Amelia vs Cailyn

Baby Name Comparison — 2026

Cailyn

Girl #3,286 Most Popular 2 Syllables

Meaning

"pure"

Origin: Greek via Irish

Cultural Roots

Irish American Scottish

Quick Stats

Popularity Rank
#3,286
Total SSA Count
48
Syllables
2
Formality
Moderate
Nicknames
Cay, Cai, Linny

Playground Safety Score

✓ All Clear
Full profile for Cailyn →

Popularity Comparison

Amelia Rank #3
Cailyn Rank #3,286

Amelia is more popular, ranked #3 vs #3286 for Cailyn.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Amelia ___

  • Amelia Rose
  • Amelia Grace
  • Amelia Jane
  • Amelia Kate
  • Amelia Anne
  • Amelia Louise

Cailyn ___

  • Cailyn Rose
  • Cailyn Marie
  • Cailyn Grace
  • Cailyn Elizabeth
  • Cailyn Ann
  • Cailyn Jean

Sibling Name Ideas

Names that pair well as siblings.

If you choose Amelia

Oliver Henry Theodore Charlotte Sophia

If you choose Cailyn

Declan Saoirse Ronan Fiona Aidan

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Amelia or Cailyn more popular?

Amelia is more popular, ranked #3 compared to Cailyn at #3286 in the United States.

What do Amelia and Cailyn mean?

Amelia means "work, industriousness" (Germanic origin). Cailyn means "pure" (Greek via Irish origin).

Are Amelia and Cailyn boy or girl names?

Amelia is primarily a girl name. Cailyn is primarily a girl name.

More Comparisons

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← Full profile: Amelia ← Full profile: Cailyn Browse all baby names