Feminine dossier · first seen 1942
Cydney
Endangered
Down 96% from peak
Peak era
1998
Peak births
227
Current vitality
Rare
Peak generation
Gen Z
1942Peak 19982025
Quick answers about Cydney
How many people are named Cydney?
An estimated 4,936 living Americans are named Cydney.
How rare is Cydney?
Cydney is very rare among babies today, with 9 girls receiving the name in 2025, down 96% from its 1998 peak.
How old is the typical Cydney?
The median age of a living American named Cydney is approximately 29 years, with most bearers falling between 22 and 36 years old.
Is Cydney still popular?
No. Cydney is endangered as a baby name, down 96% from its 1998 peak with 9 births in 2025.
Peak year
1998
Decline from peak
96%
2025
9
All-time
5,145