Caitlyn
Meaning
"pure, unblemished"
Origin: Greek via Irish
Cultural Roots
Quick Stats
- Popularity Rank
- #2,348
- Total SSA Count
- 78
- Syllables
- 2
- Formality
- Moderate
- Nicknames
- Cait, Kate, Katie
Baby Name Comparison — 2026
"pure, unblemished"
Origin: Greek via Irish
"youthful, downy-bearded (first beard)"
Origin: Greek (ioulos)
Jules is more popular, ranked #1841 vs #2348 for Caitlyn.
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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Jules is more popular, ranked #1841 compared to Caitlyn at #2348 in the United States.
Caitlyn means "pure, unblemished" (Greek via Irish origin). Jules means "youthful, downy-bearded (first beard)" (Greek (ioulos) origin).
Caitlyn is primarily a girl name. Jules is primarily a boy name.