Cillian vs Kian

Baby Name Comparison — 2026

Kian

Boy #417 Most Popular 2 Syllables

Meaning

"ancient, enduring"

Origin: Old Irish

Cultural Roots

Irish Persian English

Quick Stats

Popularity Rank
#417
Total SSA Count
765
Syllables
2
Formality
Moderate
Nicknames
Ki

Playground Safety Score

✓ All Clear
Full profile for Kian →

Popularity Comparison

Cillian Rank #464
Kian Rank #417

Kian is more popular, ranked #417 vs #464 for Cillian.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cillian ___

  • Cillian James
  • Cillian Patrick
  • Cillian Michael
  • Cillian Finn
  • Cillian Declan
  • Cillian Joseph

Kian ___

  • Kian James
  • Kian Patrick
  • Kian Owen
  • Kian Finn
  • Kian Lucas
  • Kian Thomas

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cillian

Declan Finn Conor Siobhan Saoirse

If you choose Kian

Finn Declan Ronan Ciara Niamh

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Cillian or Kian more popular?

Kian is more popular, ranked #417 compared to Cillian at #464 in the United States.

What do Cillian and Kian mean?

Cillian means "strife, war" (Old Irish origin). Kian means "ancient, enduring" (Old Irish origin).

Are Cillian and Kian boy or girl names?

Cillian is primarily a boy name. Kian is primarily a boy name.

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← Full profile: Cillian ← Full profile: Kian Browse all baby names