How Many People Are Named Cydney?
people named Cydney are alive in the United States today (estimate)
About 1 in 68,714 people in the US has this name
Based on 5,170 babies named Cydney in Social Security records from 1942 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
230 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Variant of SYDNEY.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
Same Sound, Other Spellings
These names are pronounced like Cydney in English. Counting Cydney and these spellings together, about 10,890 people alive in the US have the name.
⚧ Gender Distribution
Almost all of the babies given the name Cydney (99.5%) were girls.
👥 Age Distribution
The average person named Cydney alive today is about 31 years old, and 58% are under 30. Half of them were between 21 and 35 in 2025.
📈 Popularity Over Time
Cydney first appears in the records in 1942 and was given most often in 2000, to 230 babies. In 2025, 9 babies got the name.
Babies given the name each year, 1942 to 2025
🏆 Rank History
Cydney has never been one of the 100 most popular girls' names. Its best rank was #914, in 1997. In 2025 it ranked #10,269.
| Girls | |
|---|---|
| Rank in 2025 | #10,269 |
| Best rank | #914 (1997) |
| Years in the top 100 | None |
| Rank in its biggest decade | #1,069 in the 1990s |
📍 State-Wise Distribution
People named Cydney alive today, by the state where they were born (estimate; state records start in 1910).
More people named Cydney were born in California than in any other state: about 438 of those alive today. Compared with the national rate in the same years, Cydney was given 2.2 times as often in Georgia, 1.8 times in Missouri and 1.5 times in North Carolina.
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