A reliable meaning for Madellyn 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 1997. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Madellyn through the years
Babies since 1880
75
0 boys · 75 girls
Most popular year
2004
9 babies
2025
5
#16,351 for girls
2021–25 vs 2016–20
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Too few births to compare
Madellyn in U.S. Social Security birth records, 1997–2025, 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 5 U.S. birth records for girls, ranking No. 16,351 among girls’ names. The recent annual counts are too incomplete to establish a ten-year comparison.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Madellyn’s family of names
Madellyn may belong to the same name family as Madelyn. This is a tentative spelling connection.