The information you have on Mamie Minyard is correct.
The date of the marriage to James McDonald is Feb. 12, 1911.
Mamie was the daughter of William Minyard and Sallie Thompson.
Siblings of Mamie are;
Cora Lee(Carrie) Latham? born abt. 1879
Thomas Edmon-b. Aug. 1875
Belton B.-b. abt. 1882
Edna-abt. 1891, Married Louis McCalop Jan. 19, 1908
I am not a direct descendant but these are all branches of my Carpenter line. Hope I helped.