Thomas Edmondson was mentioned in the 23 November 1726 will of his father Benjamin Edmondson. He was to receive all land and was named co-executor. Thomas was to pay unto his brothers Benjamin and Upton £8 when they came of age. [Essex County, Virginia, Will Book 4, pages 240–241.]

On 19 August 1741, a Thomas Edmondson junr witnessed the will of James Edmondson. [Essex County, Virginia, Will Book 6, pages 340–341.]

On 15 September 1741, John Edmondson and a Thomas Edmondson jr were bound £1,500 sterling for John Edmondson’s execution of the last will and testament of James Edmondson. [Essex County, Virginia, Will Book 6, pages 341–342.]

On 20 August 1745, Elizabeth Coghill, a Thomas Edmondson and James Boughan were bound £250 current money for Elizabeth Coghill’s administration of the goods, chattles and credits of James Coghill deceased. [Essex County, Virginia, Will Book 7, pages 360–361.]

An inventory of the estate of Benja Fisher deceased ordered 20 August 1745 was made by a Thomas Edmondson, John Edmondson and William Covington. Wm Dunn administrator. Ordered recorded 17 March 1746. [Essex County, Virginia, Will Book 7, pages 504–505.]

On 6 March 1753, a Thomas Edmondson witnessed the will of Judith Edmondson. [Essex County, Virginia, Will Book 9, pages 236–237.]

On 4 December 1755, a Thomas Edmondson Junr. cast votes for Colonel William Daingerfield and Colonel Francis Smith for burgesses of Essex County. [Essex County, Virginia, Deed Book 27, pages 248–252.]

On 16 February 1756, a Thomas Edmondson Junior and Grifel his wife of the County of Essex and Parish of Southfarnham, Planter, sold to Drury Dobyns of the County of King William and Parish of Saint Davids, Planter. Lease and release. For 5 shillings/£50 current money, land Thomas now lives on, 100 acres more or less, bordering that of John Finney, James Webb, Robert Acors and John Brizendine. Signed Thos Edmondson, Grifel her x mark Edmondson. Witnesses: Thomas Cox, John his x mark Brizendine. Recorded 17 February 1756. [Essex County, Virginia, Deed Book 27, pages 189–192.]

On 10 December 1756, William Jones and Ann his wife of the Parish of Christ Church and County of Middlesex sold to a Thomas Edmondson of the Parish of Southfarnham and County of Essex. For £40, a parcel on the northwest side of Piscattaway Creek inherited from his father Capt James Jones, amounting to 160 acres more or less. Signed William Jones, Ann her x mark Jones. Witnesses: John Jones, Joseph Bates, James Edmondson, Thomas Wortham. Recorded 19 April 1757. [Essex County, Virginia, Deed Book 27, pages 289–291.]

On 22 January 1757, Henry Purkins Taylor and Sarah his wife of the Parish of Southfarnham and County of Essex sold to a Thomas Edmondson of the same. For £15 current money, land on the south side of Piscattaway Creek granted to Daniel Taylar my Father by Thomas Edmondson and Constant his wife on 17 May 1729, amounting to 50 acres. Signed Henry Purkins Taylor, Sarah her x mark Taylor. Witnesses: William Wright, James Edmondson, Judeth Edmondson, Han: Philips. Recorded 15 March 1757. [Essex County, Virginia, Deed Book 27, pages 280–281.]

On 22 January 1757, Henry Purkins Taylor was bound to a Thomas Edmondson £30 current money. Signed Henry Purkins Taylor. Witnesses: William Wright, James Edmondson, Judeth Edmondson, Hanh: Philips. Recorded 15 March 1757. [Essex County, Virginia, Deed Book 27, page 288.]

The 14 March 1779 will of Leah Edmondson includes a bequest to her neice Ann Allen of six silver tablespoons “that Thomas Edmondson at Winchester had Silver to get made”. [Essex County, Virginia, Will Book 13, pages 323–324.]