Cathryn is a distinctive girls' name in United States, ranking #5194 in 2018 with 25 recorded births. The name reached its all-time peak in 1996 with 155 births ranking #1172. Since 1996, the popularity has decreased by 83.9%. In 2018, approximately 1 in every 68,017 girls born was named Cathryn. FALLING Recent data shows the name is currently falling.