Baylor vs Sullivan

Baby Name Comparison — 2026

Baylor

Boy #366 Most Popular 2 Syllables

Meaning

"one who bails, deliverer"

Origin: Old French

Cultural Roots

American English

Quick Stats

Popularity Rank
#366
Total SSA Count
903
Syllables
2
Formality
Casual
Nicknames
Bay, Bay-Bay

Playground Safety Score

✓ All Clear
Full profile for Baylor →

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
Nicknames
Sully, Van

Playground Safety Score

✓ All Clear
Full profile for Sullivan →

Popularity Comparison

Baylor Rank #366
Sullivan Rank #340

Sullivan is more popular, ranked #340 vs #366 for Baylor.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Baylor ___

  • Baylor James
  • Baylor Scott
  • Baylor Lee
  • Baylor Thomas
  • Baylor Ray
  • Baylor Cole

Sullivan ___

  • Sullivan James
  • Sullivan Patrick
  • Sullivan Thomas
  • Sullivan Reid
  • Sullivan Finn
  • Sullivan Grant

Sibling Name Ideas

Names that pair well as siblings.

If you choose Baylor

Tatum Mason Harper Chase Remi

If you choose Sullivan

Finnegan Declan Bridget Nora Callum

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Baylor or Sullivan more popular?

Sullivan is more popular, ranked #340 compared to Baylor at #366 in the United States.

What do Baylor and Sullivan mean?

Baylor means "one who bails, deliverer" (Old French origin). Sullivan means "descendant of the dark one" (Irish Gaelic origin).

Are Baylor and Sullivan boy or girl names?

Baylor is primarily a boy name. Sullivan is primarily a boy name.

More Comparisons

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