Sim vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Sim Rank #29,454
Theodore Rank #4

Theodore is more popular, ranked #4 vs #29454 for Sim.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Sim ___

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 Sim

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 Sim or Theodore more popular?

Theodore is more popular, ranked #4 compared to Sim at #29454 in the United States.

What do Sim and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Sim and Theodore boy or girl names?

Sim is primarily a boy name. Theodore is primarily a boy name.

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