Kylah is a distinctive girls' name in United States, ranking #1521 in 1999 with 113 recorded births. This places Kylah in the top 9% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 292 births ranking #921. In 1999, approximately 1 in every 15,697 girls born was named Kylah. FALLING Recent data shows the name is currently falling.