Cydney Girl
How popular is Cydney?
#10,104 girl name in 2025
9 baby girls were named Cydney in the US in 2025, making it the 10104th most popular girl name.
4,990living people named Cydney (est.)
29median age of people named Cydney
5,170babies named Cydney since 1880
1 in 368,371US babies born in 2025
Cydney popularity over time
Boys Girls
| Rank in 2025 | #10,104 for girls (▼ 2514 from 2024) |
|---|---|
| Babies in 2025 | 9 girls |
| 10-year trend | Falling fast (-78% babies vs 2015) |
| Earlier ranks | #3,704 in 2015, #4,755 in 2020 |
| Peak year | 1998 (227 girls) |
| Highest rank | #914 in 1997 |
| First recorded | 1942 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Cydney by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1940s | 49 | #2,133 |
| 1950s | 333 | #1,494 |
| 1960s | 313 | #1,914 |
| 1970s | 196 | #2,856 |
| 1980s | 438 | #1,670 |
| 1990s | 1,761 | #914 |
| 2000s | 1,431 | #945 |
| 2010s | 520 | #2,274 |
| 2020s | 104 | #4,755 |
Girl names about as popular as Cydney
Questions
- Is Cydney a boy or girl name?
- Cydney is mostly a girl name. Over the last 10 years, 100% of babies named Cydney were girls.
- How popular is the name Cydney?
- 9 baby girls were named Cydney in the US in 2025, making it the 10104th most popular girl name.
- When was Cydney most popular?
- Cydney peaked in 1998, when 227 girls were given the name. Its highest rank was #914 in 1997.
- How many people are named Cydney?
- 5,170 babies have been named Cydney in the US since 1880. We estimate about 4,990 of them are alive in 2026, with a median age of 29.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.