Sulo vs Castro

Baby Name Comparison — 2026

Sulo

Boy #17,375 Most Popular

✓ All Clear

Boy #17,549 Most Popular 2 Syllables

"castle, fortress"

Origin: Latin

Spanish Portuguese Latin American

✓ All Clear

Sulo Rank #17,375

Castro Rank #17,549

Sulo is more popular, ranked #17375 vs #17549 for Castro.

Is Sulo or Castro more popular?

Sulo is more popular, ranked #17375 compared to Castro at #17549 in the United States.

What do Sulo and Castro mean?

Castro means "castle, fortress" (Latin origin).

Are Sulo and Castro boy or girl names?

Sulo is primarily a boy name. Castro is primarily a boy name.