A reliable meaning for Mattilyn isn’t established in our sources yet. Rather than guess, we show what is recorded: how the name is used, how often, and the names it’s connected to.
The story
Published U.S. birth records include this spelling as early as 1994. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Mattilyn through the years
Babies since 1880
666
0 boys · 666 girls
Most popular year
2012
40 babies
2025
15
#7,374 for girls
2021–25 vs 2016–20
−37%
Cooling
Mattilyn in U.S. Social Security birth records, 1994–2025, per million girls born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.
By the numbers
In 2025, this name appeared in 15 U.S. birth records for girls, ranking No. 7,374 among girls’ names. Average annual use for girls was 37.4% lower in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 40 in 2012. Published U.S. population figures for this spelling include 458 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.