he married rebecca mccullough darlington on november 9, 1904 in pittsburgh, pennsylvania. they had two daughters, elizabeth ("betty") stoddard in 1907, eventual wife of fraser m. horn, and barbara stoddard in 1912, eventual wife of william reed kirkland, and a son, louis ezekiel stoddard, jr., who like his father was also prominent as a horseman and polo player. rebecca died of complications from childbirth on december 13, 1913.