William H. Hill was mentioned in the 6 January 1823 will of his father, Thomas Hill, proved 21 April 1823. He was to receive two thirds of the estate and was named executor. [Essex County, Virginia, Will Book 19, page 372.]

On 21 April 1823, William H. Hill, Joseph P. Hill, Fontaine Wood, Laneas C. Gatewood and George Wright were bound in the penalty of $15,000 for William H. Hill’s executorship of the estate of Thomas Hill, deceased. [Essex County, Virginia, Will Book 19, pages 372–373.]

On [date blank] July 1824, Martha Hill, widdow and relict of Thomas Hill, deceased, in consideration of the confidence I repose of in my son William H. Hill, and the sum of one dollar to me paid by George Wright, Fontaine Wood and Linneaus C. Gatewood, securities for my son William H. Hill for his executorship on the estate of the said Thomas Hill, deceased, discharges the said George Wright, Fontaine Wood and Linneus Gatewood fron all obligations they may have for the support of Martha Hill under the will of Thomas Hill. Ordered recorded 19 July 1824. [Essex County, Virginia, Will Book 20, page 65.]