The names other than Wilbourn in this short post may help your research in these probate and marriage records.
PROBATE
December 16, 1797: Lankford Wilbourn witnesses the will of John Reed, Sr. Wife: Mary; Dau: Eliza Mason, Dau: Elizabeth Mason, son: James Reed; executors: none; wit: Nathaniel Grant, Lankford (X) Wilbourn, Geo. Ivy; proved by Nathaniel Grant and Lankford Wilbourn. James Esther, with William Miers, gets his security-given certificate, for letters of administration (Will Book III, pp. 199-199a)
MARRIAGES
May 13, 1796: Simon Wilbourn and Mrs. Margaret Beatley; surety: John Abbott
November 26, 1801: Lancaster Wilbourn and (no name given); surety: John Grant
September 20, 1802: Lancaster Wilbon and Margaret Jones (?); surety: Thomas Willoughby
November 14, 1815: Benjamin Harvey and Elizabeth Wilbern; surety: Edmund Twiford; married by Rev. Thomas T. Jones*
January 31, 1816: Lancaster Wilborn and Mrs. Elizabeth Rockwell; surety: Samuel Davis; married 1 February 1, 1816 by Rev. Thomas T. Jones*
SOURCES
Ethel W. Brewster, Norfolk County, Virginia, Will Book III, 1788-1802,
Elizabeth b. Wingo, Marriages of Norfolk County (now City of Chesapeake), Virginia, 1788, 1793-1817, published privately, 1963.
*See more on Thomas T. Jones in the Princess Anne County, Virginia post.
RELATED
My Direct Line in Virginia:
Earliest Wilbourns of Virginia
Thomas Wilbourn and Hannah Lamkin
Other Wilbourns in This Series (in alphabetical order):
Early Wilbourns of Accomack County
Early Wilbourns of Albemarle County
Early Wilbourns of Brunswick County
Early Wilbourns of Buckingham County
Early Wilbourns of Campbell County
Early Wilbourns of Caroline County
Early Wilbourns of Cumberland County
Early Wilbourns of Essex County
Early Wilbourns of Fauquier County
Early Wilbourns of Frederick County
Early Wilbourns of Goochland County
Early Wilbourns of Greenville County
Early Wilbourns of Halifax County
Early Wilbourns of King and Queen County
Early Wilbourns of Louisa County
Early Wilbourns of Lunenburg County
Early Wilbourns of Mecklenburg County
Early Wilbourns of Middlesex County
Early Wilbourns of Norfolk County
Early Wilbourns of Powhatan County
Early Wilbourns of Prince Edward County
Early Wilbourns of Prince George County
Early Wilbourns of Prince William County
Early Wilbourns of Princess Anne County
Early Wilbourns of Spotsylvania County
Early Wilbourns of Surry County
Early Wilbourns of Sussex County
Early Wilbourns of Westmoreland County
Most of these posts have names other than Wilbourn. Some posts have hundreds of names.