Katelyne is a distinctive girls' name in United States, ranking #3666 in 1997 with 31 recorded births. The name reached its all-time peak in 1999 with 33 births ranking #3669. Since 1996, the popularity has increased by 29.2%. In 1997, approximately 1 in every 56,150 girls born was named Katelyne. FALLING Recent data shows the name is currently falling.