How Many People Are Named Mattilyn?
An estimated 643 people in the United States have the first name Mattilyn. It is almost exclusively a female name. The average bearer is 15 years old, and Mattilyn peaked in popularity in 2012 with 40 births that year.
Below you will find a full statistical profile of Mattilyn 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 Mattilyn paired with any surname.
Estimated Living Americans
643
About 1 in 533,055 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
15
years old
Peak Year
2012
40 births
Total Registered
650
since 1880
Gender Distribution for Mattilyn
Mattilyn is almost exclusively a female name. Out of 650 total births registered, 100.0% were female.
Mattilyn as a female name
Ranked #9,971 in 2024
10 female births in 2024
Peak: 2012 (40 births)
Mattilyn: Popularity Over Time
SSA records for Mattilyn span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2010s, when 299 babies were registered. While Mattilyn is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Mattilyn by Decade
How has Mattilyn 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.
Mattilyn by State
Birth registrations for Mattilyn span all 4 states and territories in the SSA database. The highest counts are in Missouri, Mississippi, Texas. The lowest are in Georgia, Texas, Mississippi. On average, about 8 Mattilyns were registered per state.
Mattilyn + Last Name Combinations
How many people share a full name with Mattilyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Mattilyn
Other first names starting with M with a similar number of bearers.
Mattilyn: Questions and Answers
How many people in the U.S. are named Mattilyn?
We estimate approximately 643 people named Mattilyn 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 533,055 Americans share this first name.
Is Mattilyn a common name?
Mattilyn is classified as "Very Rare" and is more popular than 86.9% of all first names in the SSA database. A total of 650 births have been registered with this name since 1880.
When was Mattilyn most popular?
Mattilyn reached peak popularity in 2012, when 40 babies were given this name. The average age of a living person named Mattilyn is approximately 15 years old, reflecting when the name was most commonly given.
Is Mattilyn a female name?
Mattilyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Mattilyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Mattilyn Smith, Mattilyn Johnson, Mattilyn 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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