Caitlin vs Emma

Baby Name Comparison — 2026

Caitlin

Girl #1,686 Most Popular 2 Syllables

Meaning

"pure, clear"

Origin: Greek via Irish

Cultural Roots

Irish Welsh American English Australian

Quick Stats

Popularity Rank
#1,686
Total SSA Count
121
Syllables
2
Formality
Moderate
Nicknames
Cait, Kate, Katie

Playground Safety Score

✓ All Clear
Full profile for Caitlin →

Popularity Comparison

Caitlin Rank #1,686
Emma Rank #2

Emma is more popular, ranked #2 vs #1686 for Caitlin.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Caitlin ___

  • Caitlin Marie
  • Caitlin Ann
  • Caitlin Elizabeth
  • Caitlin Rose
  • Caitlin Grace
  • Caitlin Louise

Emma ___

  • Emma Rose
  • Emma Grace
  • Emma Jane
  • Emma Louise
  • Emma Kate
  • Emma Marie

Sibling Name Ideas

Names that pair well as siblings.

If you choose Caitlin

Siobhan Fiona Ciara Declan Conor

If you choose Emma

Olivia Charlotte Liam Henry Sophia

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 Caitlin or Emma more popular?

Emma is more popular, ranked #2 compared to Caitlin at #1686 in the United States.

What do Caitlin and Emma mean?

Caitlin means "pure, clear" (Greek via Irish origin). Emma means "strength" (Germanic origin).

Are Caitlin and Emma boy or girl names?

Caitlin is primarily a girl name. Emma is primarily a girl name.

More Comparisons

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← Full profile: Caitlin ← Full profile: Emma Browse all baby names