Home / Name Directory / Cydney
How Many People Are Named Cydney?
Estimated people named Cydney living in the U.S. today
4,878
Gender distribution
1% male · 99% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 5,160
- Peak year: 2000 (230 births)
- Estimated living today: 4,878
Cydney by age group — who carries the name today?
Cydney popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Cydney
Cydney has been recorded by the Social Security Administration since the 19th century dataset began. In total, 5,160 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 4,878 bearers are still living — roughly 1 in 70,070 Americans. The name's strongest decade shapes how old most Cydneys you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Cydney in the US?
An estimated 4,878 people named Cydney are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Cydney very rare — about 1 in 70,070 Americans.
Is Cydney a boy or girl name?
In SSA records, Cydney is 1% male and 99% female, so it is predominantly a female name.
When was Cydney most popular?
Cydney peaked in 2000, when 230 babies were given the name. Its current trend is declining compared with the previous decade.
How rare is the name Cydney?
Cydney ranks #3,690 of 104,819 first names recorded by the SSA, with a rarity score of 57 out of 100 (higher means rarer).