How Many People Are Named Sinthia?
people named Sinthia are alive in the United States today (estimate)
About 1 in 1,345,609 people in the US has this name
Based on 258 babies named Sinthia in Social Security records from 1977 to 2023, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
19 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Sinthia in the records were girls.
👥 Age Distribution
The average person named Sinthia alive today is about 26 years old, and 64% are under 30. Half of them were between 21 and 32 in 2025.
📈 Popularity Over Time
Sinthia first appears in the records in 1977 and was given most often in 2000, to 19 babies. The last year it was given to at least 5 babies of one sex was 2023.
Babies given the name each year, 1977 to 2023
🏆 Rank History
Sinthia has never been one of the 100 most popular girls' names. Its best rank was #5,905, in 2000.
| Girls | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #5,905 (2000) |
| Years in the top 100 | None |
| Rank in its biggest decade | #10,034 in the 2000s |
📍 State-Wise Distribution
People named Sinthia alive today, by the state where they were born (estimate; state records start in 1910).
More people named Sinthia were born in California than in any other state: about 39 of those alive today.
Look up another name
⊙ We don't save the names you search.