Kylii is a distinctive girls' name in United States, ranking #13807 in 2015 with 7 recorded births. The name reached its all-time peak in 2013 with 13 births ranking #8829. Since 1996, the popularity has increased by 40.0%. In 2015, approximately 1 in every 254,951 girls born was named Kylii. FALLING Recent data shows the name is currently falling.