Enlisted on 1 June 1861, at age 19, credited to Richford, VT. He mustered in as a private in Co. H, 3rd Vermont Volunteer Infantry Regiment, on 16 July 1861. On 21 December 1863, he reenlisted. He was promoted to corporal on 18 October 1864, transferred to Company K on 25 July 1864, promoted to Sergeant on 27 May 1865. He was slightly wounded during the Battle of Winchester on 19 September 1864, and one month later, on October 19, 1864, at Cedar Creek he was taken prisoner. Paroled on 17 February 1865, he mustered out on 19 June 1865 with his regiment.
On 9 July 1870, Milo, age 24 and single, was living in Montgomery, Alabama, Ward 3. His occupation is listed as deputy sheriff. When and how he moved to Alabama has not been determined.
He married Elizabeth V. Mitchell, a native of Alabama, in Montgomery, on 9 September 1875.
He applied for a pension on 18 July 1890. Earlier that year, Congress had passed the Dependent Pension Act, which no longer required service-incurred disabilities for Civil War veterans.
On 16 June 1891, Elizabeth applied for and was granted a widow's pension. According to a city directory, she was still living at 711 Lawrence Street, her occupation listed as dressmaker.
The marker shown in this memorial is only a memorial cenotaph erected in his memory. His actual burial location inside Oakwood, which is in Scott's Free Ground 2, is indicated by the coordinates on this memorial.