Katelyne is a distinctive girls' name in United States, ranking #8588 in 2005 with 13 recorded births. The name reached its all-time peak in 1999 with 33 births ranking #3669. Since 1996, the popularity has decreased by 45.8%. In 2005, approximately 1 in every 142,131 girls born was named Katelyne. FALLING Recent data shows the name is currently falling.