How Many People Are Named Terilyn?
An estimated 539 people in the United States have the first name Terilyn. It is almost exclusively a female name. The average bearer is 50 years old, and Terilyn peaked in popularity in 1963 with 27 births that year.
Below you will find a full statistical profile of Terilyn 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 Terilyn paired with any surname.
Estimated Living Americans
539
About 1 in 635,908 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
50
years old
Peak Year
1963
27 births
Total Registered
622
since 1880
Gender Distribution for Terilyn
Terilyn is almost exclusively a female name. Out of 622 total births registered, 100.0% were female.
Terilyn as a female name
Ranked #14,816 in 2010
7 female births in 2010
Peak: 1963 (27 births)
Terilyn: Popularity Over Time
SSA records for Terilyn span from the 1940s to the 2010s, covering 8 decades of naming data. The most popular decade for this name was the 1960s, when 167 babies were registered. Terilyn has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Terilyn by Decade
How has Terilyn 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.
Terilyn by State
Birth registrations for Terilyn span all 3 states and territories in the SSA database. The highest counts are in California, Michigan, Utah. The lowest are in Utah, Michigan, California. On average, about 23 Terilyns were registered per state.
Terilyn + Last Name Combinations
How many people share a full name with Terilyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Terilyn
Other first names starting with T with a similar number of bearers.
Terilyn: Questions and Answers
How many people in the U.S. are named Terilyn?
We estimate approximately 539 people named Terilyn 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 635,908 Americans share this first name.
Is Terilyn a common name?
Terilyn is classified as "Very Rare" and is more popular than 85.3% of all first names in the SSA database. A total of 622 births have been registered with this name since 1880.
When was Terilyn most popular?
Terilyn reached peak popularity in 1963, when 27 babies were given this name. The average age of a living person named Terilyn is approximately 50 years old, reflecting when the name was most commonly given.
Is Terilyn a female name?
Terilyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Terilyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Terilyn Smith, Terilyn Johnson, Terilyn 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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