Thereza is a very rare variant of Theresa that peaked in 2006 and remains in steady use.
Thereza is a girl name. In 2025 it ranked #17,048 for girl births in the United States (and #28,188 across all names), given to 5 babies. Thereza first appears in 2006 and peaked in 2006 (5 births).
Girls named Thereza per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 2006–2025 · U.S.+territories from SSA territory files (1998–2025)