Kailyn
Meaning
"girl"
Origin: Irish Gaelic
Cultural Roots
Quick Stats
- Popularity Rank
- #1,582
- Total SSA Count
- 133
- Syllables
- 2
- Formality
- Casual
- Nicknames
- Kay, Kai
Baby Name Comparison — 2026
"girl"
Origin: Irish Gaelic
"victory of the people"
Origin: Greek Nikolaos via Norman
Kailyn is more popular, ranked #1582 vs #5725 for Kolin.
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?
Kailyn is more popular, ranked #1582 compared to Kolin at #5725 in the United States.
Kailyn means "girl" (Irish Gaelic origin). Kolin means "victory of the people" (Greek Nikolaos via Norman origin).
Kailyn is primarily a girl name. Kolin is primarily a boy name.