Jillian
GirlEnglish
Jillian is a girl name of English origin meaning "Downy-bearded, youthful".
About this name
Gender
Girl
Language
English
Religion
Christian
Popularity
12 / 100
Syllables
2
Length
7 letters
Meaning
Downy-bearded, youthful
Etymology
Variant of Juliana, derived from Latin Iulianus, from Iulius (youthful, downy-bearded).
Famous People Named Jillian
- Jillian Michaels — American personal trainer, reality show personality, actress, talk show host and entrepreneur
- Jillian Banfield — Australian geomicrobiologist
- Jillian Janson — American pornographic actress
- Jillian Tamaki — Canadian illustrator and cartoonist
Frequently Asked Questions About Jillian
What does the name Jillian mean?
Jillian means "Downy-bearded, youthful", and is of English origin.
What is the origin of the name Jillian?
Jillian originates from English, commonly used in Europe.
Is Jillian a boy or girl name?
Jillian is typically used as a girl name.
What religion is the name Jillian associated with?
Jillian is associated with Christian.
Are there famous people named Jillian?
Yes — notable people named Jillian include Jillian Michaels (American personal trainer), Jillian Banfield (Australian geomicrobiologist), Jillian Janson (American pornographic actress) and Jillian Tamaki (Canadian illustrator and cartoonist).
Last updated: June 2026