Lewis vs Sullivan

Baby Name Comparison — 2026

Popularity Comparison

Lewis Rank #435
Sullivan Rank #340

Sullivan is more popular, ranked #340 vs #435 for Lewis.

Frequently Asked Questions

Is Lewis or Sullivan more popular?

Sullivan is more popular, ranked #340 compared to Lewis at #435 in the United States.

What do Lewis and Sullivan mean?

Lewis means "famous warrior" (Germanic via French origin). Sullivan means "descendant of the dark one" (Irish Gaelic origin).

Are Lewis and Sullivan boy or girl names?

Lewis is primarily a boy name. Sullivan is primarily a boy name.

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