John Tayloe III (September 2, 1770March 23, 1828), of Richmond County, Virginia, was the premier Virginia planter; a politician, businessman, and tidewater gentry scion. He was prominent in elite social circles. A highly successful planter and early Thoroughbred horse breeder, he was considered the "wealthiest man of his day". A military officer, he also served in the Virginia House of Delegates and Senate of Virginia for nine years. The Tayloe family of Richmond County, including his father, John Tayloe II, and grandfather, John Tayloe I, exemplified gentry entrepreneurship by the diversifying business interests utilizing agriculture to begin vertically integrating including shipbuilding and iron production. Early years Tayloe was born September 2, or September 13, 1770. the son of John Tayloe II and Rebecca (née Plater) Tayloe, herself from a long-established Maryland gentry family. Her brother was George Plater and brother-in-law was Edward Lloyd III. His paternal grandfather was Col. John Tayloe I of the Old House; and great grandfather was Col William Tayloe, the nephew of the original settler Col William Tayloe of Kingsmill Plantation, husband of Elizabeth Kingsmill, daughter of Richard Kingsmill of the Virginia Company.

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John Tayloe III (September 2, 1770March 23, 1828), of Richmond County, Virginia, was the premier Virginia planter; a politician, businessman, and tidewater gentry scion. He was prominent in elite social circles. A highly successful planter and early Thoroughbred horse breeder, he was considered the "wealthiest man of his day". A military officer, he also served in the Virginia House of Delegates and Senate of Virginia for nine years.