Cydney is a distinctive girls' name in United States, ranking #9758 in 2023 with 10 recorded births. The name reached its all-time peak in 1998 with 227 births ranking #921. Since 1996, the popularity has decreased by 95.3%. In 2023, approximately 1 in every 160,265 girls born was named Cydney. STABLE Recent data shows the name is currently stable.