Cydni is a distinctive girls' name in United States, ranking #3747 in 1998 with 31 recorded births. The name reached its all-time peak in 1996 with 37 births ranking #3162. Since 1996, the popularity has decreased by 16.2%. In 1998, approximately 1 in every 56,996 girls born was named Cydni. RISING Recent data shows the name is currently rising.