Susy is a distinctive girls' name in United States, ranking #14736 in 2025 with 6 recorded births. The name reached its all-time peak in 2007 with 18 births ranking #7365. Since 1996, the popularity has decreased by 45.5%. In 2025, approximately 1 in every 267,878 girls born was named Susy. FALLING Recent data shows the name is currently falling.