Katelinn is a distinctive girls' name in United States, ranking #8507 in 1999 with 11 recorded births. The name reached its all-time peak in 2001 with 15 births ranking #7132. Since 1996, the popularity has increased by 57.1%. In 1999, approximately 1 in every 161,253 girls born was named Katelinn. RISING Recent data shows the name is currently rising.