Sadey is a distinctive girls' name in United States, ranking #8859 in 2015 with 13 recorded births. The name reached its all-time peak in 2007 with 29 births ranking #5071. Since 1996, the popularity has increased by 18.2%. In 2015, approximately 1 in every 137,281 girls born was named Sadey. RISING Recent data shows the name is currently rising.