Cydni is a distinctive girls' name in United States, ranking #3919 in 1997 with 28 recorded births. The name reached its all-time peak in 1996 with 37 births ranking #3162. Since 1996, the popularity has decreased by 24.3%. In 1997, approximately 1 in every 62,166 girls born was named Cydni. RISING Recent data shows the name is currently rising.