Kathryn is a moderately popular girls' name in United States, ranking #264 in 2012 with 1,230 recorded births. The name reached its all-time peak in 1996 with 4,102 births ranking #87. Since 1996, the popularity has decreased by 70.0%. In 2012, approximately 1 in every 1,431 girls born was named Kathryn. FALLING Recent data shows the name is currently falling.