Cathryn is a distinctive girls' name in United States, ranking #1753 in 2002 with 103 recorded births. The name reached its all-time peak in 1996 with 155 births ranking #1172. Since 1996, the popularity has decreased by 33.5%. In 2002, approximately 1 in every 17,445 girls born was named Cathryn. FALLING Recent data shows the name is currently falling.