Edgar A. Lockwood was a resident of Lebanon on September 10, 1861 when he enlisted as a Private in Co. D of the 8^th Regiment Connecticut Volunteer Infantry; he was promoted to Corporal on October 1, 1863 and discharged on December 12, 1865.

He was born about 1842 in Lebanon, Connecticut to Alfred and Mary Jane (Abel) Lockwood. In the 1860 U.S. census in Lebanon, he is an 18 year old in the household of Alfred Lockwood. After the Civil War he moved to Mansfield and was living there by the 1870 U.S. census, working as a farm laborer. Edgar Lockwood married Mary Julia Warren on January 23, 1864 in Mansfield and second, Ellen M. (Nichols) Perkins, the widow of Mansfield Civil War soldier, James Perkins. Children from the second marriage include: Lucy Jennie Lockwood, born about 1868; Edith Adella Lockwood, born about 1873 and Edgar A. Lockwood, born about 1875.

Edgar A. Lockwood died January 17, 1879 and is buried at the New Mansfield Center Cemetery in Mansfield.