Katelyne is a distinctive girls' name in United States, ranking #4548 in 2004 with 30 recorded births. The name reached its all-time peak in 1999 with 33 births ranking #3669. Since 1996, the popularity has increased by 25.0%. In 2004, approximately 1 in every 61,204 girls born was named Katelyne. FALLING Recent data shows the name is currently falling.