Kathryn is a moderately popular girls' name in United States, ranking #396 in 2016 with 839 recorded births. The name reached its all-time peak in 1996 with 4,102 births ranking #87. Since 1996, the popularity has decreased by 79.5%. In 2016, approximately 1 in every 2,111 girls born was named Kathryn. FALLING Recent data shows the name is currently falling.