Sadey is a distinctive girls' name in United States, ranking #7507 in 2003 with 15 recorded births. The name reached its all-time peak in 2007 with 29 births ranking #5071. Since 1996, the popularity has increased by 36.4%. In 2003, approximately 1 in every 121,803 girls born was named Sadey. RISING Recent data shows the name is currently rising.