How Many People Are Named Thailyn?
An estimated 98 people in the United States have the first name Thailyn. It is used for both genders, with 89.9% female. The average bearer is 16 years old, and Thailyn peaked in popularity in 2011 with 14 births that year.
Below you will find a full statistical profile of Thailyn as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, state-by-state birth registrations, and, when available, a 2020 Census snapshot showing who had the name at that point in time. You can also check how many people share the full name Thailyn paired with any surname.
Key Insights
- Thailyn is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
98
About 1 in 3,497,493 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
89.9% confidence
Average Age
16
years old
Peak Year
2011
14 births
Total Registered
99
since 1880
Gender Distribution for Thailyn
Thailyn is predominantly female (89.9%), though 10 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Thailyn as a male name
Ranked #14,135 in 2011
5 male births in 2011
Peak: 2007 (5 births)
Thailyn as a female name
Ranked #17,734 in 2019
5 female births in 2019
Peak: 2011 (9 births)
Thailyn: Popularity Over Time
SSA records for Thailyn span from the 2000s to the 2010s, covering 2 decades of naming data. The most popular decade for this name was the 2010s, when 52 babies were registered. Thailyn remains highly popular today, with recent registration numbers near its historical peak.
Thailyn by Decade
How has Thailyn 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.
Thailyn + Last Name Combinations
How many people share a full name with Thailyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Thailyn
Other first names starting with T with a similar number of bearers.
Thailyn: Questions and Answers
How many people in the U.S. are named Thailyn?
We estimate approximately 98 people named Thailyn 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 3,497,493 Americans share this first name.
Is Thailyn a common name?
Thailyn is classified as "Very Rare" and is more popular than 64.3% of all first names in the SSA database. A total of 99 births have been registered with this name since 1880.
When was Thailyn most popular?
Thailyn reached peak popularity in 2011, when 14 babies were given this name. The average age of a living person named Thailyn is approximately 16 years old, reflecting when the name was most commonly given.
What does the SSA popularity chart show?
The popularity chart tracks birth registrations, not people currently alive. It shows how often Thailyn was given to babies from 1880 through 2024, which is why it is the best tool on the page for seeing long-run naming trends.
Is Thailyn a female name?
Thailyn is predominantly female. 89.9% of people with this name are female. See the gender breakdown above for full details.
Why can Thailyn have a lot of living bearers even if it is not trendy now?
Because a name can build up a large population over many decades. Thailyn peaked in 2011, and the average living bearer is about 16 years old, so a name can still have millions of living bearers even after it stops feeling current for newborns.
How many Thailyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Thailyn Smith, Thailyn Johnson, Thailyn 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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