Cathy is a distinctive girls' name in United States, ranking #2894 in 2008 with 61 recorded births. This places Cathy in the top 14% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 133 births ranking #1305. Since 1996, the popularity has decreased by 52.7%. In 2008, approximately 1 in every 30,995 girls born was named Cathy. FALLING Recent data shows the name is currently falling.