Kathryn is a moderately popular girls' name in England & Wales, ranking #255 in 2005 with 175 recorded births. The name reached its all-time peak in 1996 with 635 births ranking #86. Since 1996, the popularity has decreased by 72.4%. In 2005, approximately 1 in every 1,647 girls born was named Kathryn. FALLING Recent data shows the name is currently falling.