Bo vs Callister

Baby Name Comparison — 2026

Bo

Boy #452 Most Popular 1 Syllable

"to live, to dwell"

Origin: Old Norse

Scandinavian American Chinese

24 High Risk

{:type=>:nickname, :severity=>:medium, :message=>"'Bo' can be twisted to 'bo'"}

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Bo Rank #452

Callister Rank #43,579

Bo is more popular, ranked #452 vs #43579 for Callister.

Is Bo or Callister more popular?

Bo is more popular, ranked #452 compared to Callister at #43579 in the United States.

What do Bo and Callister mean?

Bo means "to live, to dwell" (Old Norse origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Bo and Callister boy or girl names?

Bo is primarily a boy name. Callister is primarily a boy name.