Looks like the son was Adopted. 1900 Winnebago, Faribault, Minnesota census Household Role GenderAge Birthplace Isaiah W Perkins Head M 62 New York Ann Eliza Perkins Wife F 61 New York Frank Fortaine Adopted son M 26 Maine Martha Kantack Servant F 20 Minnesota Minnesota, Deaths Isaiah William Perkins Death Date: 28 Oct 1910 Death Place: Winnebago, Faribault, Minnesota Age: 62 Birth Date: 05 Apr 1848 Birthplace: Crown Point, N. Y. Father's Name: William Perkins Father's Birthplace: Crown Point, N. Y. Mother's Name: Torphena Parmler Mother's Birthplace: Crown Point, N. Y. Newspapers are archived on microfilm in public libraries and local historical societies. look for obit.