Katty is a distinctive girls' name in United States, ranking #5877 in 2010 with 23 recorded births. The name reached its all-time peak in 2000 with 34 births ranking #3775. Since 1996, the popularity has increased by 21.1%. In 2010, approximately 1 in every 77,275 girls born was named Katty. FALLING Recent data shows the name is currently falling.