There are an estimated 4,789 people named Cydney alive worldwide today. That ranks Cydney at #3729 globally, with the highest concentrations in United States.
In the United States, Cydney is held by approximately 4,789 people, ranking #3729 among first names. That works out to roughly 1 per 100,000 Americans (or 1 in 69,305 U.S. residents).
Historically Cydney is used overwhelmingly as a female name (99.5% female).
Cydney appears in birth records going back to 1880. Use the chart below to see how its popularity has changed across decades, and the surname section to find common pairings.