Isaac Morrill enlisted as a Private on 18 May 1863 in Company L, 1st Heavy Artillery Regiment Vermont. He mustered out on 24 June 1865. Historical Data Systems, American Civil War Soldiers (Electronic database at http://www.ancestry.com), Source Medium: Book . [3]

[1]Vermont, Secretary of State, General index to vital records of Vermont, early to 1870 (Name: Salt Lake City: Filmed by the Genealogical Society of Utah, 1951;). .

[2]1870 US Census , Blooming Grove OH, p. 11a. 1870 US Census, Source Medium: Book .

[3]Historical Data Systems, American Civil War Soldiers (Name: Electronic database at http://www.ancestry.com;).