Surname Toosa (Dosa 
, Toosa 
) , all over the world, is quite a common cognomen. The last name Toosa is characteristic of Eastern Europe, particularly Hungary, where it is quite a common surname, Romania, where it is quite a rare surname, and Slovakia. Measured by absolute frequency, it is commonest in Hungary, India, and Nigeria. Likewise, Toosa is the forename as well as the last name.