He was wounded 10 May 1864, while serving as a private with Company "K", 6th Regiment, Vermont Volunteer Infantry. He received a pension as an Army Invalid. The record gives his disabilities as a gunshot wound in the right thigh, rheumatism and resulting disease of the heart. His widow received a pension as an Army Widow.
1870 Census, Highgate, Franklin County, Vermont, Page 290b, Household 147-147. Barnum, Rodney, 27, stone mason, Vermont
Barnum, Mary, 21, keeping house, Vermont
Barnum, George, 1, at home, Vermont
Horskins, Jane, 51, no occupation, Vermont
Horskins, Clara, 7, at home, New York
1900 Census, Franklin, Franklin County, Vermont, Page 113a, Household 140-151.
Barnum, Rodney R., head, December 1843, 56, md. 33 yrs., Vermont, Vermont, Vermont, farmer
Barnum, Mary E., wife, October 1848, 51, md. 33 yrs., 1-1 children, Vermont, Vermont, Vermont
Barnum, George H., head, February 1869, 31, md. 7 yrs., Vermont, Vermont, Vermont, farmer Barnum, Sarah I, wife, June 1872, 27, md. 7 yrs., 1-1 children, Canada, Canada, Canada Barnum, Walter L., son, July 1899, 10/12, Vermont, Vermont, Canada
1910 Census, Franklin, Franklin County, Vermont, Page 122a, Household 146-151
Barnum, Rodney R., head, 66, m. 1st, m. 43 yrs., Vermont, Vermont, Vermont, farmer, general farm
Barnum, Mary E., wife, 61, m. 1st, md. 43 yrs., 1-1 children, Vermont, Vermont, Vermont, none
1910 Census, Franklin, Franklin County, Vermont, Page 122a, Household 147-152
Barnum, George H., son, 40, md. 1st, md. 17 yrs., Vermont, Vermont, Vermont, farmer, general farm
Barnum, Sarah I., daughter-in-law, 38, md. 1st, md. 17 yrs., 2-2 children, Canada, Canada, Canada, 1890
Barnum, Walter L., son, 10, single, Vermont, Vermont, Canada, none
Barnum, A. Maud, daughter, 9, single, Vermont, Vermont, Canada