Kathleen is a moderately popular girls' name in England & Wales, ranking #435 in 2003 with 80 recorded births. This places Kathleen in the top 8% 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 55.3%. In 2003, approximately 1 in every 3,483 girls born was named Kathleen. STABLE Recent data shows the name is currently stable.