Sosi is a very rare girls' name that peaked in 2022 and has grown less common since.
Sosi is a girl name. In 2025 it ranked #16,960 for girl births in the United States (and #28,048 across all names), given to 5 babies. Sosi was first reported in SSA data in 2020 and peaked in 2022 (6 births).
Girls named Sosi per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 2020–2025 · U.S.+territories from SSA territory files (1998–2025) · SSA publishes a name only in years it was given to at least 5 babies, so a name may have been in use before — or between — the years shown here