Notes:
1910 Census, MI, Gladwin Co., Grout twp., ED 113, p. 77, dwelling 27
Muma, Corey T., head, 39, single, b: Canada/Canada/Canada, arrived USA 1877, Farmer
" , John B., brother, 47, single, b: Canada/Canada/Canada, arrived USA 1877, laborer, home farm
" , Percy R., brother, 34, single, b: Canada/Canada/Canada, arrived USA 1877, laborer, home farm
" , George, brother, 33, single, b: Canada/Canada/Canada, arrived USA 1877, laborer, home farm
1920 Census, MI, Gladwin Co., Grout twp., ED 178, dwelling 69
Muma, Corey, head, 46, single, arrived USA 1877, naturalized 1887, b: Canada/Canada/Canada, farmer
" , Percy, brother, 45, single, arrived USA 1877, naturalized 1887, b: Canada/Canada/Canada, farmer
" , John, brother, 55, arrived USA 1877, naturalized 1887, b: Canada/Canada/Canada, farmer