How Many People Are Named Trinia?
An estimated 278 people in the United States have the first name Trinia. It is almost exclusively a female name. The average bearer is 54 years old, and Trinia peaked in popularity in 1970 with 29 births that year.
Below you will find a full statistical profile of Trinia 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 Trinia paired with any surname.
Estimated Living Americans
278
About 1 in 1,232,929 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
54
years old
Peak Year
1970
29 births
Total Registered
316
since 1880
Gender Distribution for Trinia
Trinia is almost exclusively a female name. Out of 316 total births registered, 100.0% were female.
Trinia as a female name
Ranked #9,490 in 1986
7 female births in 1986
Peak: 1970 (29 births)
Trinia: Popularity Over Time
SSA records for Trinia span from the 1950s to the 1980s, covering 4 decades of naming data. The most popular decade for this name was the 1970s, when 181 babies were registered. Trinia has declined significantly from its peak in the 1970s. Recent registrations are a fraction of what they were at the name's height.
Trinia by Decade
How has Trinia 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.
Trinia + Last Name Combinations
How many people share a full name with Trinia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Trinia
Other first names starting with T with a similar number of bearers.
Trinia: Questions and Answers
How many people in the U.S. are named Trinia?
We estimate approximately 278 people named Trinia 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 1,232,929 Americans share this first name.
Is Trinia a common name?
Trinia is classified as "Very Rare" and is more popular than 78.4% of all first names in the SSA database. A total of 316 births have been registered with this name since 1880.
When was Trinia most popular?
Trinia reached peak popularity in 1970, when 29 babies were given this name. The average age of a living person named Trinia is approximately 54 years old, reflecting when the name was most commonly given.
Is Trinia a female name?
Trinia is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Trinia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Trinia Smith, Trinia Johnson, Trinia 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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