Cathryn is a distinctive girls' name in United States, ranking #4638 in 2021 with 29 recorded births. The name reached its all-time peak in 1996 with 155 births ranking #1172. Since 1996, the popularity has decreased by 81.3%. In 2021, approximately 1 in every 56,542 girls born was named Cathryn. FALLING Recent data shows the name is currently falling.