Cydney is a distinctive girls' name in United States, ranking #6265 in 2022 with 19 recorded births. This places Cydney in the top 35% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 227 births ranking #921. Since 1996, the popularity has decreased by 91.0%. In 2022, approximately 1 in every 86,251 girls born was named Cydney. STABLE Recent data shows the name is currently stable.