How Many People Are Named Trey?
An estimated 39,389 people in the United States have the first name Trey. It is almost exclusively a male name. The average bearer is 25 years old, and Trey peaked in popularity in 1999 with 1,803 births that year.
Below you will find a full statistical profile of Trey 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 Trey paired with any surname.
Key Insights
- While Trey is overwhelmingly male, 97 female births have been registered with this name since 1880.
Estimated Living Americans
39,389
About 1 in 8,702 people in the U.S.
Rarity
Uncommon
Predicted Gender
Male
99.8% confidence
Average Age
25
years old
Peak Year
1999
1,803 births
Total Registered
40,293
since 1880
Gender Distribution for Trey
Trey is almost exclusively a male name. Out of 40,293 total births registered, 99.8% were male.
Trey as a male name
Ranked #789 in 2024
317 male births in 2024
Peak: 1999 (1,798 births)
Trey as a female name
Ranked #14,087 in 2004
7 female births in 2004
Peak: 1993 (11 births)
Trey: Popularity Over Time
SSA records for Trey span from the 1940s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 2000s, when 13,901 babies were registered. Trey has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Trey by Decade
How has Trey 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.
Trey by State
Birth registrations for Trey span all 51 states and territories in the SSA database. The highest counts are in Texas, Ohio, Florida. The lowest are in Rhode Island, Vermont, District of Columbia. On average, about 748 Treys were registered per state.
Trey + Last Name Combinations
How many people share a full name with Trey as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Trey
Other first names starting with T with a similar number of bearers.
Trey: Questions and Answers
How many people in the U.S. are named Trey?
We estimate approximately 39,389 people named Trey 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 8,702 Americans share this first name.
Is Trey a common name?
Trey is classified as "Uncommon" and is more popular than 99% of all first names in the SSA database. A total of 40,293 births have been registered with this name since 1880.
When was Trey most popular?
Trey reached peak popularity in 1999, when 1,803 babies were given this name. The average age of a living person named Trey is approximately 25 years old, reflecting when the name was most commonly given.
Is Trey a male name?
Trey is predominantly male. 99.8% of people with this name are male. See the gender breakdown above for full details.
How many Trey Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Trey Smith, Trey Johnson, Trey 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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