Simon vs Declan

Baby Name Comparison — 2026

Simon

Boy #251 Most Popular 2 Syllables

"he has heard, God has heard"

Origin: Hebrew

English French German Scandinavian Jewish

✓ All Clear

Boy #131 Most Popular 2 Syllables

"man of prayer"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Simon Rank #251

Declan Rank #131

Declan is more popular, ranked #131 vs #251 for Simon.

Is Simon or Declan more popular?

Declan is more popular, ranked #131 compared to Simon at #251 in the United States.

What do Simon and Declan mean?

Simon means "he has heard, God has heard" (Hebrew origin). Declan means "man of prayer" (Irish Gaelic origin).

Are Simon and Declan boy or girl names?

Simon is primarily a boy name. Declan is primarily a boy name.