Family name Thomasa (Thomasa 
) , in all the world, is a rare cognomen. The family name Thomasa is characteristic of Lesotho, where it is quite a rare surname, Nicaragua, and Honduras, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in India, Nicaragua, and Lesotho. More prevalently, Thomasa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thomasa | Lesotho, Philippines, Nicaragua, United States, India |