Girls' name · peaked in 2004
Trinity name popularity since 1925
88,186 babies born in the US from 1925 to 2025 were named Trinity (96.8% girls, 3.2% boys). Half of them were born in 2007 or earlier, so the typical Trinity is about 19 years old in 2026. Trinity peaked in 2004 as the #48 name for girls, and it ranked #428 in 2025.
Key facts
- US babies since 1925
- 88,186
- Named Trinity, 1925–2025
- In 2025
- #428
- for girls in 2025 (725 babies)
- Girls / boys
- 96.8% girls
- 85,342 girls · 2,844 boys
- Most popular in
- Nevada
- 2.39× its national share
Peak year is the year Trinity made up the largest share of US girls, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.
Trinity births per year, 1925–2025
2004 was the biggest year for Trinity both by count and as a share of all babies.
- Fastest rise: Between 1996 and 2001, Trinity became 13× more common, from 1 in 5,300 baby girls to 1 in 402.
- Steepest fall: Between 2019 and 2024, its share of baby girls fell by 50%, from 1 in 1,020 to 1 in 2,050.
Shaded on the chart. Both compare Trinity's share of all US girls five years apart, counting only years with at least 100 babies named Trinity.
Decade by decade
Babies named Trinity in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Boys | Rank |
|---|---|---|---|
| 1925–29 | 0 | 0 | – |
| 1930s | 0 | 0 | Under 5 |
| 1940s | 0 | 0 | Under 5 |
| 1950s | 6 | 0 | Under 5 |
| 1960s | 59 | 0 | #6,490 |
| 1970s | 1,075 | 706 | #827 |
| 1980s | 1,099 | 580 | #1,286 |
| 1990s | 3,991 | 516 | #664 |
| 2000s | 46,889 | 730 | #48 |
| 2010s | 26,339 | 239 | #129 |
| 2020–25 | 5,884 | 73 | #428 |
Ranks count every name given to at least 5 girls that year, so they can go past 1,000. "Under 5" means fewer than 5 girls got the name.
Generation fingerprint
69.1% of babies named Trinity from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:
Where Trinity is most popular
The index compares Trinity's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Trinity.
| State | Index | Babies |
|---|---|---|
| Nevada | 2.39× | 725 |
| Alaska | 2.38× | 302 |
| Georgia | 1.85× | 4,364 |
| Florida | 1.70× | 5,217 |
| Arizona | 1.67× | 1,848 |
Other spellings
Spellings that sound like Trinity and were given to at least 1,000 girls from 1925 to 2025, with the year each one was most popular.
| Spelling | Girls | Peak year |
|---|---|---|
| Trinity (this page) | 85,342 | 2004 |
| Triniti | 2,994 | 2004 |
| Trinitee | 1,552 | 2009 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Trinity's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Trinity.
Names from the same era
Other common names that peaked within two years of Trinity (2004).
Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data