Cydni is a distinctive girls' name in United States, ranking #5353 in 2000 with 21 recorded births. The name reached its all-time peak in 1996 with 37 births ranking #3162. Since 1996, the popularity has decreased by 43.2%. In 2000, approximately 1 in every 86,475 girls born was named Cydni. RISING Recent data shows the name is currently rising.