Jillian
How to say it: JIL-ee-un · /ˈdʒɪliən/
English feminine form of Julian, derived from Roman 'Julianus', meaning 'youthful' or relating to Julius.
Jillian was the 936th most popular girls’ name in the United States in 2025, given to 177 babies (Social Security Administration). Its busiest decade was the 1980s, its births are down about 73% in ten years, and it is projected to slip to #1,221 by 2030.
Updated · SSA 2025 data, published May 2026 · How we compute these figures
Key facts
| Rank among girls’ names, 2025 | #936 |
|---|---|
| Babies born in 2025 | 177 |
| Share of births | 1 in 14,800 |
| Peak decade | 1980s |
| Change over 10 years | −73% |
| Projected rank for 2030 (estimate) | #1,221 |
Sources: Social Security Administration (SSA). How we compute these figures.
Its life, decade by decade
After rising to the 1980s, Jillian has grown steadily rarer. Far below its former high, it seems headed for further softening.
What goes with it
Flowing softly across three syllables, Jillian keeps a smooth lilt. Allison sits comfortably alongside it.
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Jillian is about under 1 in 200.
Around the world
This spelling is used in English, French.
Famous people named Jillian
- Jillian Bell (born 1984)American actress and comedian
- Jillian Murray (born 1984)Actress
- Jillian Hall (born 1980)American professional wrestler
From Wikidata and Wikipedia
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