Trinity
Girl name · #428 in 2025 · Uniqueness 67/100
Trinity ranks #428 among American girls' names as of 2025, with 725 newborns given the name that year. A decade ago it stood at #129, so the name has been falling over the past ten years. Roughly one in every 2,483 girls born in 2025 was named Trinity.
Babies named Trinity per year, 1880–2025. Source: SSA.
The 104-year story
Trinity first appears in the Social Security records in 1921, when 6 girls received the name. Its peak came in 2004, when 5,638 girls were named Trinity — good for #48 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 Trinity against up to 5 other names.
Uniqueness: will there be another Trinity in class?
Trinity scores 67 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 Trinity will likely be the only one in the room, with the occasional spelling-out as the price.
Where Trinity is most common
Geography matters for names, and Trinity is no exception. In 2025 the states with the most Trinitys were TX (84), CA (69), FL (44), GA (41), NC (38). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Trinity
Statistically, parents drawn to Trinity tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Felicity, Liberty, Delaney, Giselle, and Emely.
FelicityLibertyDelaneyGiselleEmelyMakennaMckennaAngelina
Rank history (last 25 years)
| Year | Babies named Trinity | Rank |
|---|---|---|
| 2025 | 725 | #428 |
| 2024 | 791 | #400 |
| 2023 | 875 | #348 |
| 2022 | 1,037 | #308 |
| 2021 | 1,149 | #273 |
| 2020 | 1,307 | #225 |
| 2019 | 1,646 | #177 |
| 2018 | 1,732 | #168 |
| 2017 | 1,865 | #160 |
| 2016 | 2,241 | #137 |
| 2015 | 2,525 | #129 |
| 2014 | 2,818 | #110 |
| 2013 | 2,928 | #108 |
| 2012 | 3,251 | #91 |
| 2011 | 3,625 | #77 |
| 2010 | 3,708 | #72 |
| 2009 | 4,028 | #74 |
| 2008 | 4,276 | #70 |
| 2007 | 4,374 | #72 |
| 2006 | 4,838 | #64 |
| 2005 | 5,455 | #48 |
| 2004 | 5,638 | #48 |
| 2003 | 5,130 | #56 |
| 2002 | 4,385 | #70 |
| 2001 | 4,481 | #67 |
Frequently asked questions
Is Trinity a popular girl name?
Trinity ranked #428 among girls in 2025 with 725 babies given the name — inside the top 500: established but not ubiquitous. Ten years earlier it ranked #129.
When was the name Trinity most popular?
Trinity peaked in 2004, when 5,638 American girls received the name (ranked #48 that year). Since 2004 the name has declined from that high.
How rare is the name Trinity?
In 2025, roughly 1 in 2,483 newborn American girls was named Trinity. It scores 67/100 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.