There are several references to Christopher and Margaret Dalton in the Dalton Data Bank at
http://www.daltondatabank.org/Son Thomas, born in Leoni, Jackson County, Michigan on 20 Sept 1869 to Christopher & Margaret Dolton
There are 3 children listed that died in Jackson County, Michigan:
Catherine, died 17 Oct 1875, age 8 yrs., 6 mos., 5 days
Hettie, died 11 Oct 1875, age 11 yrs., 2 mos., 7 days
Thomas, died 20 Oct 1875, age 9 yrs., 10, mos., 6 days
Thomas & Margaret are also enumerated in the 1880 census of Michigan, in Jackson, Ward 8, Jackson County:
Christopher Dolton, farmer, 50, b. IRE; wife Margaret, 49, b. IRE; eight children b. MI - Mary 23; James 22; John, 20 rr lab., Margaret 19, dressmaker; Christopher, 18, rr lab.; Peter, 17 farm hand; Richard 11; Michael 10.
I hope this is helpful!
--Karen