Killian vs Kyle

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 →

Kyle

Boy #440 Most Popular 1 Syllable

Meaning

"narrow strait, channel"

Origin: Scottish Gaelic (caol)

Cultural Roots

Scottish English Irish American

Quick Stats

Popularity Rank
#440
Total SSA Count
716
Syllables
1
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Kyle →

Popularity Comparison

Killian Rank #370
Kyle Rank #440

Killian is more popular, ranked #370 vs #440 for Kyle.

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

Kyle ___

  • Kyle James
  • Kyle Robert
  • Kyle Thomas
  • Kyle Alexander
  • Kyle David
  • Kyle Michael

Sibling Name Ideas

Names that pair well as siblings.

If you choose Killian

Cormac Riordan Aoife Declan Niamh

If you choose Kyle

Liam Connor Aiden Kylie Brooke

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 Kyle more popular?

Killian is more popular, ranked #370 compared to Kyle at #440 in the United States.

What do Killian and Kyle mean?

Killian means "associated with the church" (Irish Gaelic origin). Kyle means "narrow strait, channel" (Scottish Gaelic (caol) origin).

Are Killian and Kyle boy or girl names?

Killian is primarily a boy name. Kyle is primarily a boy name.

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