John Tayloe II was a Virginia planter, ironmaster and horse breeder who lived from 1721 to 1779. The available external biographical record associates John Tayloe II with the following work or social roles: businessperson. Additional claims about employment, officeholding, military service, or accomplishments have been omitted where the consulted record did not support them. In the spring of 1769, Capt Littleberry Hardyman again won the purse with "Mark Anthony," beating John Tayloe's "Nonpareil" and Nathaniel Wlthoe's "Fanny Murray." In the fall of 1774, at Fredericksburg, John Tayloe's "Single Peeper" won the 50 Pound Purse, beating Benjamin Grymes' "Miss Spot," Walker Tailaferro's "Valiant," Spotswood's "Fearnaught," Charles Jones' "Regulus," Procter's "Jenny Bottom," Robert Slaughter's "Ariel", and Peter Presley' Thornton's "Ariel." John Tayloe II died on Apr 18, 1779, in Mount Airy. The available biographical account does not describe a continuous final medical course. It gives no dependable sequence of treatment and last symptoms from which to reconstruct a more detailed bedside narrative.