Rex vs Olas

Baby Name Comparison — 2026

Rex

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Boy #34,835 Most Popular 2 Syllables

"ancestor's relic, heir of ancestors"

Origin: Old Norse anu + leifr

Scandinavian Norwegian Swedish Danish

✓ All Clear

Rex Rank #793

Olas Rank #34,835

Rex is more popular, ranked #793 vs #34835 for Olas.

Is Rex or Olas more popular?

Rex is more popular, ranked #793 compared to Olas at #34835 in the United States.

What do Rex and Olas mean?

Rex means "king" (Latin origin). Olas means "ancestor's relic, heir of ancestors" (Old Norse anu + leifr origin).

Are Rex and Olas boy or girl names?

Rex is primarily a boy name. Olas is primarily a boy name.