Jacilyn
- US rank
- Unranked
- Syllables
- 3
- Peak
- #3,613 in 1984
0 babies were named Jacilyn in the US in 2025.
Save adds it to your list. Vote moves it up the top voted names.
US births per million girls, 1974–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Jacilyn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryJacilyn first shows up in US birth records in 1974, the first year at least 5 babies got it. It has been in use for 51 years since.
- Best yearIts best year was 1984, when it reached #3,613.
About the name Jacilyn
Jacilyn 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 Jacilyn for girls from 1974 to 2021, in 37 of those 48 years. Its best year was 1984, when it ranked #3,613 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 |
|---|---|---|
| 1970s | 3.4 | 289,855 girls |
| 1980s | 8.7 | 114,416 girls |
| 1990s | 6.0 | 166,667 girls |
| 2000s | 3.9 | 255,754 girls |
| 2010s | 1.1 | 925,926 girls |
| 2020s | 1.5 | 666,667 girls |
Other spellings of Jacilyn
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 Jacilyn
What is the origin of the name Jacilyn?
Jacilyn has American roots in our records. Other American names include Lainey, Daisy, Josie.
Is Jacilyn a boy or girl name?
Jacilyn is a girl name.
How popular is the name Jacilyn?
Jacilyn 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 #3,613 in 1984.