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Home › Baby Names Directory › Sinclair

Sinclair

♂ Boy

Pronounced sin-KLAIR /sɪnˈklɛr/Medium

Meaning: From the Scottish/Norman surname Sinclair — 'from Saint-Clair', a place named for Saint Clarus (Latin clarus, 'bright; clear; famous')Low

In 30 seconds: From Saint-Clair; bright; clear: Sinclair is a Scottish/French surname. Crisp, classic, and warm (said 'sin-KLAIR').
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Origin LowLatin, French
MeaningFrom the Scottish/Norman surname Sinclair — 'from Saint-Clair', a place named for Saint Clarus (Latin clarus, 'bright; clear; famous')
U.S. rank (2025)#6400 ↗ Rising
2025 U.S. births14 boys (0.00% of U.S. boys)
Peak year1924
Total births (all-time)≈ 1,435

Popularity in the U.S. · SSA data

peak 192419002025

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Sinclair comes from the Scottish/Norman surname Sinclair — 'from Saint-Clair', a Norman place named for Saint Clarus, from Latin clarus, 'bright; clear; famous'. A great Scottish clan name. A crisp, classic name (said 'sin-KLAIR'; nickname Sin).

In the U.S. it appears thinly. Rare, from-Saint-Clair at the root, and classic.

Did you know? Sinclair comes from 'Saint-Clair', a Norman place named for Saint Clarus, from Latin clarus, 'bright; clear; famous' — a crisp, classic Scottish clan surname (said 'sin-KLAIR').
Overall data confidence 52%
References — Sinclair — surname etymology

Variations

SinclaireSt. Clair

Nicknames

Sin

Famous Bearers

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If you like Sinclair…

Montgomery— a fellow Scottish/Norman surname boys' name
Fletcher— a companion surname boys' name
Blair— another Scottish surname boys' name
Syncere— shares Sinclair's Latin roots
Santi— a similarly popular pick

Explore names like Sinclair

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Frequently Asked

What does the name Sinclair mean?

Sinclair is a Scottish/French surname — 'from Saint-Clair' (Latin 'bright; clear').

How do you pronounce Sinclair?

It's said sin-KLAIR /sɪnˈklɛr/ — two syllables, stress on the second.

Is Sinclair a boy or girl name?

Sinclair is most often a boy's name.

How popular is Sinclair?

Sinclair is a rare name in the U.S.

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