Cydni is a distinctive girls' name in United States, ranking #3910 in 1999 with 30 recorded births. The name reached its all-time peak in 1996 with 37 births ranking #3162. Since 1996, the popularity has decreased by 18.9%. In 1999, approximately 1 in every 59,126 girls born was named Cydni. RISING Recent data shows the name is currently rising.