Kathleen is a moderately popular girls' name in England & Wales, ranking #276 in 1998 with 140 recorded births. This places Kathleen in the top 6% of ranked UK girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1996 with 179 births ranking #227. Since 1996, the popularity has decreased by 21.8%. In 1998, approximately 1 in every 2,066 girls born was named Kathleen. STABLE Recent data shows the name is currently stable.