Sinclaire
Girl nameSinclaire has been given to 229 babies in the U.S. since 1994. It peaked in 1995. In 2025, about 1 in 200,908 girls was named Sinclaire.
Popularity over time births per year, 1880–2025
Total babies
229
Peak year
1995 (20 babies)
Rank in 2025
Below top 1000
First recorded
1994
10-year trend
New / returning
Gender split
All girls
Spellings & variants
Names one letter away from Sinclaire — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Sinclaire.
Sibling name ideas for Sinclaire
Same era and popularity as Sinclaire, avoiding matching initials or rhymes.
FAQ
How popular is the name Sinclaire?
Sinclaire has been given to 229 babies in the U.S. since 1994. It ranked below the top 1000 in 2025.
When did the name Sinclaire peak?
Sinclaire peaked in 1995, when 20 babies were given the name.
Is Sinclaire a girl or boy name?
Sinclaire is primarily a girl name (100% of babies named Sinclaire are girls).
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