Syd vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Syd Rank #38,576
Theodore Rank #4

Theodore is more popular, ranked #4 vs #38576 for Syd.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Syd ___

No pairings available yet.

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 Syd

No sibling data available yet.

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 Syd or Theodore more popular?

Theodore is more popular, ranked #4 compared to Syd at #38576 in the United States.

What do Syd and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Syd and Theodore boy or girl names?

Syd is primarily a boy name. Theodore is primarily a boy name.

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