John W. Mariner (1868-1930), son of Ephraim and Lucinda Watkins Mariner, was born in Milwaukee in 1868. After graduating from Harvard in 1891, he returned to Milwaukee and entered into his father's business affairs, taking complete control of all of the elder Mariner's real estate transactions. When the Mariner Realty Company was formed in 1920, John W. Mariner was elected president, a post he held until his death on June 25, 1930. John W. Mariner was survived by his wife, Mary Farge Antisdel Mariner (1869-1952), whom he had married in 1894, and three daughters.
