Cydney vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Cydney Rank #8,132
Theodore Rank #4

Theodore is more popular, ranked #4 vs #8132 for Cydney.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cydney ___

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

Theodore ___

  • Theodore James
  • Theodore William
  • Theodore Alexander
  • Theodore John
  • Theodore Henry
  • Theodore Arthur

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cydney

Taylor Madison Tyler Jordan Logan

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

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 Cydney or Theodore more popular?

Theodore is more popular, ranked #4 compared to Cydney at #8132 in the United States.

What do Cydney and Theodore mean?

Cydney means "wide island" (Old English origin). Theodore means "divine gift" (Greek origin).

Are Cydney and Theodore boy or girl names?

Cydney is primarily a girl name. Theodore is primarily a boy name.

More Comparisons

Theodore vs Cydney Cydney vs Salena Cydney vs Coda Cydney vs Dhanvika Cydney vs Emerii
← Full profile: Cydney ← Full profile: Theodore Browse all baby names