James Wilson was a resident of Mansfield on April 26, 1864 when he enlisted as a Private in Co. B of the 1st Regiment Connecticut Volunteer Heavy Artillery; he deserted on September 24, 1864. This James Wilson cannot be the same James Wilson from Mansfield in Co. G of the 7th Regiment Connecticut Volunteer Infantry and the United States Navy.
He was not living in Mansfield in the 1860 U.S. census; no further information is known.