Cosetta is a very rare girls' name that peaked in 1956 and has since faded.
Cosetta is a girl name. In 2025 it ranked #15,437 for girl births in the United States (and #25,594 across all names), given to 5 babies. Cosetta first appears in 1926 and peaked in 1956 (8 births).
Girls named Cosetta per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 1926–2025 · U.S.+territories from SSA territory files (1998–2025)