Alvan House Libby, b. 14 May 1834 in Jay, Franklin County, Maine, d. 18 Jul 1863 killed during the assault on Fort Wagner, Morris Island, South Carolina, son of Asa Libby & Lucy Cushman House. He married Lizzie E. Hall on June 1, 1861 in Manchester, Hillsborough County, New Hampshire.
Ara Brooks Libby, b. 11 Jan 1870 in Litchfield, Kennebec County, Maine, d. 19 Nov 1949 in Gardiner, Kennebec County, Maine, son of Nathaniel Libby & Nancy Lydston. He married Lucy Harris Libby on August 29, 1895 in Gardiner, Kennebec County, Maine.
Augustus Frost Libby, b. 16 Nov 1841 in Limerick, York County, Maine, d. 19 Mar 1919 in Summit, Union County, New Jersey, son of James Brackett Libby & Hannah Catherine Morrill. He married Harriet Maria Robbins on December 18, 1866 in Brunswick, Cumberland County, Maine.