13,244births recorded
2Countries
2Variants
2022Peak · United States
#628United States 2025
Sincere is a boy name family recorded 13,244 times in 2 countries since 1906. It ranks highest today in the United States (#628 in 2025). Its all-time peak was in the United States in 2022, at 22.4 births per 100,000.
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
Which form wins where
Births per 100,000 newborns for each form, in the selected country.
All forms of Sincere
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Sincere | English | 10,095 | 🇺🇸 United States | #628 | 2022 | ▲ 17 % |
| Sincere | English | 15 | 🇫🇷 France | – | 1906 | – |
| Syncere | English | 3,134 | 🇺🇸 United States | #1193 | 2022 | ▲ 64 % |
How we grouped these names
- Sincere ↔ Syncere — spelling variant
Questions about Sincere
How popular is the name Sincere?
In 2025 it ranked #628 in the United States. Official registers record 13,244 births across 2 countries.
What is Sincere in other languages?
Syncere (English).
When was Sincere most popular?
It peaked in the United States in 2022, at 22.4 births per 100,000.
Is Sincere a boy or a girl name?
In official birth registers, Sincere is a boy name.