Louisa Robertson, born in Ontario immigrated to U.S in 1853 at age 10 yrs. according to the 1870 census Louisa's father died when she and her sister Millisa were very young. Her mother later married a Phil Cunningham who raised the girls and was very kind to them. Louisa's mother was born in Ireland.
According to the 1900 census, Willet, born in Ontario immigrated/naturalized in U.S. in 1853 at age 19 yrs
May have livied in Springfield, Ohio before coming to Michigan
Bob