Susy is a distinctive girls' name in United States, ranking #10214 in 2021 with 10 recorded births. This places Susy in the bottom 42% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 18 births ranking #7365. In 2021, approximately 1 in every 163,971 girls born was named Susy. FALLING Recent data shows the name is currently falling.