Cassius vs Bo

Baby Name Comparison — 2026

Cassius

Boy #568 Most Popular 3 Syllables

"hollow, empty"

Origin: Latin

English American Roman

✓ All Clear

Boy #452 Most Popular 1 Syllable

"to live, to dwell"

Origin: Old Norse

Scandinavian American Chinese

24 High Risk

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Cassius Rank #568

Bo Rank #452

Bo is more popular, ranked #452 vs #568 for Cassius.

Is Cassius or Bo more popular?

Bo is more popular, ranked #452 compared to Cassius at #568 in the United States.

What do Cassius and Bo mean?

Cassius means "hollow, empty" (Latin origin). Bo means "to live, to dwell" (Old Norse origin).

Are Cassius and Bo boy or girl names?

Cassius is primarily a boy name. Bo is primarily a boy name.