Cathy vs Liam

Baby Name Comparison — 2026

Popularity Comparison

Cathy Rank #6,151
Liam Rank #1

Liam is more popular, ranked #1 vs #6151 for Cathy.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cathy ___

  • Cathy Ann
  • Cathy Marie
  • Cathy Jane
  • Cathy Louise
  • Cathy Lynn

Liam ___

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

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cathy

Patty Judy Linda Bobby Danny

If you choose Liam

Olivia Emma Noah Charlotte Sophia

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 Cathy or Liam more popular?

Liam is more popular, ranked #1 compared to Cathy at #6151 in the United States.

What do Cathy and Liam mean?

Cathy means "pure" (Greek katharos origin). Liam means "strong-willed warrior" (Irish origin).

Are Cathy and Liam boy or girl names?

Cathy is primarily a girl name. Liam is primarily a boy name.

More Comparisons

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