Cydney
Meaningwide island · English form of Sydney
- US rank
- #10,107
- Syllables
- 2
- Peak
- #915 in 1997
9 babies were named Cydney in the US in 2025. It has dropped 5,350 places in five years.
Found on lists
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US births per million girls, 1942–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Cydney you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 178,571 baby girls born in the US in 2025 was named Cydney, 9 babies in all. In a typical school of 500 kids, your Cydney would very likely be the only one.
- HistoryCydney first shows up in US birth records in 1942, the first year at least 5 babies got it. It has been in use for 83 years since.
- Best yearIt was far more popular in 1997, when it ranked #915. Today it's #10,107, so it could be due a comeback.
- Then vs nowCydney was 22× more common in 2000 than it is today. In 2000 it was given to about 1 in 8,071 baby girls; in 2025, about 1 in 178,571.
- TrendCydney has slipped 5,350 places over the last five years and now sits at #10,107. Good news if you want a familiar name that fewer kids will share.
- MeaningCydney is an English form of Sydney, which means “wide island”. Our records link it to English and French roots.
About the name Cydney
Cydney is a girl name of English and French origin meaning “wide island”. It has 6 letters and 2 syllables, starting with C and ending in “-ney”. US birth records list Cydney for girls from 1942 to 2025, in 80 of those 84 years. Its best year was 1997, when it ranked #915 among girl names. In 2025 it ranked #10,107, with 9 babies.
Origin:English namesFrench names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1940s | 3.7 | 273,038 girls |
| 1950s | 17 | 57,837 girls |
| 1960s | 17 | 58,480 girls |
| 1970s | 13 | 78,927 girls |
| 1980s | 25 | 39,698 girls |
| 1990s | 99 | 10,149 girls |
| 2000s | 78 | 12,855 girls |
| 2010s | 30 | 33,784 girls |
| 2020s | 11 | 93,897 girls |
Other spellings of Cydney
More English girl names
- Girl name: Olivia · olive tree
- Girl name: Charlotte · free
- Unisex name: Harper · harp player
- Girl name: Elizabeth · God is my oath
- Girl name: Lily · lily flower
- Girl name: Lucy · light
- Girl name: Lainey · possibly light
- Girl name: Scarlett · scarlet red
Questions about the name Cydney
What does the name Cydney mean?
Cydney means “wide island” in English, as a form of Sydney.
What is the origin of the name Cydney?
Cydney has English, French roots in our records. Other English names include Olivia, Charlotte, Harper.
Is Cydney a boy or girl name?
Cydney is a girl name.
How popular is the name Cydney?
Cydney ranked #10,107 for US girls in 2025, given to 9 babies. Its best year was 1997 (#915).