9BabyNames Baby names with meanings & US popularity data

Sinclair

Pronunciation
[Sin-clair]
Gender
Male
Meaning
St. Clair.
Origin
English
The name of a place in northern France.

Sinclair Popularity Snapshot

Across the entire US Social Security Administration record (1880–2024), 1,421 baby boys have been named Sinclair. The name peaked in 1924 with 29 US births that year (rank #1409). In 2024, ranked #6755 nationally — 5,346 places below its 1924 peak.

Top States for Sinclair

Based on 1910–2024 US SSA state-level records, the three states with the most Sinclair births are: South Carolina (89), New York (22), Florida (6).

Other English-Origin Names Like Sinclair

If you like Sinclair's English origin, consider these related names: Aaric, Aarika, Aarshiya, Aase, Aasiya. Browse all English names →

8-Letter Names Starting with S

Names with Sinclair's exact length and starting letter: Saeweard, Safia, S, Safiyyah, Sagremor, Salhdene.

Quick Facts About Sinclair

5,642
English baby names in our dictionary
3,391
English male names
175
8-letter S-names in our dictionary
691
S-male names total
Not in registry
US SSA records — name appears fewer than 5 times in any year

Variant Forms

NameMeaningGenderOrigin
Sinclaire St. Clair. Male English

Looking for names like Sinclair?

A dedicated page with 60+ related names — spelling variants, rhymes, alliterations, same-origin matches, and shared meaning concepts — lives at its own URL so each kind of similarity gets a deeper treatment than fits here.

See all names like Sinclair →

Compare Sinclair to Other Popular Names

Side-by-side popularity charts and crossover years for Sinclair against today's most popular boys-name peers (top 8 by US births in the last 10 years of SSA records).

Compare to a different name →

Sinclair Baby Name Ideas