An estimated 9,994 living Americans are named Sincere.
How rare is Sincere?
Sincere is uncommon among babies today, with 445 boys receiving the name in 2025, down 18.3% from its 2022 peak.
How old is the typical Sincere?
The median age of a living American named Sincere is approximately 11 years, with most bearers falling between 6 and 18 years old.
Is Sincere still popular?
Yes. Sincere is holding steady, with 445 births in 2025 and a consistent recent baseline.
Peak year
2022
Decline from peak
18.3%
2025
445
All-time
10,095
Diaspora map
Sincere broke out in Illinois, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, and Virginia (2010) and became over-represented in 12 states over 12 years.
Broke out: Illinois, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, and Virginia, 2010 · over-represented in 12 states over 12 years
