Cathryn is a distinctive girls' name in United States, ranking #2107 in 2008 with 96 recorded births. The name reached its all-time peak in 1996 with 155 births ranking #1172. Since 1996, the popularity has decreased by 38.1%. In 2008, approximately 1 in every 19,695 girls born was named Cathryn. FALLING Recent data shows the name is currently falling.