Total births
85,348
Girls' name · since 1921
Trinity
85,348 babies named Trinity in U.S. Social Security records since 1921, with the highest year being 2004. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #400
- among girls today
- 85,348
- born since 1921
- 2000s
- peak decade
- 98%
- more common than other girls
Trinity currently ranks #400 among girls' names in America, with 85,348 babies recorded since 1921.
Trinity has 85,348 recorded births among girls since 1921, per the U.S. Social Security Administration, ranked #400 as of the latest data, more common than 98% of girls, busiest in the 2000s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1921 to 2025.
- #400 among girls today
- 85,348 born since 1921
- 2000s peak decade
- 98% more common than other girls
Data updated Jun 2026
The verdict
Trinity is currently the #400 girls' name in America, more common than 98% of girls - 85,348 born since 1921, peaking in the 2000s.
- #400
- among girls today
- 85,348
- born since 1921
- 2000s
- peak decade
- 98%
- more common than other girls
Trinity vs. every other girls name in current SSA rankings
#400
of 17,726 girls in use
More common than 98% of names given to girls today.
2000s
Peak decade
55% of everyone ever named Trinity was born in this single decade.
2004
Single peak year
5,638 babies were named Trinity in 2004 - its busiest year on record.
How Trinity compares
85,348 Top 2% higher than 98% of 17,726 names currently given to girls
Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Trinity's all-time total is 223x the median girls name, and Olivia still leads by a wide margin.
| Metric | Trinity | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 85,348 | 382 | 567,345 |
| Peak-year births | 5,638 | 48 | 19,840 |
Trinity's usage pattern, beyond the headline number
Trinity splits its recorded history at 1994: 97% of all births land in the more recent half, 3% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1921 (6 births) -- compare that against the 2004 peak of 5,638 for a sense of just how much the name's popularity has swung.
Trinity at a glance
Top 1,000 girls' namePeak year
2004
Current rank
#400
Active since
1921
Trinity popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1921–2025
- Peak year (2004)
- 5,638
- Annual births at peak, across 105 years of records
Trinity popularity over time - boys
2,844 total births recorded since 1971 (Trinity as boys' name)
Trinity by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Trinity's strongest decade.
46,889 babies received the name during that ten-year window, about 55% of all-time use.
Trinity births by decade
Total births in each ten-year window
- 1920s 6
1920s
6 births
- 1950s 6
1950s
6 births
- 1960s 59
1960s
59 births
- 1970s 1,075
1970s
1,075 births
- 1980s 1,099
1980s
1,099 births
- 1990s 3,991
1990s
3,991 births
- 2000s
2000s
46,889 births
- 2010s
2010s
26,339 births
- 2020s 5,884
2020s
5,884 births
What this shows Peak: 2000s at 46,889 births (55% of all-time use).
How Trinity compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Trinity's total volume
Trinity vs 15 similarly-sized girls names
Trinity by state
Where Trinity concentrates geographically, total births since 1921
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Texas | | 8,145 | 9.5% |
| #2 | California | | 7,388 | 8.7% |
| #3 | Florida | | 5,212 | 6.1% |
| #4 | Georgia | | 4,284 | 5.0% |
| #5 | Ohio | | 3,510 | 4.1% |
| #6 | North Carolina | | 3,387 | 4.0% |
| #7 | Illinois | | 2,998 | 3.5% |
| #8 | New York | | 2,827 | 3.3% |
Texas share of Trinity's total US births 9.5%
Even split
8,145 of 85,348 births nationwide. Compared to a flat distribution across 51 reporting states.
Trinity appears in 51 states. Explore state details →
Frequently Asked Questions
How popular is the name Trinity? ▼
Trinity has been given to 85,348 babies in the U.S. since 1921, according to SSA data. Among girls, it ranks #400 as of the latest data. 5,638 babies were born in 2004, its single highest year.
When was Trinity most popular? ▼
Trinity was most popular in the 2000s decade with 46,889 total births. The single peak year was 2004.
Where is Trinity most popular? ▼
The top states for the name Trinity are Texas (8,145 births), California (7,388 births), Florida (5,212 births).
How long has the name Trinity been used? ▼
Trinity has been recorded in Social Security data since 1921, spanning 105 years of data through 2025.
What names are similar to Trinity? ▼
Names with a similar sound or spelling include Trisha, Tricia, Trina, Trista, and 4 more. These share a common prefix and are also used for girls.
What to do with Trinity's data
- Trinity's decade-level peak was the 2000s (46,889 total births); usage has since declined to 5,884 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Texas records the most Trinitys (8,145 births) -- see the full state breakdown if geography matters to your decision. Texas names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Trinity
Nearby Names Like Trinity
Names with a similar sound, spelling, or feel to Trinity
Trisha Girl
#2826 40,302 births
Tricia Girl
40,134 births
Trina Girl
#7274 32,568 births
Trista Girl
#12381 12,459 births
Tristan Girl
#8538 6,551 births
Compare Trinity side by side: Trinity vs Trisha Trinity vs Tricia Trinity vs Trina
Related Names
Names with a similar popularity rank to Trinity
Alyssa #399
314,606 births · Peak 1999
Colette #401
27,987 births · Peak 2025
Charlee #398
19,268 births · Peak 2019
Hayden #402
33,424 births · Peak 2008
Leighton #397
12,412 births · Peak 2025
Lorelai #403
10,253 births · Peak 2025
Harley #396
31,167 births · Peak 2017
Jayla #404
46,432 births · Peak 2006
Data Sources
Data as of June 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1921–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Trinity: #400 Girls' Name - 85,348 Births, Peak 2004." NameAlmanac. Accessed via https://namealmanac.com/name/trinity. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Trinity draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.