Trinity: Meaning of Baby Name Trinity

About the Name Trinity

Trinity descends from the Latin trinitas meaning "threefold" or "the number three" — referring specifically to the Christian theological doctrine of the Holy Trinity (Father, Son, and Holy Spirit as three persons of one God). The doctrine of the Trinity, formalized at the 4th-century Council of Nicaea, became one of the foundational theological positions distinguishing orthodox Christianity from various non-Trinitarian beliefs.

Trinity as a personal name has no significant pre-20th-century history; the name belongs to the broader contemporary American virtue-and-concept name family — alongside Faith, Serenity, Destiny, Harmony, and Eternity — that emerged primarily in late-20th- and 21st-century American naming. The name has been used predominantly in African-American Christian and evangelical American naming communities, where the religious-aspirational register resonates particularly strongly.

The single most influential modern fictional bearer is Trinity, the leather-clad hacker-warrior protagonist of the Wachowskis' The Matrix films (1999–2021), played by Carrie-Anne Moss. The Trinity character helped seed the name in millennial-era American naming, particularly in non-religious contexts. Trinity's American climb began in the late 1990s and pushed the name into the US top 100 girls' rank by 2002, holding a top-200 range through 2018. The name's appeal sits in two contemporary American naming preferences: the in-built religious depth and the modern visual presence of the distinctive opening T. Three soft syllables, instantly readable, and tonal versatility across formal and casual registers. The name has been used predominantly for girls in modern American naming. Common nicknames Trin (the dominant short form), Trinny, and the rare Tess each carry distinct registers. International forms include the Italian Trinità, Spanish Trinidad (a separate but related country and name), and the original Latin trinitas.

Source: U.S. Social Security Administration name data, 1880–2024 (methodology). By Marvin Tang.

Quick Facts About Trinity

5,642

English baby names in our dictionary

2,251

English female names

187

7-letter T-names in our dictionary

369

T-female names total

2000–2025

years of US SSA records (26 total)

79,083

total US births named Trinity (all years)

US Popularity History (2000–2025)

📉 Falling fast: Trinity dropped 203 places in the US girls ranking over the last 5 years (#225 in 2020 → #428 in 2025).

Annual US births named Trinity by gender, from US Social Security Administration records. Peak year: 2004 with 5,638 girls named Trinity (girl rank #48 that year).

Where it stands today: in 2025, ranked #428 for girls (725 US births). That's 380 places below its 2004 peak.

Source: US Social Security Administration. Limitations: US birth-certificate data only; names appearing fewer than 5 times in a given year are suppressed for privacy; spelling variants are counted separately. For names that ranked outside the US top 100 before year 2000, only the years they reached the top 100 are shown — the chart may have gaps for less-popular historical names.

Where in the US Is Trinity Most Popular?

Average girl-name rank within each state across 2016–2025 SSA records. A lower number means the name appears closer to the top of that state's girls-name rankings — a per-capita measure that isn't biased toward large states. For Trinity the strongest states are Mississippi, Georgia, Alabama.

Strongest girls-name states

#	State	Avg rank	Births
1	Mississippi	#83	277
2	Georgia	#137	731
3	Alabama	#152	326
4	New Mexico	#159	88
5	Louisiana	#161	326
6	Hawaii	#162	24
7	Alaska	#167	17
8	South Dakota	#172	23
9	North Carolina	#181	557
10	Tennessee	#186	440

Weakest girls-name states

#	State	Avg rank	Births
1	Massachusetts	#466	117
2	Minnesota	#445	143
3	New York	#429	434
4	Washington	#422	176
5	New Jersey	#408	200
6	Utah	#407	75
7	California	#396	899
8	Connecticut	#387	79
9	Oregon	#359	113
10	Colorado	#349	168

Source: SSA state-level baby-name dataset 2016–2025. States with fewer than 3 years of data for Trinity in this window are excluded. Births < 5 in a given state-year are suppressed by SSA for privacy.

Looking for names like Trinity?

A dedicated page with 60+ related names — spelling variants, rhymes, alliterations, same-origin matches, and shared meaning concepts — lives at its own URL so each kind of similarity gets a deeper treatment than fits here.

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Compare Trinity to Other Popular Names

Side-by-side popularity charts and crossover years for Trinity against today's most popular girls-name peers (top 8 by US births in the last 10 years of SSA records).

Trinity vs Olivia 210,124 births since 2014

Trinity vs Emma 202,477 births since 2014

Trinity vs Sophia 169,709 births since 2014

Trinity vs Isabella 158,431 births since 2014

Trinity vs Ava 157,356 births since 2014

Trinity vs Charlotte 151,872 births since 2014

Trinity vs Mia 149,779 births since 2014

Trinity vs Amelia 142,728 births since 2014

Compare to a different name →