Mary Loomis was a Union nurse during the American Civil War.

[1] When the Civil War broke out, Loomis was living with her first husband, George W. Van Pelt, in Coldwater, Michigan.

She enlisted in the service as a volunteer nurse alongside her husband in May 1861 as Mary Van Pelt; they were both in the 1st Michigan Light Artillery.

Once again, Van Pelt served as a matron, this time under the surgeon J.R. Goodwin, MD.

[2] Her husband died in the Battle of Chickamauga in September 1863, and Mary left the service shortly after in November.