Cathryn is a distinctive girls' name in United States, ranking #3087 in 2013 with 53 recorded births. The name reached its all-time peak in 1996 with 155 births ranking #1172. Since 1996, the popularity has decreased by 65.8%. In 2013, approximately 1 in every 33,102 girls born was named Cathryn. FALLING Recent data shows the name is currently falling.