Frederick vs Killian

Baby Name Comparison — 2026

Frederick

Boy #424 Most Popular 3 Syllables

"peaceful ruler"

Origin: Germanic

English German Scandinavian French American

8 High Risk

{:type=>:rhyme_pattern, :severity=>:low, :message=>"'Frederick' ending sounds like 'sick/thick/dick'"}

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

Frederick Rank #424

Killian Rank #370

Killian is more popular, ranked #370 vs #424 for Frederick.

Is Frederick or Killian more popular?

Killian is more popular, ranked #370 compared to Frederick at #424 in the United States.

What do Frederick and Killian mean?

Frederick means "peaceful ruler" (Germanic origin). Killian means "associated with the church" (Irish Gaelic origin).

Are Frederick and Killian boy or girl names?

Frederick is primarily a boy name. Killian is primarily a boy name.