Jilleen
- US rank
- Unranked
- Syllables
- 2
- Peak
- #5,031 in 1959
0 babies were named Jilleen in the US in 2025.
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US births per million girls, 1948–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Jilleen you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryJilleen first shows up in US birth records in 1948, the first year at least 5 babies got it. It has been in use for 77 years since.
- Best yearIts best year was 1959, when it reached #5,031.
About the name Jilleen
Jilleen is a girl name of Irish origin. It has 7 letters and 2 syllables, starting with J and ending in “-een”. US birth records list Jilleen for girls from 1948 to 1998, in 22 of those 51 years. Its best year was 1959, when it ranked #5,031 among girl names. It hasn't been given to 5 or more US babies in a year since 1998, so today it's a genuinely rare choice.
Origin:Irish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1940s | 1.4 | 689,655 girls |
| 1950s | 1.0 | 1,030,928 girls |
| 1960s | 2.2 | 454,545 girls |
| 1970s | 2.7 | 374,532 girls |
| 1980s | 1.3 | 775,194 girls |
| 1990s | 0.7 | 1,475,410 girls |
Other spellings of Jilleen
More Irish girl names
- Girl name: Abigail · my father is joy
- Unisex name: Riley · rye clearing
- Girl name: Maeve · she who intoxicates
- Unisex name: Kennedy · helmeted head
- Unisex name: Rylee · rye clearing
- Unisex name: Sloane · raider
- Unisex name: Alani · orange tree
- Girl name: Everleigh · boar clearing
Questions about the name Jilleen
What is the origin of the name Jilleen?
Jilleen has Irish roots in our records. Other Irish names include Abigail, Riley, Maeve.
Is Jilleen a boy or girl name?
Jilleen is a girl name.
How popular is the name Jilleen?
Jilleen is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 1998. It peaked at #5,031 in 1959.