How Many People Are Named Trinity?
An estimated 86,077 people in the United States have the first name Trinity. It is predominantly female (96.8%). The average bearer is 19 years old, and Trinity peaked in popularity in 2004 with 5,729 births that year.
Below you will find a full statistical profile of Trinity as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Trinity paired with any surname.
Key Insights
- While Trinity is overwhelmingly female, 2,834 male births have been registered with this name since 1880.
Estimated Living Americans
86,077
About 1 in 3,982 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
96.8% confidence
Average Age
19
years old
Peak Year
2004
5,729 births
Total Registered
87,428
since 1880
Gender Distribution for Trinity
Trinity is predominantly female (96.8%), though 2,834 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Trinity as a male name
Ranked #9,759 in 2024
8 male births in 2024
Peak: 1977 (115 births)
Trinity as a female name
Ranked #407 in 2024
781 female births in 2024
Peak: 2004 (5,638 births)
Trinity: Popularity Over Time
SSA records for Trinity span from the 1920s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 2000s, when 47,617 babies were registered. Trinity has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Trinity by Decade
How has Trinity tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Trinity by State
Birth registrations for Trinity span all 51 states and territories in the SSA database. The highest counts are in Texas, California, Florida. The lowest are in Vermont, North Dakota, Wyoming. On average, about 1,637 Trinitys were registered per state.
Trinity + Last Name Combinations
How many people share a full name with Trinity as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Trinity
Other first names starting with T with a similar number of bearers.
Trinity: Questions and Answers
How many people in the U.S. are named Trinity?
We estimate approximately 86,077 people named Trinity are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 3,982 Americans share this first name.
Is Trinity a common name?
Trinity is classified as "Uncommon" and is more popular than 99.4% of all first names in the SSA database. A total of 87,428 births have been registered with this name since 1880.
When was Trinity most popular?
Trinity reached peak popularity in 2004, when 5,729 babies were given this name. The average age of a living person named Trinity is approximately 19 years old, reflecting when the name was most commonly given.
Is Trinity a female name?
Trinity is predominantly female. 96.8% of people with this name are female. See the gender breakdown above for full details.
How many Trinity Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Trinity Smith, Trinity Johnson, Trinity Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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