Frederick vs Kieran

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 #441 Most Popular 2 Syllables

"little dark one"

Origin: Irish Gaelic (ciar + -án)

Irish Scottish English

✓ All Clear

Frederick Rank #424

Kieran Rank #441

Frederick is more popular, ranked #424 vs #441 for Kieran.

Is Frederick or Kieran more popular?

Frederick is more popular, ranked #424 compared to Kieran at #441 in the United States.

What do Frederick and Kieran mean?

Frederick means "peaceful ruler" (Germanic origin). Kieran means "little dark one" (Irish Gaelic (ciar + -án) origin).

Are Frederick and Kieran boy or girl names?

Frederick is primarily a boy name. Kieran is primarily a boy name.