information on DAR site states
DARDEN, JOHN Ancestor #: A029786
Notice: FUTURE APPLICANTS MUST PROVE CORRECT SERVICE (WHY?)
Birth: 1710 ISLE OF WIGHT CO VIRGINIA
Death: ANTE 2-5-1789 ISLE OF WIGHT CO VIRGINIA
COMMENTS(Overview)
Created: 2019-07-02 08:17:57.383, Updated: 2019-07-02 08:17:57.383, By: 1) THIS MAN WAS MOST LIKELY TOO OLD TO SERVE AS A CAPTAIN. EL – JOHN DARDEN
Created: 2019-07-02 08:17:57.39, Updated: 2019-07-02 08:17:57.39, By: 2) A029787 IS NOT THE SON OF THIS MAN. DATACF 7/2019
RESIDENCE
Created: 2002-03-27 23:23:55.3, Updated: 2005-01-11 14:49:43.0, By: sjohnson 1) County: ISLE OF WIGHT CO - State: VIRGINIA
SPOUSE
Number Name
Created: 2002-03-27 23:17:13.16, Updated: 2002-03-27 23:17:13.16, 1) MARY COLEMAN
Created: 2006-05-19 08:47:35.0, Updated: 2006-05-19 08:47:35.0, 2) CHARITY X
Colonel John Dandridge, II Did not have a child “Mary Eliza” who married John Darden. Disconnected from impossible parents.
Ref: Cary, Wilson Miles. “The Dandridges of Virginia.” The William and Mary Quarterly, vol. 5, no. 1, 1896, pp. 30–39. https://archive.org/details/jstor-1921234/page/n4
So far it’s looking like the wife of John Darden, II was Mary Coleman, and the name “Mary Elizabeth Carr Dandridge” is from online trees.