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.