Cathryn is a distinctive girls' name in United States, ranking #1551 in 1998 with 107 recorded births. The name reached its all-time peak in 1996 with 155 births ranking #1172. Since 1996, the popularity has decreased by 31.0%. In 1998, approximately 1 in every 16,513 girls born was named Cathryn. FALLING Recent data shows the name is currently falling.