How Many People Are Named Sibley?
people named Sibley are alive in the United States today (estimate)
About 1 in 2,946,421 people in the US has this name
Based on 135 babies named Sibley in Social Security records from 1917 to 2022, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
12 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Sibley in the records were girls.
👥 Age Distribution
The average person named Sibley alive today is about 12 years old, and 100% are under 30. Half of them were between 7 and 17 in 2025.
📈 Popularity Over Time
Sibley first appears in the records in 1917 and was given most often in 2017, to 12 babies. The last year it was given to at least 5 babies of one sex was 2022.
Babies given the name each year, 1917 to 2022
🏆 Rank History
Sibley has never been one of the 100 most popular girls' names. Its best rank was #9,270, in 2017. Among boys, its best rank was #3,501, in 1917.
| Girls | Boys | |
|---|---|---|
| Rank in 2025 | Not ranked | Not ranked |
| Best rank | #9,270 (2017) | #3,501 (1917) |
| Years in the top 100 | None | None |
| Rank in its biggest decade | #12,616 in the 2010s | #6,211 in the 1920s |
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