Sadey is a distinctive girls' name in United States, ranking #14065 in 1999 with 6 recorded births. The name reached its all-time peak in 2007 with 29 births ranking #5071. Since 1996, the popularity has decreased by 45.5%. In 1999, approximately 1 in every 295,630 girls born was named Sadey. RISING Recent data shows the name is currently rising.