Ky is a distinctive girls' name in United States, ranking #12866 in 2012 with 8 recorded births. The name reached its all-time peak in 1998 with 9 births ranking #9736. Since 1996, the popularity has increased by 14.3%. In 2012, approximately 1 in every 220,093 girls born was named Ky. STABLE Recent data shows the name is currently stable.