Cody vs Sullivan

Baby Name Comparison — 2026

Cody

Boy #289 Most Popular 2 Syllables

Meaning

"helpful; assistant; descendant of the helpful one"

Origin: Irish Gaelic

Cultural Roots

American Irish Australian

Quick Stats

Popularity Rank: #289
Total SSA Count: 1,161
Syllables: 2
Formality: Casual

Playground Safety Score

✓ All Clear

Similar Names

Connor Harrison Colin

Full profile for Cody →

Sullivan

Boy #340 Most Popular 3 Syllables

Meaning

"descendant of the dark one"

Origin: Irish Gaelic

Cultural Roots

Irish American English

Quick Stats

Popularity Rank: #340
Total SSA Count: 1,011
Syllables: 3
Formality: Moderate

Playground Safety Score

✓ All Clear

Similar Names

Eden Reid Malakai Banks

Full profile for Sullivan →

Popularity Comparison

Cody Rank #289

Sullivan Rank #340

Cody is more popular, ranked #289 vs #340 for Sullivan.

Frequently Asked Questions

Is Cody or Sullivan more popular?

Cody is more popular, ranked #289 compared to Sullivan at #340 in the United States.

What do Cody and Sullivan mean?

Cody means "helpful; assistant; descendant of the helpful one" (Irish Gaelic origin). Sullivan means "descendant of the dark one" (Irish Gaelic origin).

Are Cody and Sullivan boy or girl names?

Cody is primarily a boy name. Sullivan is primarily a boy name.

More Comparisons

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← Full profile: Cody ← Full profile: Sullivan Browse all baby names