Kathleen is a moderately popular girls' name in England & Wales, ranking #399 in 2001 with 79 recorded births. The name reached its all-time peak in 1996 with 179 births ranking #227. Since 1996, the popularity has decreased by 55.9%. In 2001, approximately 1 in every 3,392 girls born was named Kathleen. STABLE Recent data shows the name is currently stable.