Kathy is a distinctive girls' name in United States, ranking #1451 in 2016 with 159 recorded births. The name reached its all-time peak in 1996 with 445 births ranking #530. Since 1996, the popularity has decreased by 64.3%. In 2016, approximately 1 in every 11,141 girls born was named Kathy. FALLING Recent data shows the name is currently falling.