Kathryn is a moderately popular girls' name in England & Wales, ranking #136 in 2001 with 330 recorded births. The name reached its all-time peak in 1996 with 635 births ranking #86. Since 1996, the popularity has decreased by 48.0%. In 2001, approximately 1 in every 812 girls born was named Kathryn. FALLING Recent data shows the name is currently falling.