Liam vs Sebastian

Baby Name Comparison — 2026

Popularity Comparison

Liam Rank #1
Sebastian Rank #14

Liam is more popular, ranked #1 vs #14 for Sebastian.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Liam ___

  • Liam James
  • Liam Alexander
  • Liam Thomas
  • Liam Michael
  • Liam Patrick
  • Liam Joseph

Sebastian ___

  • Sebastian James
  • Sebastian Alexander
  • Sebastian Cole
  • Sebastian Grey
  • Sebastian Patrick
  • Sebastian Ray

Sibling Name Ideas

Names that pair well as siblings.

If you choose Liam

Olivia Emma Noah Charlotte Sophia

If you choose Sebastian

Olivia Valentina Maximilian Eleanor Isadora

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 Liam or Sebastian more popular?

Liam is more popular, ranked #1 compared to Sebastian at #14 in the United States.

What do Liam and Sebastian mean?

Liam means "strong-willed warrior" (Irish origin). Sebastian means "from Sebastia" (Latin origin).

Are Liam and Sebastian boy or girl names?

Liam is primarily a boy name. Sebastian is primarily a boy name.

More Comparisons

Sebastian vs Liam Liam vs Benjamin Liam vs Emmanuel Liam vs Michael Liam vs Jeremiah
← Full profile: Liam ← Full profile: Sebastian Browse all baby names