Samuel Washington (1734–1781) was a brother of United States President George Washington. He was born on November 27, 1734 [O.S. November 16, 1734] at Pope's Creek, Wakefield, Westmoreland County, Virginia. He died at age 46 on September 26, 1781, a couple of days before the decisive Franco-American victory of Yorktown. His probable cause of death was from tuberculosis, or a similarly contagious and recurring respiratory disease.
Samuel served in numerous posts in Stafford County, Virginia including justice of the peace, county magistrate, county sheriff, militia officer, and parish vestryman. He resided at Mount Vernon from 1735 to 1738.
He had Harewood, a Georgian-style mansion near then Charles Town, Virginia, designed by the renowned architect John Ariss in 1770. It was listed on the National Register of Historic Places in 1973.
Samuel married five times and had nine children: