Jillian
Meaning
"youthful"
Origin: Latin
Cultural Roots
Quick Stats
- Popularity Rank
- #1,133
- Total SSA Count
- 213
- Syllables
- 3
- Formality
- Moderate
- Nicknames
- Jill, Jilly, Ji
Baby Name Comparison — 2026
"youthful"
Origin: Latin
"beloved, of the sea"
Origin: Hebrew via Latin
Jillian is more popular, ranked #1133 vs #1150 for Marian.
Historical US popularity rank — lower number means more popular.
Historical trend data not available for this comparison.
Names that pair well as siblings.
Answer 3 quick questions and we'll help you decide.
1. Which style feels more like your family?
Jillian is more popular, ranked #1133 compared to Marian at #1150 in the United States.
Jillian means "youthful" (Latin origin). Marian means "beloved, of the sea" (Hebrew via Latin origin).
Jillian is primarily a girl name. Marian is primarily a girl name.