Kathy is a distinctive girls' name in United States, ranking #992 in 2008 with 268 recorded births. The name reached its all-time peak in 1996 with 445 births ranking #530. Since 1996, the popularity has decreased by 39.8%. In 2008, approximately 1 in every 7,055 girls born was named Kathy. FALLING Recent data shows the name is currently falling.