Jacolyn
- US rank
- Unranked
- Syllables
- 3
- Peak
- #2,314 in 1951
0 babies were named Jacolyn in the US in 2025.
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US births per million girls, 1931–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Jacolyn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryJacolyn first shows up in US birth records in 1931, the first year at least 5 babies got it. It has been in use for 94 years since.
- Best yearIts best year was 1951, when it reached #2,314.
About the name Jacolyn
Jacolyn is a girl name of American origin. It has 7 letters and 3 syllables, starting with J and ending in “-lyn”. US birth records list Jacolyn for girls from 1931 to 1999, in 42 of those 69 years. Its best year was 1951, when it ranked #2,314 among girl names. It hasn't been given to 5 or more US babies in a year since 1999, so today it's a genuinely rare choice.
Origin:American names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1930s | 5.2 | 193,548 girls |
| 1940s | 5.0 | 201,613 girls |
| 1950s | 7.7 | 129,702 girls |
| 1960s | 2.3 | 444,444 girls |
| 1970s | 0.3 | 3,448,276 girls |
| 1980s | 2.4 | 421,941 girls |
| 1990s | 1.1 | 869,565 girls |
Other spellings of Jacolyn
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 Jacolyn
What is the origin of the name Jacolyn?
Jacolyn has American roots in our records. Other American names include Lainey, Daisy, Josie.
Is Jacolyn a boy or girl name?
Jacolyn is a girl name.
How popular is the name Jacolyn?
Jacolyn is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 1999. It peaked at #2,314 in 1951.