Kathleen is a distinctive girls' name in United States, ranking #1156 in 2025 with 201 recorded births. The name reached its all-time peak in 1996 with 2,107 births ranking #152. Since 1996, the popularity has decreased by 90.5%. In 2025, approximately 1 in every 7,996 girls born was named Kathleen. FALLING Recent data shows the name is currently falling.