Gillian
Meaning
"youthful"
Origin: Latin
Cultural Roots
Quick Stats
- Popularity Rank
- #3,126
- Total SSA Count
- 51
- Syllables
- 3
- Formality
- Moderate
- Nicknames
- Gill, Gilly, Jill
Baby Name Comparison — 2026
"youthful"
Origin: Latin
"little dark one"
Origin: Irish Gaelic
Kierra is more popular, ranked #2987 vs #3126 for Gillian.
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?
Kierra is more popular, ranked #2987 compared to Gillian at #3126 in the United States.
Gillian means "youthful" (Latin origin). Kierra means "little dark one" (Irish Gaelic origin).
Gillian is primarily a girl name. Kierra is primarily a girl name.