Looking for My Grandmother S Family Millie Johnson St Clair CO

Looking for my grandmother's family-Millie Johnson/St.Clair Co. Alabama-b-1863-married-Hosey Andrew Jackson/Interred @Macdonia Baptist Cemetery-Ragland, Al. This is the only information that can be found om her. Anything would be appericated. I'm in my 60's & would love to know more about her-I need medical information on my family for my illness. Thank You