Mary M. Balzer was born 3 Feb 1869 in Rochester NY, the daughter of Augustus and Adelaide (Michaels) Balzer. She married Thomas Webster Newcomb (b. 13 Dec 1846), as his second wife, 7 Jun 1897. They had a son, Thomas Scott Newcomb. Mary died around 1923. Thomas's first wife, with whom he had four children, was Ella Wood (1850-1895). His third wife was Minnie Hanf.
Sources: B.M. Newcomb, J.B. Newcomb, newspaper archives