Kathyrn is a distinctive girls' name in United States, ranking #14720 in 2018 with 6 recorded births. The name reached its all-time peak in 1997 with 18 births ranking #5509. Since 1996, the popularity has decreased by 60.0%. In 2018, approximately 1 in every 283,404 girls born was named Kathyrn. STABLE Recent data shows the name is currently stable.