Sincere
How to say it: sin-SEER · /sɪnˈsɪr/
From English vocabulary word 'sincere', from Latin sincerus meaning 'pure, whole, genuine'.
Sincere was the 485th most popular boys’ name in the United States in 2025, given to 445 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up about 13% in ten years, and it is projected to rise to #468 by 2030.
Updated · SSA 2025 data, published May 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #485 |
|---|---|
| Babies born in 2025 | 445 |
| Share of births | 1 in 5,390 |
| Peak decade | 2020s |
| Change over 10 years | +13% |
| Projected rank for 2030 (estimate) | #468 |
Sources: Social Security Administration (SSA). How we compute these figures.
Its life, decade by decade
Belonging almost entirely to recent decades, Sincere rose quickly from novelty to regular use. The 2020s mark its high point so far, with further growth likely ahead.
What goes with it
Breathy and smooth with a gentle virtue meaning behind it. Braven shares its modern spirit.
Nicknames
- Sin
- Cere
Honouring a Sincere in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Sincere is about under 1 in 200.
Around the world
This spelling is used in English.
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