Sincere
Girl name · #3487 in 2025 · Uniqueness 80/100
Sincere is currently the #3487 girl name in the United States — 44 babies received it in 2025. A decade ago it stood at #3024, so the name has been falling over the past ten years. Roughly one in every 40,909 girls born in 2025 was named Sincere.
Babies named Sincere per year, 1880–2025. Source: SSA.
The 43-year story
Sincere first appears in the Social Security records in 1982, when 5 girls received the name. Its peak came in 2009, when 91 girls were named Sincere — good for #2183 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Sincere against up to 5 other names.
Uniqueness: will there be another Sincere in class?
Sincere scores 80 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "rare" band. A high score means genuine rarity — your Sincere will likely be the only one in the room, with the occasional spelling-out as the price.
Where Sincere is most common
State-level data for Sincere is sparse in 2025 — the name's footprint is too small for most states to report (the SSA suppresses counts under 5 per state for privacy).
Names like Sincere
Statistically, parents drawn to Sincere tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Skylee, Gwenevere, Dezire, Saydee, and Klaire.
SkyleeGwenevereDezireSaydeeKlaireSkylieShayleeMaycie
Rank history (last 25 years)
| Year | Babies named Sincere | Rank |
|---|---|---|
| 2025 | 44 | #3459 |
| 2024 | 36 | #4039 |
| 2023 | 48 | #3329 |
| 2022 | 37 | #3963 |
| 2021 | 40 | #3735 |
| 2020 | 54 | #2966 |
| 2019 | 47 | #3337 |
| 2018 | 38 | #3853 |
| 2017 | 44 | #3479 |
| 2016 | 40 | #3777 |
| 2015 | 56 | #3024 |
| 2014 | 70 | #2535 |
| 2013 | 63 | #2726 |
| 2012 | 64 | #2734 |
| 2011 | 60 | #2868 |
| 2010 | 91 | #2152 |
| 2009 | 91 | #2183 |
| 2008 | 73 | #2557 |
| 2007 | 54 | #3168 |
| 2006 | 58 | #2940 |
| 2005 | 52 | #3052 |
| 2004 | 44 | #3391 |
| 2003 | 60 | #2638 |
| 2002 | 60 | #2582 |
| 2001 | 48 | #2963 |
Frequently asked questions
Is Sincere a popular girl name?
Sincere ranked #3487 among girls in 2025 with 44 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3024.
When was the name Sincere most popular?
Sincere peaked in 2009, when 91 American girls received the name (ranked #2183 that year). Since 2009 the name has declined from that high.
How rare is the name Sincere?
In 2025, roughly 1 in 40,909 newborn American girls was named Sincere. It scores 80/100 on our uniqueness scale (rarity blended with momentum), which we classify as "rare".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.