Brau

Etymology
Two possible origins:
 * Borrowed from South, an occupational surname from a shortened form of an agent noun denoting a brewer;
 * Borrowed from and southern, a nickname from  or.

Statistics

 * According to the 2010 United States Census, Brau is the 41799th most common surname in the United States, belonging to 520 individuals. Brau is most common among White (77.12%) and Hispanic/Latino (20.96%) individuals.

Etymology
. In France, most prevalent in Hautes-Pyrénées.

Etymology
Most prevalent in Sardinia. , derived from a dialectal variant of the adjective. This surname is also found in Catalan and Occitan.