Last name 洛辛 (洛辛 
, Lossing 
) , in all the world, is a rare cognomen. The cognomen 洛辛 is characteristic of the United States, where it is a rare surname, Canada, and Australia, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in the United States, Canada, and China. Much less frequently, 洛辛 is the forename as well as the last name.