Amelia vs Cosmo

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

Popularity Comparison

Amelia Rank #3
Cosmo Rank #1,691

Amelia is more popular, ranked #3 vs #1691 for Cosmo.

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

Cosmo ___

  • Cosmo James
  • Cosmo Ray
  • Cosmo Lee
  • Cosmo Blue
  • Cosmo Fox

Sibling Name Ideas

Names that pair well as siblings.

If you choose Amelia

Oliver Henry Theodore Charlotte Sophia

If you choose Cosmo

Cosima Orion Luna Stellan Felix

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 Cosmo more popular?

Amelia is more popular, ranked #3 compared to Cosmo at #1691 in the United States.

What do Amelia and Cosmo mean?

Amelia means "work, industriousness" (Germanic origin). Cosmo means "order, universe" (Greek origin).

Are Amelia and Cosmo boy or girl names?

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

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