Fergus vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Fergus Rank #4,453
Theodore Rank #4

Theodore is more popular, ranked #4 vs #4453 for Fergus.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Fergus ___

  • Fergus James
  • Fergus Patrick
  • Fergus William
  • Fergus Hugh
  • Fergus Alastair
  • Fergus Duncan

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 Fergus

Hamish Alasdair Fiona Isla Callum

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 Fergus or Theodore more popular?

Theodore is more popular, ranked #4 compared to Fergus at #4453 in the United States.

What do Fergus and Theodore mean?

Fergus means "man of vigor" (Old Irish origin). Theodore means "divine gift" (Greek origin).

Are Fergus and Theodore boy or girl names?

Fergus is primarily a boy name. Theodore is primarily a boy name.

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