Dear Mr. Hill,
Thank you for posting your request on History Hub!
We searched online and located the following web pages about Colonel Robert R. Stevens which provide additional information about his life and service.
Service records for officers of the Regular Army who separated from the service from 1789 through June 30, 1917 are in the custody of the National Archives in Washington, DC. Please complete a Form NATF 86 and mail it to Archival Operations Washington D.C., Form 86 – Military, National Archives and Records Administration, 700 Pennsylvania Avenue NW, Washington, DC 20408-0001. You can also submit your order online. For more information see Requesting Copies of Older Military Service Records, or contact National Archives at Washington, DC - Textual Reference (RDT1) via email at email@example.com.
Please note that the National Archives and Records Administration has suspended reproduction and digitization services until further notice due to COVID-19. Orders will not be serviced until operations can resume safely. We apologize for any inconvenience. Once operations resume, document reproduction requests will be filled in the order in which they were received.
We also located Returns of Military Organizations, ca. 1800 - 12/1916 in the Records of the Adjutant General's Office (Record Group 94) that includes returns from some of the units and posts to which he was assigned. These records have been digitized and can be viewed online through the Catalog. Many of these returns are also available in name searchable form on Ancestry. For example we searched turned up multiple results for Robert R. Stevens in their data collection U.S. Returns from Regular Army Infantry Regiments, 1821-1916. These records and many other Ancestry collections of National Archives records can currently be accessed without charge using a free Ancestry account.
We also located Interment Control Forms, 1928 - 1962 in the Records of the Office of the Quartermaster General (Record Group 92) that includes a card for him. To access these forms, please contact the National Archives at St. Louis (RL-SL) via email at firstname.lastname@example.org. Alternatively, this form is accessible through the Ancestry data collection U.S. National Cemetery Interment Control Forms, 1928-1962.
There may be additional records of the various units and posts to which he was assigned in the custody of RDT1. For more information about records of specific Army organizations, please post a follow up inquiry here or email RDT1.
Another source that is likely to have information about him is the federal census records. For example, we found the following listing on the 1880 Census.
Name: Robt . R . Stevens
Birth Date: Abt 1855
Home in 1880: Fort Abraham Lincoln, Burleigh, Dakota Territory, USA
Dwelling Number: 59
Marital status: Single
Occupation: 2nd Lieut-Usa
Because he was a graduate of the United State Military Academy, their library may have further information about him. We also located U.S. Army registers on HathiTrust that should list Robert Stevens for the years he was in service as well as the years when he was on the retired officer’s list. The California Department of Public Health should have death records for him.
In regards to questions about his family, please see our page Start Your Genealogy Research for some information about how to conduct genealogical research.
We hope this is helpful. Best of luck with your research!