A last name or family name such as Archibald, Oppenheimer, Marriot, Duke, Carnegie, Pewterschmidt, etc. These names are usually reminiscent of royal British or royal Welsh surnames and derives from the names of historical business moguls such a Rockefeller.
Sometimes when you first hear these names, you think of MONEY. However, people who aren't rich and have a rich-sounding surname do exist.
The fucking Archibald family is worth $5 billion! Their rich surname matches their income.