Rex
Verified Meaning & Etymology
“King”
Linguistic heritage: Latin
Pronunciation
English Phonetic:REHKS
IPA (US English):/ˈrɛks/
Source: Carnegie Mellon Pronouncing Dictionary (en-US)Peak Popularity19511,503 births in peak year
2025 US Rank#859281 births in 2025
Total US Registrations60,590Recorded since 1880
Demographic Ratio100% MaleBased on SSA application records
Historical US Popularity Trajectory
Annual recorded US births from 1880 to 2025 (US Social Security Administration)
Peak US Popularity1951 (1,503 births)
Earliest RecordYear 1880
Recent 2025 Level281 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 Rex
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 →