"Mary Ann Magnin (1850-1943) was a Dutch-born American businesswoman. She was the co-founder of I. Magnin, an upscale women's clothing store in San Francisco, California."@en . . . . "Mary Ann Magnin"@en . . . "1943-12-05Z"^^ . . "Mary Ann Cohen"@en . . "1850Z"^^ . "Magnin, Mary Ann"@en . "American businesswoman" . "1943Z"^^ . .