Cydni is a distinctive girls' name in United States, ranking #9936 in 2010 with 11 recorded births. The name reached its all-time peak in 1996 with 37 births ranking #3162. Since 1996, the popularity has decreased by 70.3%. In 2010, approximately 1 in every 161,575 girls born was named Cydni. RISING Recent data shows the name is currently rising.