Jillian

Jillian: name meaning, origin & popularity

Meaning: “youthful; downy-bearded”
Origin: English
Say it: JIL-ee-un · 3 syllables
Used for: Girls

English variant of Gillian, a medieval form related to Julian and Juliana. The name ultimately goes back to Latin Julius.

English names Classic names International names

How popular is Jillian?

202464.0 per million US babies

Drag the line or the slider to read any year. Values are per million US births recorded by Social Security. Records before about 1937 undercount births, so early peaks can look taller than they were.

Compare with another name

Babies named Jillian in 2024213

2024 rank#1,133 girls

Peak year1982

Total US babies since 188083,245

Jillian is fading: recent use is about 21% of its level ten years before.

Names like Jillian

Variants, related forms and names with the same roots.

Jillyouthful · English
Gillianyouthful · Latin
Oliviaolive tree · English
Evelyndesired; little bird · English
Harperharp player · English
Violetviolet flower · English
Hazelhazel tree · English
Ellieshort form of names ending in -el or -ella · English

Jillian questions

What does the name Jillian mean?

Jillian means "youthful; downy-bearded". It comes from English. English variant of Gillian, a medieval form related to Julian and Juliana. The name ultimately goes back to Latin Julius.

Is Jillian a boy or girl name?

Jillian is mainly a girl's name in US records (100% of uses since 1880).

How popular is Jillian?

213 US babies were named Jillian in 2024. Its peak year was 1982.

How do you pronounce Jillian?

Jillian is usually pronounced JIL-ee-un.

Birth counts: US Social Security Administration national data, 1880–2024 (names given to 5+ babies of a sex in a year). How we write meanings.