Thomasa is a female name with English origins. It is a variant of the name Thomasina. The name Thomasa is pronounced as thuh-MAH-suh (/θəˈmɑsə/) in English. Thomasa has a long and rich history, with records of its usage dating back many years. In the United States, the popularity of the name Thomasa has fluctuated over time. It reached its peak in 1979 when it ranked 9th in terms of occurrence, with 6,692 newborns given this name that year. However, its popularity has declined since then. Despite this, Thomasa remains a unique and charming choice for parents looking for a classic and timeless name for their baby girl.