Kathy is a distinctive girls' name in United States, ranking #2107 in 2018 with 91 recorded births. The name reached its all-time peak in 1996 with 445 births ranking #530. Since 1996, the popularity has decreased by 79.6%. In 2018, approximately 1 in every 18,686 girls born was named Kathy. FALLING Recent data shows the name is currently falling.