Amelia vs Kacy

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 →

Kacy

Girl #6,085 Most Popular 2 Syllables

Meaning

"vigilant, watchful"

Origin: Irish Gaelic (Cathasaigh)

Cultural Roots

American Irish-American

Quick Stats

Popularity Rank
#6,085
Total SSA Count
20
Syllables
2
Formality
Casual
Nicknames
Kay, K

Playground Safety Score

✓ All Clear
Full profile for Kacy →

Popularity Comparison

Amelia Rank #3
Kacy Rank #6,085

Amelia is more popular, ranked #3 vs #6085 for Kacy.

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

Kacy ___

  • Kacy Ann
  • Kacy Marie
  • Kacy Lynn
  • Kacy Rose
  • Kacy Grace
  • Kacy Elaine

Sibling Name Ideas

Names that pair well as siblings.

If you choose Amelia

Oliver Henry Theodore Charlotte Sophia

If you choose Kacy

Brady Riley Avery Connor Logan

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 Kacy more popular?

Amelia is more popular, ranked #3 compared to Kacy at #6085 in the United States.

What do Amelia and Kacy mean?

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

Are Amelia and Kacy boy or girl names?

Amelia is primarily a girl name. Kacy is primarily a girl name.

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