How Many People Are Named Sidni?
people named Sidni are alive in the United States today (estimate)
About 1 in 1,479,588 people in the US has this name
Based on 236 babies named Sidni in Social Security records from 1949 to 2013, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
21 births
Trend
Last year given
⚧ Gender Distribution
All of the babies given the name Sidni in the records were girls.
👥 Age Distribution
The average person named Sidni alive today is about 26 years old, and 69% are under 30. Half of them were between 22 and 30 in 2025.
📈 Popularity Over Time
Sidni first appears in the records in 1949 and was given most often in 1995, to 21 babies. The last year it was given to at least 5 babies of one sex was 2013.
Babies given the name each year, 1949 to 2013
🏆 Rank History
Sidni has never been one of the 100 most popular girls' names. Its best rank was #4,819, in 1995.
| Girls | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #4,819 (1995) |
| Years in the top 100 | None |
| Rank in its biggest decade | #7,663 in the 1990s |
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