Jennilyn
Girl name · American · English
- US rank
- Unranked
- Syllables
- 3
- Peak
- #3,687 in 1983
0 babies were named Jennilyn in the US in 2025.
Found on lists
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US births per million girls, 1966–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Jennilyn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryJennilyn first shows up in US birth records in 1966, the first year at least 5 babies got it. It has been in use for 59 years since.
- Best yearIts best year was 1983, when it reached #3,687.
About the name Jennilyn
Jennilyn is a girl name of American and English origin. It has 8 letters and 3 syllables, starting with J and ending in “-lyn”. US birth records list Jennilyn for girls from 1966 to 2021, in 38 of those 56 years. Its best year was 1983, when it ranked #3,687 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 namesEnglish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1960s | 1.5 | 666,667 girls |
| 1970s | 6.0 | 166,667 girls |
| 1980s | 7.4 | 135,318 girls |
| 1990s | 3.8 | 263,158 girls |
| 2000s | 1.4 | 714,286 girls |
| 2010s | 0.6 | 1,785,714 girls |
| 2020s | 2.1 | 465,116 girls |
Other spellings of Jennilyn
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 Jennilyn
What is the origin of the name Jennilyn?
Jennilyn has American, English roots in our records. Other American names include Lainey, Daisy, Josie.
Is Jennilyn a boy or girl name?
Jennilyn is a girl name.
How popular is the name Jennilyn?
Jennilyn 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 #3,687 in 1983.