How Many People Are Named Sonji?
people named Sonji are alive in the United States today (estimate)
About 1 in 416,810 people in the US has this name
Based on 904 babies named Sonji in Social Security records from 1951 to 1991, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
225 births
Trend
Last year given
⚧ Gender Distribution
All of the babies given the name Sonji in the records were girls.
👥 Age Distribution
The average person named Sonji alive today is about 57 years old, and 80% are between 30 and 59. Half of them were between 55 and 59 in 2025.
📈 Popularity Over Time
Sonji first appears in the records in 1951 and was given most often in 1966, to 225 babies. The last year it was given to at least 5 babies of one sex was 1991.
Babies given the name each year, 1951 to 1991
🏆 Rank History
Sonji has never been one of the 100 most popular girls' names. Its best rank was #639, in 1966.
| Girls | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #639 (1966) |
| Years in the top 100 | None |
| Rank in its biggest decade | #1,421 in the 1960s |
📍 State-Wise Distribution
People named Sonji alive today, by the state where they were born (estimate; state records start in 1910).
More people named Sonji were born in Illinois than in any other state: about 60 of those alive today. Compared with the national rate in the same years, Sonji was given 5.3 times as often in Georgia and 2.6 times in Illinois.
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