 Born into a Quaker family active in the printing industry in Philadelphia, Milhous is also known for her graphic designs for the Works Progress Administration(WPA).Her work has been exhibited at the 1939 New York World's Fair and at the Pennsylvania Academy of the Fine Arts.Katherine Milhous was born November 27, 1894, to Osborn and Katherine Daly Milhous of Philadelphia, Quakers who made their living as printers.