Rosilyn
Girl nameRosilyn has been given to 642 babies in the U.S. since 1930. It peaked in 1949.
Popularity over time births per year, 1880–2025
Total babies
642
Peak year
1949 (22 babies)
Rank in 2025
Below top 1000
First recorded
1930
10-year trend
▼ -100%
Gender split
All girls
Spellings & variants
Names one letter away from Rosilyn — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Rosilyn.
Sibling name ideas for Rosilyn
Same era and popularity as Rosilyn, avoiding matching initials or rhymes.
FAQ
How popular is the name Rosilyn?
Rosilyn has been given to 642 babies in the U.S. since 1930. It ranked below the top 1000 in 2025.
When did the name Rosilyn peak?
Rosilyn peaked in 1949, when 22 babies were given the name.
Is Rosilyn a girl or boy name?
Rosilyn is primarily a girl name (100% of babies named Rosilyn are girls).
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