Sincerity is a very rare girls' name that peaked in 2018 and remains in steady use.
Sincerity is a girl name. In 2025 it ranked #12,994 for girl births in the United States (and #21,712 across all names), given to 7 babies. Sincerity first appears in 2000 and peaked in 2018 (9 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 7 | 7 | #12,994 |
| 2024 | 5 | 5 | #17,350 |
| 2023 | 5 | 5 | #17,278 |
| 2021 | 8 | 8 | #12,053 |
| 2020 | 7 | 7 | #13,293 |
| 2018 | 9 | 9 | #11,313 |
| 2017 | 7 | 7 | #13,913 |
| 2016 | 5 | 5 | #18,507 |
| 2015 | 7 | 7 | #14,307 |
| 2014 | 8 | 8 | #12,918 |
| 2012 | 7 | 7 | #14,772 |
| 2011 | 5 | 5 | #19,188 |
| 2009 | 8 | 8 | #13,521 |
| 2007 | 6 | 6 | #17,327 |
| 2006 | 6 | 6 | #16,835 |
| 2005 | 6 | 6 | #16,163 |
| 2004 | 5 | 5 | #18,428 |
| 2000 | 5 | 5 | #17,248 |