Home › Baby Names Directory › Sinclaire
Sinclaire
Pronounced sin-KLAIR /sɪnˈklɛər/Medium
Meaning: A variant spelling of the surname Sinclair, from the French Saint-Clair, 'holy; bright; clear' (from Latin clarus, 'clear; bright; famous'). A polished surname-name.Low
Popularity in the U.S. · SSA data
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
Sinclaire is a variant of Sinclair, from Saint-Clair, 'bright; clear; famous' (Latin clarus). It reads as an elegant surname-name in modern given-name use — rare in the U.S. (said 'sin-KLAIR').
It appears only rarely as a first name. Rare, polished, and elegant.
Variations
Nicknames
Famous Bearers
- Famous bearers coming soon.
If you like Sinclaire…
Explore names like Sinclaire
Frequently Asked
What does the name Sinclaire mean?
Sinclaire is a form of Sinclair, from Saint-Clair, 'holy; bright; clear.'
How do you pronounce Sinclaire?
It's said sin-KLAIR /sɪnˈklɛər/ — two syllables, stress on the second.
Is Sinclaire a boy or girl name?
Sinclaire is used here for a girl; Sinclair itself can be unisex.
How popular is Sinclaire?
Sinclaire is a rare name in the U.S.