William Baker Gilbert, b. 24 Sept. 1837 in Kaskaskia, Randolph County, Illinois, d. 6 Jun 1923 in Cairo, Alexander County, Illinois, son of Miles Amma Gilbert & Ann Eliza Baker.
William Lewis Gilbert, b. 30 Dec 1806 in Litchfield, Litchfield County, Connecticut, d. 29 Jun 1890 in Winchester, Litchfield County, Connecticut, son of James Gilbert & Abigail Kinney. He married Clarinda K. Hine (1st wife) on May 13, 1835 in Washington, Litchfield County, Connecticut. He married Anna E. Westcott (2nd wife) in 1875.
William Markley Gilbert, b. 25 Jul 1852 in Philadelphia, Philadelphia County, Pennsylvania, d. 9 Jan 1926 in Neenah, Winnebago County, Wisconsin, son of William H. Gilbert & Anna Apple.
William Sabin Gilbert, b. 23 Nov 1809 in Warren, Washington County, Vermont, d. 1 Sept. 1890 in Coldwater, Branch County, Michigan, son of Calvin Gilbert & Hannah Unknown. He married Hannah Parrish on January 1, 1839 in Bronson, Branch County, Michigan.
Willis Henry Gilbert, b. 18 Apr 1855 in Syracuse, Onondaga County, New York, d. 6 Jan 1934 in Bainbridge, Decatur County, Georgia, son of Frederick Gilbert & Susan B. Willis.