Kathleen vs Oliver

Baby Name Comparison — 2026

Kathleen

Girl #1,110 Most Popular 2 Syllables

Meaning

"pure, virginal"

Origin: Greek katharos via Irish

Cultural Roots

Irish American British Australian

Quick Stats

Popularity Rank
#1,110
Total SSA Count
220
Syllables
2
Formality
Formal
Nicknames
Kathy, Kate, Kat

Playground Safety Score

15 High Risk

{:type=>:rhyme, :severity=>:medium, :message=>"'Kathleen' rhymes with 'mean'"}

Full profile for Kathleen →

Popularity Comparison

Kathleen Rank #1,110
Oliver Rank #3

Oliver is more popular, ranked #3 vs #1110 for Kathleen.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kathleen ___

  • Kathleen Anne
  • Kathleen Marie
  • Kathleen Grace
  • Kathleen Rose
  • Kathleen Margaret
  • Kathleen Elizabeth

Oliver ___

  • Oliver James
  • Oliver Thomas
  • Oliver William
  • Oliver Henry
  • Oliver John
  • Oliver Benjamin

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kathleen

Bridget Maureen Colleen Patrick Michael

If you choose Oliver

Olivia Charlotte Emma Sophia Amelia

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 Kathleen or Oliver more popular?

Oliver is more popular, ranked #3 compared to Kathleen at #1110 in the United States.

What do Kathleen and Oliver mean?

Kathleen means "pure, virginal" (Greek katharos via Irish origin). Oliver means "olive tree" (Latin origin).

Are Kathleen and Oliver boy or girl names?

Kathleen is primarily a girl name. Oliver is primarily a boy name.

More Comparisons

Oliver vs Kathleen Kathleen vs Paisleigh Kathleen vs Rayne Kathleen vs Xena Kathleen vs Martina
← Full profile: Kathleen ← Full profile: Oliver Browse all baby names