Kathryn is a moderately popular girls' name in England & Wales, ranking #105 in 1998 with 487 recorded births. The name reached its all-time peak in 1996 with 635 births ranking #86. Since 1996, the popularity has decreased by 23.3%. In 1998, approximately 1 in every 594 girls born was named Kathryn. FALLING Recent data shows the name is currently falling.