John R. Brock
Mustered into service as a Private on March 4th, 1864
Died 25 November 1912
Buried Placerville Cemetery, El Dorado County California
Private Brock entered the service using the name John R. Morgan .
In the fall of 1864 he transferred to the 20th Indinaa Infantry with the other surviving members of the 19th.
John filed for a pension in 1894.