957; the peak came in 2003 at #734, with 248 babies named that year. Geographically, it's strongest in Massachusetts, where it ranks #289 among boy names.
Rankings
2025 rank
#1276
among boy names
Trend
Stable
last 5 years
All-time peak
#734
in 2003 (2000s)
Babies in 2025
154
boys named Seamus
Seamus popularity, 1880–2025
Where Seamus is most popular
Share of boys born in 2025:lowhighno data (< 5 births)
Strongest states: Massachusetts (#289), Pennsylvania (#546), Missouri (#709)
Uniqueness score
58/ 100Balanced
everywhereone of a kind
Well known, but far from crowded — the middle of the field. Based on how many babies per birth were named Seamus in the most recent year of SSA data.
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