boy (SSA Category)Latin OriginUS Rank #19 in 2025

Leo

Alternative forms & variants: Leon, Leonardo

Verified Meaning & Etymology

“Lion; representing nobility, courage, and fierce strength”

Linguistic heritage: Latin

Pronunciation

English Phonetic:LEE-oh

IPA (US English):/ˈliːoʊ/

Source: Carnegie Mellon Pronouncing Dictionary (en-US)

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Peak Popularity20228,293 births in peak year

2025 US Rank#198,196 births in 2025

Total US Registrations262,124Recorded since 1880

Demographic Ratio99% MaleBased on SSA application records

Historical US Popularity Trajectory

Annual recorded US births from 1880 to 2025 (US Social Security Administration)

Peak US Popularity2022 (8,293 births)

Earliest RecordYear 1880

Recent 2025 Level8,173 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 Leo

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 →