Marden initially worked as a farmer, then became a shoe later.[1] He joined the Knights of St. Crispin, and became secretary of its lodge in Stoneham, Massachusetts. He later joined the Knights of Labor, and then the New England Lasters' Protective Union. He served as treasurer of the New England Lasters from the late 1880s, continuing as it became the Lasters' Protective Union of America, until in 1895 it became part of the new Boot and Shoe Workers' Union. In 1893, he served a term as a vice-president of the American Federation of Labor.[2]