Cullen vs Duncan

Baby Name Comparison — 2026

Popularity Comparison

Cullen Rank #1,131
Duncan Rank #1,104

Duncan is more popular, ranked #1104 vs #1131 for Cullen.

Frequently Asked Questions

Is Cullen or Duncan more popular?

Duncan is more popular, ranked #1104 compared to Cullen at #1131 in the United States.

What do Cullen and Duncan mean?

Cullen means "at the holly trees" (Irish Gaelic origin). Duncan means "dark warrior" (Scottish Gaelic origin).

Are Cullen and Duncan boy or girl names?

Cullen is primarily a boy name. Duncan is primarily a boy name.

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