Cody vs Killian

Baby Name Comparison — 2026

Cody

Boy #289 Most Popular 2 Syllables

Meaning

"helpful; assistant; descendant of the helpful one"

Origin: Irish Gaelic

Cultural Roots

American Irish Australian

Quick Stats

Popularity Rank
#289
Total SSA Count
1,161
Syllables
2
Formality
Casual
Nicknames
Codes

Playground Safety Score

✓ All Clear
Full profile for Cody →

Popularity Comparison

Cody Rank #289
Killian Rank #370

Cody is more popular, ranked #289 vs #370 for Killian.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cody ___

  • Cody James
  • Cody Lee
  • Cody Ray
  • Cody Allen
  • Cody Wayne
  • Cody Scott

Killian ___

  • Killian James
  • Killian Patrick
  • Killian Thomas
  • Killian Finn
  • Killian Rory
  • Killian Sean

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cody

Brady Logan Trevor Casey Kylie

If you choose Killian

Cormac Riordan Aoife Declan Niamh

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 Cody or Killian more popular?

Cody is more popular, ranked #289 compared to Killian at #370 in the United States.

What do Cody and Killian mean?

Cody means "helpful; assistant; descendant of the helpful one" (Irish Gaelic origin). Killian means "associated with the church" (Irish Gaelic origin).

Are Cody and Killian boy or girl names?

Cody is primarily a boy name. Killian is primarily a boy name.

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← Full profile: Cody ← Full profile: Killian Browse all baby names