Name meaning & stats
Jillian
Jillian means “youthful (debated)” (Latin origin). 83,424 US babies since 1940, peak 1982.
What it means
“youthful (debated)”
LatinDebated
In US birth records
Peak year: 1982
83,424 US babies were named Jillian between 1940 and 2025.
Careers
Not enough notable people named Jillian (or its spelling family) to say anything reliable yet. That's a gap in the data, not the name.
Spelling family
The most common spelling: 94% of the family
- Jillian 94%
- Jilian 1%
- Jillene 1%
- Jehilyn 1%
- Jillianne 1%
- Jeilyn <1%
- Jeylin <1%
- Jilliann <1%
- Jillyan <1%
- Jyllian <1%
Names that sound the same, grouped by Heyotag. Share of US babies since 1940.
Name twins (peaked around 1982)