Kathryn is a moderately popular girls' name in United States, ranking #163 in 2007 with 2,215 recorded births. The name reached its all-time peak in 1996 with 4,102 births ranking #87. Since 1996, the popularity has decreased by 46.0%. In 2007, approximately 1 in every 868 girls born was named Kathryn. FALLING Recent data shows the name is currently falling.