Mary was born Maria Sophia Johanna Schulz. She is the daughter of Heinrich "Henry" and Carolina "Lena" Schulz.
Beloved wife of William C. Lemcke; dear mother of Clara L. (Ferdinand H.) Niehing, Minnie A. (Louis) Nieglos, William C. Jr. (Agnes) and Ella A. (Gustav) Buchholz. Grandmother of Margaret L. Niehing; Dolores, Marion and Shirley Lemcke; Wilburt and Dorothy Buchholz.