Jilliyn
- US rank
- Unranked
- Syllables
- 2
- Peak
- #12,761 in 2004
0 babies were named Jilliyn in the US in 2025.
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US births per million girls, 2003–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Jilliyn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryJilliyn first shows up in US birth records in 2003, the first year at least 5 babies got it. That makes it a fairly new name, younger than many of today's parents.
- Best yearIts best year was 2004, when it reached #12,761.
About the name Jilliyn
Jilliyn is a girl name of Latin origin. It has 7 letters and 2 syllables, starting with J and ending in “-iyn”. US birth records list Jilliyn for girls from 2003 to 2009, in 6 of those 7 years. Its best year was 2004, when it ranked #12,761 among girl names. It hasn't been given to 5 or more US babies in a year since 2009, so today it's a genuinely rare choice.
Origin:Latin names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 2000s | 2.5 | 397,727 girls |
Other spellings of Jilliyn
More Latin girl names
- Girl name: Olivia · olive tree
- Girl name: Amelia · work, industrious
- Girl name: Mia · possibly beloved
- Girl name: Evelyn · possibly desired
- Girl name: Ava · possibly bird, or life
- Girl name: Violet · violet flower
- Girl name: Aurora · dawn
- Girl name: Lily · lily flower
Questions about the name Jilliyn
What is the origin of the name Jilliyn?
Jilliyn has Latin roots in our records. Other Latin names include Olivia, Amelia, Mia.
Is Jilliyn a boy or girl name?
Jilliyn is a girl name.
How popular is the name Jilliyn?
Jilliyn is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2009. It peaked at #12,761 in 2004.