- Dates: 1836-1905
Notes: Grave marker, Thomas Warfield Simmons
Source: Gravestone found on personal visit, 7/11/2009. Rose Hill Cemetery, Hagerstown, Washington County, MD.
- Dates: 5/17/1894
Notes: Registered in the Circuit Court of Washington County under the Act of 1892, Chapter 296, as amended by the Act of 1894, Chapter 217, of the Laws of Maryland.
Source: WASHINGTON COUNTY CIRCUIT COURT (Physicians and Surgeons Register) 1894-1938. Maryland State Archives, Annapolis, MD, p. 29