Sullivan vs Kian

Baby Name Comparison — 2026

Sullivan

Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

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Boy #417 Most Popular 2 Syllables

"ancient, enduring"

Origin: Old Irish

Irish Persian English

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Sullivan Rank #340

Kian Rank #417

Sullivan is more popular, ranked #340 vs #417 for Kian.

Is Sullivan or Kian more popular?

Sullivan is more popular, ranked #340 compared to Kian at #417 in the United States.

What do Sullivan and Kian mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Kian means "ancient, enduring" (Old Irish origin).

Are Sullivan and Kian boy or girl names?

Sullivan is primarily a boy name. Kian is primarily a boy name.