Katelyne is a distinctive girls' name in United States, ranking #4508 in 2001 with 27 recorded births. The name reached its all-time peak in 1999 with 33 births ranking #3669. Since 1996, the popularity has increased by 12.5%. In 2001, approximately 1 in every 66,687 girls born was named Katelyne. FALLING Recent data shows the name is currently falling.