6,600births recorded
5Countries
2Variants
1998Peak · Alberta
#10107United States 2025
Cydney is a girl name family recorded 6,600 times in 5 countries since 1942. It ranks highest today in the United States (#10107 in 2025). Its all-time peak was in Alberta in 1998, at 20.6 births per 100,000.
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
Which form wins where
Births per 100,000 newborns for each form, in the selected country.
All forms of Cydney
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Cydney | English | 5,170 | 🇺🇸 United States | #10107 | 1998 | ▼ 76 % |
| Cydney | English | 486 | 🏴 England & Wales | – | 2003 | – |
| Cydney | English | 41 | 🇨🇦 Ontario | – | 2001 | – |
| Cydney | English | 6 | 🇨🇦 Alberta | – | 1998 | – |
| Cydney | English | 5 | 🇨🇦 British Columbia | – | 1995 | – |
| Cidney | English | 892 | 🇺🇸 United States | – | 1999 | – |
How we grouped these names
- Cydney ↔ Cidney — spelling variant
Questions about Cydney
How popular is the name Cydney?
In 2025 it ranked #10107 in the United States. Official registers record 6,600 births across 5 countries.
What is Cydney in other languages?
Cidney (English).
When was Cydney most popular?
It peaked in Alberta in 1998, at 20.6 births per 100,000.
Is Cydney a boy or a girl name?
In official birth registers, Cydney is a girl name.