Kylah is a distinctive girls' name in United States, ranking #996 in 2007 with 268 recorded births. The name reached its all-time peak in 2009 with 292 births ranking #921. Since 1996, the popularity has increased by 139.3%. In 2007, approximately 1 in every 7,173 girls born was named Kylah. FALLING Recent data shows the name is currently falling.