Sullivan vs Kaizen

Baby Name Comparison — 2026

Sullivan

Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Boy #507 Most Popular 2 Syllables

"continuous improvement"

Origin: Japanese

Japanese American

✓ All Clear

Sullivan Rank #340

Kaizen Rank #507

Sullivan is more popular, ranked #340 vs #507 for Kaizen.

Is Sullivan or Kaizen more popular?

Sullivan is more popular, ranked #340 compared to Kaizen at #507 in the United States.

What do Sullivan and Kaizen mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Kaizen means "continuous improvement" (Japanese origin).

Are Sullivan and Kaizen boy or girl names?

Sullivan is primarily a boy name. Kaizen is primarily a boy name.