Margaret, Vard, and Lucinda are all linked to family search
Margaret Louise(a) (Hulen)
https://www.familysearch.org/tree/person/L81Y-DLZ
spouse of:
Jeremiah Vardaman "Vard" Hawkins https://www.familysearch.org/tree/person/L62R-BHG married Margaret Louise Hulen on November 26, 1836 (no location cited).
They had 10 children.one of which was
Lucinda Elizabeth (Hawkins) Cooper
https://www.familysearch.org/tree/person/KL1B-M7F
MD Cooper is NOT linked to family search. Someone has merged family search ID numbers for a Milton Cooper with M D (Milton Dorsey) Cooper. The birth/death dates and locations do not match for what is on MD's headstone.