That year, he initiated what was said to have been the first major horse race in the New World, involving fellow Virginia planters John Tayloe II, Francis Thornton, and Samuel Ogle & Benjamin Tasker Jr. of Maryland.

Byrd offered 500 Spanish pistoles for any horse in the land to race Tryall, with the winner taking the lot.

[6] Although his sale of property in assets of land, and enslaved, generated a huge sum, it still was not enough to pay off his creditors.

An excellent political match, as her father had been the colony's richest man, gaining his wealth as a prominent plantation owner, and enslaver.

[8] Byrd remarried, and fathered ten more children with his second wife, Mary Willing, daughter of Charles Willing of Philadelphia.