Fenna vs Killian

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 →

Popularity Comparison

Fenna Rank #9,044
Killian Rank #370

Killian is more popular, ranked #370 vs #9044 for Fenna.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Fenna ___

  • Fenna Rose
  • Fenna Marie
  • Fenna Louise
  • Fenna Lotte
  • Fenna Anna

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 Fenna

Lena Nora Maren Lars Sven

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 Fenna or Killian more popular?

Killian is more popular, ranked #370 compared to Fenna at #9044 in the United States.

What do Fenna and Killian mean?

Fenna means "peace" (Germanic origin). Killian means "associated with the church" (Irish Gaelic origin).

Are Fenna and Killian boy or girl names?

Fenna is primarily a girl name. Killian is primarily a boy name.

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