Karilyn
- US rank
- Unranked
- Syllables
- 3
- Peak
- #2,532 in 1941
0 babies were named Karilyn in the US in 2025.
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US births per million girls, 1934–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Karilyn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryKarilyn first shows up in US birth records in 1934, the first year at least 5 babies got it. It has been in use for 91 years since.
- Best yearIts best year was 1941, when it reached #2,532.
About the name Karilyn
Karilyn is a girl name of American origin. It has 7 letters and 3 syllables, starting with K and ending in “-lyn”. US birth records list Karilyn for girls from 1934 to 2021, in 79 of those 88 years. Its best year was 1941, when it ranked #2,532 among girl names. It hasn't been given to 5 or more US babies in a year since 2021, so today it's a genuinely rare choice.
Origin:American names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1930s | 3.5 | 284,360 girls |
| 1940s | 5.4 | 183,824 girls |
| 1950s | 6.0 | 167,785 girls |
| 1960s | 6.0 | 166,945 girls |
| 1970s | 8.4 | 119,190 girls |
| 1980s | 10 | 99,305 girls |
| 1990s | 6.5 | 154,321 girls |
| 2000s | 5.4 | 185,874 girls |
| 2010s | 2.8 | 352,113 girls |
| 2020s | 1.5 | 666,667 girls |
Other spellings of Karilyn
More American girl names
- Girl name: Lainey · possibly light
- Girl name: Daisy · day's eye
- Girl name: Josie · he will add
- Unisex name: Kinsley · king's meadow
- Girl name: Sienna · from Siena
- Unisex name: Brooklyn · from Brooklyn, New York
- Girl name: Summer · summer
- Unisex name: Stevie · crown
Questions about the name Karilyn
What is the origin of the name Karilyn?
Karilyn has American roots in our records. Other American names include Lainey, Daisy, Josie.
Is Karilyn a boy or girl name?
Karilyn is a girl name.
How popular is the name Karilyn?
Karilyn is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2021. It peaked at #2,532 in 1941.