Cognomen 大哥 (大哥 
, Dage 
, Đại Ca 
) , across the world, is quite a rare surname. The surname 大哥 is habitual in Northern Europe, particularly Latvia, where it is quite a rare surname, Lithuania, where it is a rare surname, and Sweden. In absolute terms, it most frequently occurs in India, Nigeria, and Ethiopia. Likewise, 大哥 is the forename as well as the last name.