How Many People Are Named Sinclaire?
people named Sinclaire are alive in the United States today (estimate)
About 1 in 1,505,660 people in the US has this name
Based on 229 babies named Sinclaire in Social Security records from 1994 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
20 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Sinclaire in the records were girls.
👥 Age Distribution
The average person named Sinclaire alive today is about 18 years old, and 85% are under 30. Half of them were between 9 and 27 in 2025.
📈 Popularity Over Time
Sinclaire first appears in the records in 1994 and was given most often in 1995, to 20 babies. In 2025, 8 babies got the name.
Babies given the name each year, 1994 to 2025
🏆 Rank History
Sinclaire has never been one of the 100 most popular girls' names. Its best rank was #4,995, in 1995. In 2025 it ranked #11,787.
| Girls | |
|---|---|
| Rank in 2025 | #11,787 |
| Best rank | #4,995 (1995) |
| Years in the top 100 | None |
| Rank in its biggest decade | #9,970 in the 1990s |
📍 State-Wise Distribution
People named Sinclaire alive today, by the state where they were born (estimate; state records start in 1910).
More people named Sinclaire were born in California than in any other state: about 6 of those alive today.
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