Data source is Thomas Vincent Palmieri. [deceased]
Apparently Robert E. Mumaugh was adopted by his mother's 2nd husband and he is listed in the California death index as Robert E. Hill
Father:Henry Harrison MUMAUGH (b. 24 SEP 1890, Greentown, Howard Co., IN - d. 9 MAR 1922, Detroit, MI) Mother:Mary Elizabeth TYRRELL (b. 25 SEP 1892, Roscomon, MI - d. 5 JUL 1965, Marin Co., CA)