How Many People Are Named Casidy?
people named Casidy are alive in the United States today (estimate)
About 1 in 999,370 people in the US has this name
Based on 347 babies named Casidy in Social Security records from 1980 to 2016, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
26 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Casidy in the records were girls.
👥 Age Distribution
The average person named Casidy alive today is about 25 years old, and 76% are under 30. Half of them were between 19 and 29 in 2025.
📈 Popularity Over Time
Casidy first appears in the records in 1980 and was given most often in 2001, to 26 babies. The last year it was given to at least 5 babies of one sex was 2016.
Babies given the name each year, 1980 to 2016
🏆 Rank History
Casidy has never been one of the 100 most popular girls' names. Its best rank was #4,583, in 2001.
| Girls | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #4,583 (2001) |
| Years in the top 100 | None |
| Rank in its biggest decade | #7,801 in the 2000s |
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