Kathryn is a moderately popular girls' name in England & Wales, ranking #458 in 2010 with 90 recorded births. This places Kathryn in the top 6% of ranked UK girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1996 with 635 births ranking #86. Since 1996, the popularity has decreased by 85.8%. In 2010, approximately 1 in every 3,567 girls born was named Kathryn. FALLING Recent data shows the name is currently falling.