In 1780, Henry Garnett was appointed guardian of Mary Roy, orphan of James Roy, and he took control of the deceased’s estate. [Essex County, Virginia, Box Chancery No. 20, item 20-C-3.] Henry Garnett answered this complaint. [Essex County, Virginia, Box Chancery No. 20, item 20-C-2.]

On 10 October 1811, an inventory and appraisal of the estate of Henry Garnett, deceased, was made by John Richeson, Richd N Calliss, and Leod. Sale. [Essex County, Virginia, Will Book 18, pages 452–453.]

On 19 November 1817, an account of the sales of the estate of Henry Garnett, deceased, were returned to court by William Garnett and ordered to be recorded. [Essex County, Virginia, Will Book 18, pages 450–451.]