Ancestors of Mary Osa Davis

                     /--Andrew J. Davis
             /--James Calvin Davis  b. 20 MAR 1863 at Bethlehem, Wayne Co, IA  d. 16 JUL 1951
             |       \--Mary E. Mccomas
Mary Osa Davis  b. SEP 1897 at Wayne Co., IA  d. 1985
             |       /--William H. Mumma  b. 22 NOV 1836 at Salem Twp., Tuscarawas Co., OH  d. 22 MAR 1921 =>
             \--Mary Ellen Mumma  b. 30 NOV 1873 at Salem Twp., Tuscarawas Co., OH  d. 1962
                     \--Sarah Elizabeth Pumphrey  b. 13 JUN 1844 at OH  d. 24 DEC 1882 =>