The names other than Wilbourn in this short post may help your research in these probate and marriage records.
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)
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*
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.
My Direct Line in Virginia:
Other Wilbourns in This Series (in alphabetical order):
Early Wilbourns of Norfolk County
Most of these posts have names other than Wilbourn. Some posts have hundreds of names.