Sincere
Sincere was the 631st most popular name for boys in 2025, given to 445 babies. Its best year was 2022, when it ranked 544th with 545 babies. Over the last ten years it has moved down 3 places. More babies were named Sincere in the 2010s than in any other decade.
Meaning sincere (English virtue word) · English, Latin
Say it sin-SEER /sɪnˈsɪr/
- Rank in 2025
- #631 boys, down 29 places since 2020
- Babies in 2025
- 445boys
- Girls and boys
- 8% girls, 92% boys2021–2025
- Peak year
- 2022545 babies
- Total since 1880
- 11,567babies recorded
What does the name Sincere mean?
Sincere is a modern American virtue name, taken from the English adjective meaning genuine, honest and heartfelt. The word comes from Middle French sincere and Latin sincerus, genuine or pure. Wiktionary and the American Heritage Dictionary trace sincerus to Indo-European roots, and Wiktionary rejects the popular story that it meant "without wax" (sine cera). As a boys' name Sincere appears in US records from the 1970s.
sincērus (Latin, “genuine, pure”)
How sure is this? Well established.
Other explanations you may read: From Latin sine cera, 'without wax' (said of honest sculptors). Wiktionary calls this a folk etymology..
Related names: Sincerity.
See also: English names, virtue names.
Sources for this meaning
- Wiktionary, entry 'sincere' (English section), Wiktionary (CC BY-SA 4.0; facts restated, no text reused)
- The American Heritage Dictionary of the English Language, 5th ed., entry 'sincere' (etymology), HarperCollins / Houghton Mifflin Harcourt
- US Social Security Administration, national baby-name data 1880-2025 (yob*.txt), team3 computation of first year recorded, US Social Security Administration (public domain)
Sincere popularity since 1880
| Year | Rank (girls) | Rank (boys) | Babies (girls) | Babies (boys) |
|---|---|---|---|---|
| 2025 | #3,510 | #631 | 44 | 445 |
| 2020 | #3,010 | #602 | 54 | 455 |
| 2010 | #2,164 | #642 | 91 | 377 |
| 2000 | #2,704 | #849 | 55 | 189 |
| 1990 | — | — | — | — |
| 1980 | — | — | — | — |
| 1970 | — | — | — | — |
| 1960 | — | — | — | — |
| 1950 | — | — | — | — |
| 1940 | — | — | — | — |
| 1930 | — | — | — | — |
| 1920 | — | — | — | — |
| 1910 | — | — | — | — |
| 1900 | — | — | — | — |
| 1890 | — | — | — | — |
| 1880 | — | — | — | — |
How popular is Sincere, counting every spelling?
Sincere is the most common spelling of a name family that ranked #465 for boys in 2025 once every spelling is counted together, compared with #631 for Sincere on its own. Together these spellings went to 670 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Sincere | 445 | #631 | 2,405 |
| Syncere | 170 | #1,194 | 983 |
| Cyncere | 29 | #3,775 | 167 |
| Cincere | 26 | #4,064 | 161 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Sincere?
445 of the 3,606,400 babies born in the US in 2025 were named Sincere (0.12 per 1,000 births). For a boy named Sincere born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 19 (of 430 pupils) would have a child named Sincere.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Sincere?
About 10,000 people born in the US named Sincere are alive today, with a median age of 11; half are between 6 and 18. That makes Sincere a young name: most people with it are children.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Sincere by state
How common Sincere was among boys born in each state in 2021–2025. It is notably more common than nationally in District of Columbia (8.5×), South Carolina (3.1×), Georgia (2.7×), Maryland (2.5×), Pennsylvania (2.1×). In 19 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Sincere: their share of US boys followed the most similar curve since 1880. If you like Sincere, they share its era and feel.
Middle names for Sincere · Sibling names for Sincere
Questions about the name Sincere
What does Sincere mean?
Sincere means “sincere (English virtue word)” (English, Latin origin). Certainty: well established.
How popular is the name Sincere?
Sincere was the 631st most popular name for boys in 2025, given to 445 babies. Its best year was 2022, when it ranked 544th with 545 babies. Over the last ten years it has moved down 3 places. More babies were named Sincere in the 2010s than in any other decade.
Is Sincere a boy or girl name?
In 2021–2025, 8% girls, 92% boys given the name Sincere in the US.
Where is Sincere most popular?
In 2021–2025, Sincere was most common in District of Columbia (2.37 per 1,000 boys), followed by South Carolina and Georgia.