), son of Dr. Charles Alexander Warfield, a doctor and wealthy landowner in Howard County, where he owned an estate called Bushy Park.

[3] Gustavus graduated in 1806 from the University of Pennsylvania and returned to Howard County to practice medicine with his father.

The elder Warfield died intestate in 1813, and Gustavus eventually took possession of part of his father's estate.

[4] Warfield practiced medicine and ran his forced-labor farm in the house; he would keep patients in a loft above his office if they were unfit to travel.

[1] In April 2024, plans were announced to open Howard County’s first-ever destination public garden at Longwood.