Katelyne is a distinctive girls' name in United States, ranking #17550 in 2016 with 5 recorded births. The name reached its all-time peak in 1999 with 33 births ranking #3669. Since 1996, the popularity has decreased by 79.2%. In 2016, approximately 1 in every 354,298 girls born was named Katelyne. FALLING Recent data shows the name is currently falling.