He married Mary Susan Niswander . Mary Susan Niswander was born at Virginia 9 Apr 1854 .
They were the parents of 8
children:
Charles William McGuire
born 27 Jul 1875.
Fannie Elizabeth McGuire
born 21 Nov 1877.
Benjamin Franklin McGuire
born 22 Dec 1879.
Bessie Alice McGuire
born 1 Sep 1884.
Luther Roy McGuire
born 16 Oct 1886.
John Edgar McGuire
born 27 Mar 1889.
Annie Robert McGuire
born 26 Mar 1891.
Mary M. McGuire
born 1897/98.