Cathryn is a distinctive girls' name in United States, ranking #1292 in 1997 with 135 recorded births. The name reached its all-time peak in 1996 with 155 births ranking #1172. Since 1996, the popularity has decreased by 12.9%. In 1997, approximately 1 in every 12,894 girls born was named Cathryn. FALLING Recent data shows the name is currently falling.