Baby Name Studio

Theresa vs Kathryn

Comparing Theresa and Kathryn? Both are popular picks for parents in 2026. Theresa ranks in the Top 250 tier and traces to Greek naming roots (meaning "Harvest"). Kathryn sits in the Top 250 tier with Greek origins (meaning "Pure").

Theresa

Kathryn

Which name is more popular: Theresa or Kathryn?

In our 2026 popularity tracker, Theresa ranks higher (Top 250) than Kathryn (Top 250).