Cathy is a distinctive girls' name in United States, ranking #3013 in 2012 with 56 recorded births. The name reached its all-time peak in 1997 with 133 births ranking #1305. Since 1996, the popularity has decreased by 56.6%. In 2012, approximately 1 in every 31,442 girls born was named Cathy. FALLING Recent data shows the name is currently falling.