Jacob Norton of Portland, ME c.1860

Searching for Ancestors of:
Jacob Norton of Portland, ME (farmer)
m: Mary Jane Clark b: Aug. 16, 1884
Their daughter:
Irma Norton b: 18?
She married, George Domm/Dahm, March 1912.
Their daughter: (my mother)
Irma Mae Domm b: March 31, 1916 in Seneca, IL. d: December 18, 1998

George & Irma (Norton) Domm had one other child who died 19 days after birth. b: 1913. d: 1913. Her name was Mary Lillian.

Help crumble this wall. Any information would be greatly appreciated.
Thankyou,
D. Doc Derry