Amelia vs Casyn

Baby Name Comparison — 2026

Amelia

Girl #3 Most Popular 4 Syllables

Meaning

"work, industriousness"

Origin: Germanic

Cultural Roots

English German Spanish

Quick Stats

Popularity Rank
#3
Total SSA Count
12,740
Syllables
4
Formality
Formal
Nicknames
Amy, Millie, Mel

Playground Safety Score

✓ All Clear
Full profile for Amelia →

Casyn

Boy #4,583 Most Popular 2 Syllables

Meaning

"vigilant, watchful"

Origin: Irish Gaelic

Cultural Roots

American Irish English

Quick Stats

Popularity Rank
#4,583
Total SSA Count
22
Syllables
2
Formality
Casual
Nicknames
Cas, Casy, Ace

Playground Safety Score

✓ All Clear
Full profile for Casyn →

Popularity Comparison

Amelia Rank #3
Casyn Rank #4,583

Amelia is more popular, ranked #3 vs #4583 for Casyn.

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

Casyn ___

  • Casyn James
  • Casyn Lee
  • Casyn Cole
  • Casyn Beau
  • Casyn Wade
  • Casyn Blake

Sibling Name Ideas

Names that pair well as siblings.

If you choose Amelia

Oliver Henry Theodore Charlotte Sophia

If you choose Casyn

Mason Jaxon Braylen Brexley Hadley

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 Casyn more popular?

Amelia is more popular, ranked #3 compared to Casyn at #4583 in the United States.

What do Amelia and Casyn mean?

Amelia means "work, industriousness" (Germanic origin). Casyn means "vigilant, watchful" (Irish Gaelic origin).

Are Amelia and Casyn boy or girl names?

Amelia is primarily a girl name. Casyn is primarily a boy name.

More Comparisons

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