How Many People Are Named Quillan?
An estimated 367 people in the United States have the first name Quillan. It is almost exclusively a male name. The average bearer is 20 years old, and Quillan peaked in popularity in 2019 with 19 births that year.
Below you will find a full statistical profile of Quillan 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 Quillan paired with any surname.
Estimated Living Americans
367
About 1 in 933,936 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
20
years old
Peak Year
2019
19 births
Total Registered
373
since 1880
Gender Distribution for Quillan
Quillan is almost exclusively a male name. Out of 373 total births registered, 100.0% were male.
Quillan as a male name
Ranked #10,625 in 2024
7 male births in 2024
Peak: 2019 (19 births)
Quillan: Popularity Over Time
SSA records for Quillan span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2010s, when 122 babies were registered. While Quillan is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Quillan by Decade
How has Quillan 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.
Quillan + Last Name Combinations
How many people share a full name with Quillan as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Quillan
Other first names starting with Q with a similar number of bearers.
Quillan: Questions and Answers
How many people in the U.S. are named Quillan?
We estimate approximately 367 people named Quillan 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 933,936 Americans share this first name.
Is Quillan a common name?
Quillan is classified as "Very Rare" and is more popular than 81.4% of all first names in the SSA database. A total of 373 births have been registered with this name since 1880.
When was Quillan most popular?
Quillan reached peak popularity in 2019, when 19 babies were given this name. The average age of a living person named Quillan is approximately 20 years old, reflecting when the name was most commonly given.
Is Quillan a male name?
Quillan is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Quillan Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Quillan Smith, Quillan Johnson, Quillan 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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