Born in Attenburg, Germany
It is not known when he came to the United Staes, but there was a Hugo Findeisen who fought in the 2nd Maryland Infantry in the Civil War. (Have not been able to verifty that this is one in the same.)
Hugo was a clerk by profession.
On 14 January 1872 he enlisted in the 7th U.S. Cavalry.
By June 1876 he was in Company L, a Sgt. under James Calhoun. His life was probably spared at the Battle of the Little Big Horn, as he was on detached service, probably at Powder River Depot or Fort Abraham Lincoln. Calhoun, was the brother-in-law of the "Custer Clan" and his entire company was killed that day.