Peter vs Sullivan

Baby Name Comparison — 2026

Peter

Boy #192 Most Popular 2 Syllables

"rock, stone"

Origin: Greek

English Greek Dutch Scandinavian German

12 High Risk

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

Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Peter Rank #192

Sullivan Rank #340

Peter is more popular, ranked #192 vs #340 for Sullivan.

Is Peter or Sullivan more popular?

Peter is more popular, ranked #192 compared to Sullivan at #340 in the United States.

What do Peter and Sullivan mean?

Peter means "rock, stone" (Greek origin). Sullivan means "descendant of the dark one" (Irish Gaelic origin).

Are Peter and Sullivan boy or girl names?

Peter is primarily a boy name. Sullivan is primarily a boy name.