Cailyn
Meaning
"pure"
Origin: Greek via Irish
Cultural Roots
Quick Stats
- Popularity Rank
- #3,286
- Total SSA Count
- 48
- Syllables
- 2
- Formality
- Moderate
- Nicknames
- Cay, Cai, Linny
Baby Name Comparison — 2026
"pure"
Origin: Greek via Irish
"strength"
Origin: Germanic
Emma is more popular, ranked #2 vs #3286 for Cailyn.
Historical US popularity rank — lower number means more popular.
Historical trend data not available for this comparison.
Names that pair well as siblings.
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Emma is more popular, ranked #2 compared to Cailyn at #3286 in the United States.
Cailyn means "pure" (Greek via Irish origin). Emma means "strength" (Germanic origin).
Cailyn is primarily a girl name. Emma is primarily a girl name.