How old is someone named Sincere?
The average Sincere is 13 years old.
Half of all living Sinceres are between 6 and 18.
When was Sincere popular?
Sincere is a modern favorite: it climbed through the 2000s and hit its high in 2022. 489 babies got the name in 2025.
Popular names of 2022 · The most popular names of the 2020s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1970s | 5 | under 100 |
| 1980s | 5 | under 100 |
| 1990s | 229 | 230 |
| 2000s | 3,494 | 3,400 |
| 2010s | 4,715 | 4,700 |
| 2020s | 3,119 | 3,100 |
How many Sinceres are still alive?
About 11,000 Sinceres are alive in the US today. That's 99% of the roughly 12,000 babies named Sincere since 1976.
Nearly every Sincere ever born is still alive, because almost all of them are young.
What generation is the name Sincere?
More than half of living Sinceres are in Gen Alpha, born in 2013 or later.
Is Sincere an old name?
No. Sincere is one of the youngest names around: younger than 89 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Sincere will be 27 in 2056, so the name is aging slowly.
Is Sincere a boy or girl name?
Mostly a boy's name: 87% of living Sinceres are men, and 13% are women.
The women average 15 and the men 12.
Names the same age as Sincere
NAME TWIN
Sincere's name twin is Anaya. Of all 3,713 names on AgeByName, Anaya's age curve is the closest match to Sincere's: 95% alike.
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Questions about the name Sincere
How old is the average Sincere?
The average Sincere in the US is 13 years old. The median is 12, so half are older and half younger.
How many people are named Sincere?
About 11,000 Sinceres are alive in the US today, out of roughly 12,000 babies given the name since 1976.
When was the name Sincere most popular?
In 2022, when about 580 baby boys were named Sincere.
Is Sincere a Gen Alpha name?
Yes. About 57% of living Sinceres are in Gen Alpha, born in 2013 or later.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this