Given name & surname
Sinclaire
“man from Saint Clair”
Sinclaire is a variant of Sinclair. One English interpretation is “man from Saint Clair.”
Meaning & origin
What it means
Sinclaire is a variant of Sinclair. One English interpretation is “man from Saint Clair.”
Explained through its name family
Where it comes from
Sinclaire is a variant of Sinclair. An origin associated with Sinclair is Scottish.
Explained through its name family
The story
Published U.S. birth records include this spelling as early as 1994. This is the earliest published observation available here, rather than a date for the name’s origin. Sinclaire is a variant of Sinclair. The history of Sinclair gives this family its wider story. The Sinclair surname connects with a Norman family associated with Saint-Clair in northern France and later with the earldoms of Caithness and Orkney. The novelist Sinclair Lewis may have encouraged its twentieth-century use as a first name.
Combines direct and name-family evidence
Sinclaire through the years
- Babies since 1880
- 229
- 0 boys · 229 girls
- Most popular year
- 1995
- 20 babies
- 2025
- 8
- #11,791 for girls
- 2021–25 vs 2016–20
- +28%
- Rising
By the numbers
In 2025, this name appeared in 8 U.S. birth records for girls, ranking No. 11,791 among girls’ names. The recent annual counts are too incomplete to establish a ten-year comparison. Its largest published annual count for girls was 20 in 1995. Published U.S. population figures for this spelling include 239 as a first name in 2020; 288 as a surname in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Sinclaire’s family of names
Sinclaire has a related form in Sinclair.
The ring: nicknames and forms.
Nicknames & forms 1
Diminutives, pet forms, short forms and variants used alongside the name.
Similar names
If you love Sinclaire, these share its style, era, origin or sound, from outside its own family.