Reg vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Reg Rank #39,108
Theodore Rank #4

Theodore is more popular, ranked #4 vs #39108 for Reg.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Reg ___

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 Reg

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 Reg or Theodore more popular?

Theodore is more popular, ranked #4 compared to Reg at #39108 in the United States.

What do Reg and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Reg and Theodore boy or girl names?

Reg is primarily a boy name. Theodore is primarily a boy name.

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