Sunday vs Theodore

Baby Name Comparison — 2026

Sunday

Girl #1,070 Most Popular 2 Syllables

Meaning

"day of rest and worship"

Origin: Old English

Cultural Roots

American British Australian

Quick Stats

Popularity Rank
#1,070
Total SSA Count
232
Syllables
2
Formality
Casual
Nicknames
Sun, Sunny, Sunnie

Playground Safety Score

✓ All Clear
Full profile for Sunday →

Popularity Comparison

Sunday Rank #1,070
Theodore Rank #4

Theodore is more popular, ranked #4 vs #1070 for Sunday.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Sunday ___

  • Sunday Rose
  • Sunday Mae
  • Sunday Rain
  • Sunday Blue
  • Sunday Grace
  • Sunday Joy

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 Sunday

River Summer Sky Storm Ocean

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 Sunday or Theodore more popular?

Theodore is more popular, ranked #4 compared to Sunday at #1070 in the United States.

What do Sunday and Theodore mean?

Sunday means "day of rest and worship" (Old English origin). Theodore means "divine gift" (Greek origin).

Are Sunday and Theodore boy or girl names?

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

More Comparisons

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← Full profile: Sunday ← Full profile: Theodore Browse all baby names