Sonni is a rare variant of Sonia that peaked in 1989 and has grown less common since.
Sonni is predominantly a girl name. In 2025 it ranked #9,384 among girls (11) and #9,591 among boys (8) — overall #10,922 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 19 | 19 | #9,384 | #9,591 |
| 2024 | 15 | 15 | #10,996 | #12,154 |
| 2023 | 22 | 22 | #6,896 | #13,906 |
| 2022 | 19 | 19 | #9,601 | #9,714 |
| 2021 | 15 | 15 | #11,050 | #11,941 |
| 2020 | 24 | 24 | #8,356 | #7,430 |
| 2019 | 6 | 6 | #15,334 | — |
| 2018 | 12 | 12 | #9,085 | — |
| 2017 | 8 | 8 | #12,597 | — |
| 2016 | 14 | 14 | #8,340 | — |
| 2015 | 15 | 15 | #10,769 | #13,769 |
| 2014 | 6 | 6 | #16,265 | — |
| 2012 | 5 | 5 | — | #13,932 |
| 2011 | 9 | 9 | #12,026 | — |
| 2010 | 7 | 7 | #14,761 | — |
| 2008 | 6 | 6 | #17,223 | — |
| 2007 | 8 | 8 | #13,775 | — |
| 2006 | 5 | 5 | — | #13,737 |
| 2005 | 12 | 12 | #14,316 | #13,081 |
| 2004 | 6 | 6 | #15,839 | — |
| 2003 | 7 | 7 | #13,661 | — |
| 2002 | 8 | 8 | #12,050 | — |
| 2001 | 8 | 8 | #11,916 | — |
| 2000 | 6 | 6 | #14,776 | — |
| 1999 | 5 | 5 | #16,578 | — |
| 1998 | 5 | 5 | #16,272 | — |
| 1997 | 8 | — | #10,696 | — |
| 1996 | 10 | — | #8,740 | — |
| 1995 | 6 | — | #13,178 | — |
| 1994 | 8 | — | #10,415 | — |
| 1993 | 8 | — | #10,458 | — |
| 1992 | 18 | — | #5,449 | — |
| 1991 | 14 | — | #6,552 | — |
| 1990 | 23 | — | #4,363 | — |
| 1989 | 33 | — | #3,242 | — |
| 1988 | 27 | — | #3,573 | — |
| 1987 | 22 | — | #3,965 | — |
| 1986 | 13 | — | #5,724 | — |
| 1985 | 6 | — | #10,505 | — |
| 1984 | 7 | — | #9,010 | — |
| 1983 | 7 | — | #8,875 | — |
| 1982 | 15 | — | #4,915 | — |
| 1981 | 15 | — | #4,934 | — |
| 1980 | 12 | — | #5,862 | — |
| 1979 | 6 | — | #10,034 | — |
| 1978 | 6 | — | #9,567 | — |
| 1976 | 6 | — | #9,084 | — |
| 1974 | 9 | — | #6,180 | — |
| 1973 | 6 | — | #8,273 | — |
| 1972 | 7 | — | #7,170 | — |
| 1971 | 8 | — | #6,532 | — |
| 1970 | 12 | — | #4,730 | — |
| 1969 | 5 | — | #8,514 | — |
| 1967 | 6 | — | #6,688 | — |
| 1966 | 5 | — | #7,465 | — |