Alyx vs Cydney

Baby Name Comparison — 2026

Alyx

Girl #7,997 Most Popular 2 Syllables

Meaning

"defender of mankind"

Origin: Greek

Cultural Roots

American English French

Quick Stats

Popularity Rank
#7,997
Total SSA Count
14
Syllables
2
Formality
Casual
Nicknames
Aly, Alyx

Playground Safety Score

✓ All Clear
Full profile for Alyx →

Popularity Comparison

Alyx Rank #7,997
Cydney Rank #8,132

Alyx is more popular, ranked #7997 vs #8132 for Cydney.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Alyx ___

  • Alyx Jade
  • Alyx Rae
  • Alyx Morgan
  • Alyx Skye
  • Alyx Drew

Cydney ___

  • Cydney Grace
  • Cydney Mae
  • Cydney Ann
  • Cydney Leigh
  • Cydney Renee

Sibling Name Ideas

Names that pair well as siblings.

If you choose Alyx

Zoe Kai Remy Quinn

If you choose Cydney

Taylor Madison Tyler Jordan 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 Alyx or Cydney more popular?

Alyx is more popular, ranked #7997 compared to Cydney at #8132 in the United States.

What do Alyx and Cydney mean?

Alyx means "defender of mankind" (Greek origin). Cydney means "wide island" (Old English origin).

Are Alyx and Cydney boy or girl names?

Alyx is primarily a girl name. Cydney is primarily a girl name.

More Comparisons

Cydney vs Alyx Alyx vs Salena Alyx vs Cydney Alyx vs Mihrimah Alyx vs Kenly
← Full profile: Alyx ← Full profile: Cydney Browse all baby names