Kathryn is a moderately popular girls' name in United States, ranking #427 in 2017 with 748 recorded births. The name reached its all-time peak in 1996 with 4,102 births ranking #87. Since 1996, the popularity has decreased by 81.8%. In 2017, approximately 1 in every 2,307 girls born was named Kathryn. FALLING Recent data shows the name is currently falling.