Donald McNeill Fairfax (August 10, 1822-January 10, 1894) was a rear admiral in the United States Navy.
(1822-08-10)August 10, 1822
Mount Eagle, Fairfax County, Virginia January 10, 1894(1894-01-10) (aged 75)
Hagerstown, Maryland United States Navy Rear admiral 
Donald MacNeil Fairfax (March 10, 1818  January 10, 1894) was an officer in the United States Navy during the American Civil War. Fairfax was later promoted to flag rank, retiring as a Rear Admiral on September 30, 1881. 
