Welcome H. Geer was a resident of Mansfield on December 16, 1864 when he enlisted as a Private in Co. E of the 15th Regiment Connecticut Volunteer Infantry; he was transferred to Co. E of the 7th Regiment Connecticut Volunteer Infantry on June 23, 1865 and was mustered out July 20, 1865.

He was born about 1843 in Rhode Island, probably in Hopkinton, to Charles H. and Eliza P. (_____) Geer. In the 1860 U.S. census in North Stonington, Connecticut, he is a 15 year old in the household of Charles H. Geer. After the Civil War, he returned to Connecticut and worked as a farm laborer. Welcome Geer married Helen E. _____ about 1885. Children include: Welcome Arthur Geer, born about April 1888 and Raymond Geer, born about October, 1891. 

In the 1890 Veterans census, he is living in Hopkinton, Rhode Island and he is a farm laborer there in the 1900 U.S. census.

Welcome H. Geer died on March 18, 1901 in Hopkinton, Rhode Island; his burial place is not known.