Kylah is a distinctive girls' name in United States, ranking #1115 in 2015 with 230 recorded births. The name reached its all-time peak in 2009 with 292 births ranking #921. Since 1996, the popularity has increased by 105.4%. In 2015, approximately 1 in every 7,759 girls born was named Kylah. FALLING Recent data shows the name is currently falling.