Poseidon vs Theodore

Baby Name Comparison — 2026

Poseidon

Boy #5,724 Most Popular 3 Syllables

Meaning

"lord of the earth, husband of the earth"

Origin: Proto-Indo-European

Cultural Roots

Greek Modern Western Fantasy

Quick Stats

Popularity Rank
#5,724
Total SSA Count
16
Syllables
3
Formality
Moderate
Nicknames
Posy, Donnie, Don

Playground Safety Score

✓ All Clear
Full profile for Poseidon →

Popularity Comparison

Poseidon Rank #5,724
Theodore Rank #4

Theodore is more popular, ranked #4 vs #5724 for Poseidon.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Poseidon ___

  • Poseidon Atlas
  • Poseidon James
  • Poseidon Alexander
  • Poseidon Cole
  • Poseidon Orion
  • Poseidon Magnus

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 Poseidon

Zeus Athena Apollo Artemis Hera

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 Poseidon or Theodore more popular?

Theodore is more popular, ranked #4 compared to Poseidon at #5724 in the United States.

What do Poseidon and Theodore mean?

Poseidon means "lord of the earth, husband of the earth" (Proto-Indo-European origin). Theodore means "divine gift" (Greek origin).

Are Poseidon and Theodore boy or girl names?

Poseidon is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

Theodore vs Poseidon Poseidon vs Fields Poseidon vs Randal Poseidon vs Aliyas Poseidon vs Negan
← Full profile: Poseidon ← Full profile: Theodore Browse all baby names