How Common is the First Name Sincere?
We estimate that there are 11,472 people named Sincere who are currently alive and were born in the United States. Sincere is the 1,064th most common for men, and the 2,273rd most common overall.
How Old are People Named Sincere?
The average person named Sincere is 11.47 years old.
Is Sincere a Popular Baby Name Right Now?
489 people named Sincere were born in the U.S. in 2025. It was the 628th most popular name for boys, and the 1,187th most popular overall.
The popularity of Sincere peaked in 2022, when it was the 542nd most popular name for baby boys.
Is Sincere a Boy's Name or a Girl's Name?
Sincere is a unisex name, but more common for men. 87.3% of people named Sincere are male, while 12.7% are female.