Francis Jacobs was a resident of Mansfield on August 11, 1862 when he enlisted as a Private in Co. D of the 21st Regiment Connecticut Volunteer Infantry. He was discharged for disability on January 9, 1863.

The descriptive muster roll of the 21st Regiment Connecticut Volunteer Infantry lists his age as 23 and his occupation as farmer.  He is described as 5’ 9” tall with a fair complexion and brown hair and dark eyes.  His marital status is single. 

He was born March 20, 1839 in Mansfield to Nelson and Almira (Herrick) Jacobs. In the 1860 U.S. census in Mansfield, he is a 21 year old living in the household of David H. Jacobs, probably, his brother. Francis Jacobs married Mary A.____ about 1864. Children include: Carrie E. Jacobs, born about 1865; Wayland F. Jacobs, born about 1869, Wilbert F. Jacobs, born about 1872; Lilly A. Jacobs, born about 1875 and Emma E. Jacobs, born about 1879.

In the 1870 U.S. census, he was a clerk in a saloon in Windham and in 1880, a laborer, living in Mansfield. He moved back to Willimantic between 1880 and 1900.

On September 16, 1880, he applied for an invalid pension, No. 410,626 that was granted under certificate No. 423,720. His widow applied for a pension on November 16, 1921.

Francis Jacobs died on October 11, 1921 in Willimantic and is buried at the Old Cemetery in Windham, Connecticut.