1,565births recorded
3Countries
1Variants
1977Peak · Scotland
#6143United States 2025
Sinclair is a boy name family recorded 1,565 times in 3 countries since 1900. It ranks highest today in the United States (#6143 in 2025). Its all-time peak was in Scotland in 1977, at 8.5 births per 100,000.
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
All forms of Sinclair
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Sinclair | English | 1,435 | 🇺🇸 United States | #6143 | 1900 | ▲ 56 % |
| Sinclair | English | 125 | 🇫🇷 France | – | 1998 | – |
| Sinclair | English | 5 | 🏴 Scotland | – | 1977 | – |
Questions about Sinclair
How popular is the name Sinclair?
In 2025 it ranked #6143 in the United States. Official registers record 1,565 births across 3 countries.
When was Sinclair most popular?
It peaked in Scotland in 1977, at 8.5 births per 100,000.
Is Sinclair a boy or a girl name?
In official birth registers, Sinclair is a boy name.