Killian vs Roy

Baby Name Comparison — 2026

Killian

Boy #370 Most Popular 3 Syllables

Meaning

"associated with the church"

Origin: Irish Gaelic

Cultural Roots

Irish French American English

Quick Stats

Popularity Rank
#370
Total SSA Count
884
Syllables
3
Formality
Moderate
Nicknames
Killy, Kill, Ian

Playground Safety Score

✓ All Clear
Full profile for Killian →

Roy

Boy #542 Most Popular 1 Syllable

Meaning

"red (hair color)"

Origin: Scottish Gaelic

Cultural Roots

Scottish English American Dutch

Quick Stats

Popularity Rank
#542
Total SSA Count
552
Syllables
1
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Roy →

Popularity Comparison

Killian Rank #370
Roy Rank #542

Killian is more popular, ranked #370 vs #542 for Roy.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Killian ___

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

Roy ___

  • Roy Alan
  • Roy Lee
  • Roy James
  • Roy Thomas
  • Roy Edward
  • Roy David

Sibling Name Ideas

Names that pair well as siblings.

If you choose Killian

Cormac Riordan Aoife Declan Niamh

If you choose Roy

Ray Dale Joyce Gene Shirley

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 Killian or Roy more popular?

Killian is more popular, ranked #370 compared to Roy at #542 in the United States.

What do Killian and Roy mean?

Killian means "associated with the church" (Irish Gaelic origin). Roy means "red (hair color)" (Scottish Gaelic origin).

Are Killian and Roy boy or girl names?

Killian is primarily a boy name. Roy is primarily a boy name.

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