girl's name
Cydney
- Gender Girl
- Letters 6
- Popularity Rare
- Births on record 5,876
Cydney is a girl's name. In 2025 it was given to 9 babies in the United States. It is a rare choice.
- Peaked in 2000, when 230 babies were given the name.
- It has been falling over the past decade.
- Today about 1 in 368,460 babies in the United States is given this name.
- First appears in US birth records in 1942.
Cydney over time
Births per decade in the United States, 1940s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1940s | 49 |
| 1950s | 333 |
| 1960s | 313 |
| 1970s | 196 |
| 1980s | 438 |
| 1990s | 1,775 |
| 2000s | 1,442 |
| 2010s | 520 |
| 2020s (to 2025) | 104 |
How popular is Cydney?
In 2025, Cydney was given to 9 babies in the United States. It is a rare choice.
Where Cydney is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names that peaked alongside Cydney
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Cydney also like
Names whose popularity has risen and fallen in step with Cydney over the last century — the same taste, a different name.
Sibling names for Cydney
Names from the same era that won't rhyme or share an initial with Cydney — the two things that make a sibling set grate.
Common questions about Cydney
How popular is the name Cydney?
In 2025, Cydney was given to 9 babies in the United States. It is a rare choice.
Is Cydney a girl's or a boy's name?
Cydney is given almost entirely to girls in birth records.
When was Cydney most popular?
Cydney peaked in 2000, when 230 babies were given the name. It has been falling over the past decade.
Is Cydney a good name?
That is not something records can settle, but they can tell you what you would be choosing. Cydney currently ranks #10,669 in the United States. It has been falling over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.