boy (SSA Category)Irish Origin Hebrew Origin

Seamus

Verified Meaning & Etymology

“Supplanter”

Linguistic heritage: Irish

Pronunciation

English Phonetic:SHAY-muhs

IPA (US English):/ˈʃeɪ.məs/

Source: Carnegie Mellon Pronouncing Dictionary (en-US)

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Peak Popularity2008298 births in peak year

2025 US Rank#1280154 births in 2025

Total US Registrations7,809Recorded since 1880

Demographic Ratio100% MaleBased on SSA application records

Historical US Popularity Trajectory

Annual recorded US births from 1960 to 2025 (US Social Security Administration)

Peak US Popularity2008 (298 births)

Earliest RecordYear 1960

Recent 2025 Level154 births

Data source: United States Social Security Administration (1880–2025). The SSA privacy policy suppresses counts under 5. Data indicates biological sex entered on Social Security applications.

Names Similar to Seamus

Calculated deterministically based on shared linguistic origins, styling, and popularity tier.

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Source Citations & Review Provenance

Demographic Data:

United States Social Security Administration (SSA) National Data (1880–2025). Counts reflect 100% of Social Security card applications where year, sex, and state of birth are recorded.

Linguistic Derivation:

Meanings cross-referenced with Wiktionary (CC BY-SA 4.0) and Nurturepedia (MIT). Phonetics audited against the Carnegie Mellon University Pronouncing Dictionary (BSD).

Last reviewed by editorial check: 2026-10-28Submit a factual correction or inquiry →