David Gibson was a resident of Mansfield on August 30, 1864 when he enlisted as a Private in Co. I of the 1st Regiment Connecticut Volunteer Heavy Artillery; he was mustered out September 25, 1865 at Washington, DC.  He is listed in regimental records as a substitute or drafted.

He was born about July 1846 in Connecticut probably to David and Agnes ______ Gibson, both born in Scotland. In the 1860 U.S. census in Enfield, he is a 17 year old farm laborer in the household of David Gibson. David Gibson married Marguerite ______ about 1870; children include Frederick Gibson, born about 1874 and John Gibson, born about 1876. After the Civil War, he worked as a laborer in Enfield, Connecticut; he moved to Bannack, Montana after 1880. He is a laborer there in the 1900 U.S. census and a quartz miner in the 1910 census.

On February 15, 1890, he applied for an invalid pension, No. 755,693 that was granted under certificate No. 504,982. His widow applied for a pension on December 1, 1919.

David Gibson died between 1910 and December 1, 1919. He is buried at the Bannack Cemetery in Bannack, Montana.