Katelyne is a distinctive girls' name in United States, ranking #7574 in 2007 with 17 recorded births. The name reached its all-time peak in 1999 with 33 births ranking #3669. Since 1996, the popularity has decreased by 29.2%. In 2007, approximately 1 in every 113,085 girls born was named Katelyne. FALLING Recent data shows the name is currently falling.