Trinity Girl
How popular is Trinity?
#428 girl name in 2025
725 baby girls were named Trinity in the US in 2025, making it the 428th most popular girl name. Another 9 boys got the name (#8,239 for boys).
Trinity popularity over time
Boys Girls
| Rank in 2025 | #428 for girls (▼ 28 from 2024) |
|---|---|
| Babies in 2025 | 725 girls, 9 boys |
| 10-year trend | Falling fast (-71% babies vs 2015) |
| Earlier ranks | #129 in 2015, #225 in 2020 |
| Peak year | 2004 (5,638 girls) |
| Highest rank | #48 in 2004 (2 years at that rank) |
| First recorded | 1921 |
| Boys vs girls (last 10 years) | 1% boys, 99% girls |
| Chance a classmate shares it | 0.5% in a class of 25 kids born in 2025 |
Trinity counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Trinity family of names ranked #404 for girls in 2025 (#376 the year before), with 764 babies in all.
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Trinity is most popular
Babies named Trinity per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
- Mississippi: 2.2 per 1,000 (104 girls)
- District of Columbia: 1.7 per 1,000 (20 girls)
- Louisiana: 1.5 per 1,000 (128 girls)
- Georgia: 1.3 per 1,000 (288 girls)
- Nevada: 1.2 per 1,000 (56 girls)
Trinity by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1920s | 6 | #4,462 |
| 1950s | 6 | #5,565 |
| 1960s | 59 | #3,514 |
| 1970s | 1,075 | #823 |
| 1980s | 1,099 | #1,082 |
| 1990s | 3,991 | #209 |
| 2000s | 46,889 | #48 |
| 2010s | 26,339 | #72 |
| 2020s | 5,884 | #225 |
Girl names about as popular as Trinity
Questions
- Is Trinity a boy or girl name?
- Trinity is mostly a girl name. Over the last 10 years, 99% of babies named Trinity were girls.
- How popular is the name Trinity?
- 725 baby girls were named Trinity in the US in 2025, making it the 428th most popular girl name. Another 9 boys got the name (#8,239 for boys).
- When was Trinity most popular?
- Trinity peaked in 2004, when 5,638 girls were given the name. Its highest rank was #48, held for 2 years starting in 2004.
- How many people are named Trinity?
- 88,192 babies have been named Trinity in the US since 1880. We estimate about 87,291 of them are alive in 2026, with a median age of 19.
- Where is Trinity most popular?
- From 2021 to 2025, Trinity was most common in Mississippi, at 2.2 of every 1,000 girls born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.