Dear Mr. Mulheran,
Thank you for posting your request on History Hub!
We searched the National Archives Catalog and located 151 record series related to burials during the 1860s. Unfortunately, we were not able to identify which specific series this document is from with the information provided. Among the records we located was the Burial Registers of Military Posts and National Cemeteries, ca. 1862 - ca. 1960 in the Records of the Office of the Quartermaster General (Record Group 92), which includes the burial register for the Fayetteville National Cemetery. While not an exact match for this document, it provides similar information. For more information about these and other Civil War-era burial records, please contact the National Archives at Washington, DC - Textual Reference (RDT1) at Archives1reference@nara.gov.
Due to the COVID-19 pandemic and pursuant to guidance received from the Office of Management and Budget (OMB), NARA has adjusted its normal operations to balance the need of completing its mission-critical work while also adhering to the recommended social distancing for the safety of NARA staff. As a result of this re-prioritization of activities, you may experience a delay in receiving an initial acknowledgement as well as a substantive response to your reference request from RDT1. We apologize for this inconvenience and appreciate your understanding and patience.
This latter series has been digitized by Ancestry and is available at U.S., Burial Registers, Military Posts and National Cemeteries, 1862-1960. To view the register for the Fayetteville National Cemetery, under “Browse this Collection” select “Arkansas” as the Burial State and then select Fayetteville National Cemetery. There may be a fee for accessing these records on Ancestry. You may check with your local public, state, or university library as these institutions often provide access to Ancestry.com for their patrons.
We hope this is helpful. Best of luck with your research!