Cathy is a distinctive girls' name in United States, ranking #2015 in 2005 with 93 recorded births. The name reached its all-time peak in 1997 with 133 births ranking #1305. Since 1996, the popularity has decreased by 27.9%. In 2005, approximately 1 in every 19,868 girls born was named Cathy. FALLING Recent data shows the name is currently falling.