Sonji
Every Sonji since 1951 — 904 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Sonji
Sonji is not currently in use for newborns in the United States — fewer than five babies received the name in 2025. Its story lives in the historical record below.
Since 1951, 904 American babies have been named Sonji. Its peak came in 1966, when 225 newborns received the name — the signature sound of the 1960s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Sonji stood among all girls' names in any year, or use the compare tool to plot it against other names.
Sonji year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Girls | Girls rank |
|---|---|---|
| 2025 | — | — |
| 2024 | — | — |
| 2023 | — | — |
| 2022 | — | — |
| 2021 | — | — |
| 2020 | — | — |
| 2019 | — | — |
| 2018 | — | — |
| 2017 | — | — |
| 2016 | — | — |
| 2015 | — | — |
| 2014 | — | — |
| 2013 | — | — |
| 2012 | — | — |
| 2011 | — | — |
| 2010 | — | — |
| 2009 | — | — |
| 2008 | — | — |
| 2007 | — | — |
| 2006 | — | — |
| 2005 | — | — |
| 2004 | — | — |
| 2003 | — | — |
| 2002 | — | — |
| 2001 | — | — |
| 2000 | — | — |
| 1995 | — | — |
| 1990 | — | — |
| 1985 | — | — |
| 1980 | 8 | #8,063 |
| 1975 | 6 | #8,893 |
| 1970 | 39 | #2,113 |
| 1965 | 96 | #1,074 |
| 1960 | 8 | #5,120 |
| 1955 | 5 | #6,603 |
| 1950 | — | — |
| 1945 | — | — |
| 1940 | — | — |
| 1935 | — | — |
| 1930 | — | — |
| 1925 | — | — |
| 1920 | — | — |
| 1915 | — | — |
| 1910 | — | — |
| 1905 | — | — |
| 1900 | — | — |
| 1895 | — | — |
| 1890 | — | — |
| 1885 | — | — |
| 1880 | — | — |
Frequently asked questions
How popular is the name Sonji in 2025?
Sonji did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.
How many people are named Sonji?
904 babies have been named Sonji in the United States since 1951, based on Social Security card applications.
When was the name Sonji most popular?
Sonji peaked in 1966, when 225 newborns received the name.
Is Sonji a boy or girl name?
Sonji is overwhelmingly a girl's name — 100% of babies with the name.
Is the name Sonji rising or falling?
Sonji has been roughly stable over the past decade.