Petrak

== English == === Etymology === Borrowed from Czech and Slovak Petrák. === Proper noun === Petrak (plural Petraks) A surname. ==== Statistics ==== According to the 2010 United States Census, Petrak is the 39486th most common surname in the United States, belonging to 557 individuals. Petrak is most common among White (96.23%) individuals. === Further reading === Hanks, Patrick, editor (2003), “Petrak”, in Dictionary of American Family Names, volume 3, New York: Oxford University Press, →ISBN.