Kathleen is a distinctive girls' name in United States, ranking #674 in 2014 with 422 recorded births. The name reached its all-time peak in 1996 with 2,107 births ranking #152. Since 1996, the popularity has decreased by 80.0%. In 2014, approximately 1 in every 4,232 girls born was named Kathleen. FALLING Recent data shows the name is currently falling.