For Schmidt Ferreira there are 2 on Yasni with different names.
Among the most common last names on Yasni Schmidt Ferreira is on position 4525.
The name of Schmidt in all its various spellings (Schmid, Schmidt, Schmitt, Schmitz, etc.) goes back to the job title of the blacksmith. At the beginning of mechanization were large forge usually near rivers, because the hammers were operated by water power. An accumulation of this name in the vicinity of large rivers is therefore detectable. As was also needed in every village, a blacksmith (farrier, blacksmith, etc.), this name is now practically everywhere.
(Sent from: Jörg Schmidt, Mörfelden-Walldorf)
Ferreira is a variation of Ferreiro, the latter "Smith" means in Portuguese. As in German is also the name of Smith in the course of time has changed, such as Schmidt, Schmitz, Schmitt, etc.
(Sent from: C. Ferreira)