There is a John W. Eggman age 8 Born about 1852in 1860 Ohio Clinton Co Census. Son of Ezekiel & Margaret Dorsey Eggman(married 17 Sept 1849 in Clark Co IN.) John W (29)is also in 1880 Madison Co In Census: with wife Louisaage 23, daughter Sarah A. and son Ezekiel age 2.
I believe this John W is the father of Margaret. Margaret Chesnut is in 1930 Census Madison Co. Head of Household :Margaret M. Chesnut Sarah A. Eggman(Aunt) John S.age 29 Edith age 24 Hope this helps. I am researching George F Eggman 1867 and wife "Bettie"