How Many People Are Named Maddilyn?
An estimated 1,315 people in the United States have the first name Maddilyn. It is almost exclusively a female name. The average bearer is 12 years old, and Maddilyn peaked in popularity in 2016 with 101 births that year.
Below you will find a full statistical profile of Maddilyn 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 Maddilyn paired with any surname.
Key Insights
- Maddilyn is a modern name. With an average bearer age of just 12, it has gained most of its popularity in recent years.
Estimated Living Americans
1,315
About 1 in 260,650 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
12
years old
Peak Year
2016
101 births
Total Registered
1,326
since 1880
Gender Distribution for Maddilyn
Maddilyn is almost exclusively a female name. Out of 1,326 total births registered, 100.0% were female.
Maddilyn as a female name
Ranked #3,924 in 2024
38 female births in 2024
Peak: 2016 (101 births)
Maddilyn: Popularity Over Time
SSA records for Maddilyn span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2010s, when 776 babies were registered. While Maddilyn is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Maddilyn by Decade
How has Maddilyn 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.
Maddilyn by State
Birth registrations for Maddilyn span all 12 states and territories in the SSA database. The highest counts are in Texas, California, Ohio. The lowest are in Missouri, Florida, Kentucky. On average, about 23 Maddilyns were registered per state.
Maddilyn + Last Name Combinations
How many people share a full name with Maddilyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Maddilyn
Other first names starting with M with a similar number of bearers.
Maddilyn: Questions and Answers
How many people in the U.S. are named Maddilyn?
We estimate approximately 1,315 people named Maddilyn 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 260,650 Americans share this first name.
Is Maddilyn a common name?
Maddilyn is classified as "Rare" and is more popular than 91.7% of all first names in the SSA database. A total of 1,326 births have been registered with this name since 1880.
When was Maddilyn most popular?
Maddilyn reached peak popularity in 2016, when 101 babies were given this name. The average age of a living person named Maddilyn is approximately 12 years old, reflecting when the name was most commonly given.
Is Maddilyn a female name?
Maddilyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Maddilyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Maddilyn Smith, Maddilyn Johnson, Maddilyn 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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