Question

Can you find the ancestors of Martha Evelyn Roosa?

Answer 1

Possibility?

Source: "United States Census, 1870", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8K1-7XF : 18 March 2020), Martha Roosa in entry for Peter E Roosa, 1870.

United States Census, 1870 Saugerties, Ulster, New York
: Peter E Roosa      Male       38  New York
: Jane E Roosa       Female   29 New York
: George E Roosa  Male       10 New York
: Alice J Roosa       Female    8  New York
: Martha Roosa    Female    5  New York
: Lewis S Roosa    Male        1  New York

See also: "United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZZJ-9C5 : 20 August 2017), Martha E Roosa in household of Peter D Roosa, Hudson, Columbia, New York, United States; citing enumeration district ED 19, sheet 340D, NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm 1,254,821.

Answer 2

Peter E Roosa, 1850 United States Census, Kingston, Ulster, New York

William Roosa, 44, Ann M Roosa 33, Peter E Roosa 18, and Stephen C Roosa 8. All in household were born in New York.

Martha's father is Peter E. Roosa, and her paternal grandparents are William and Ann M Roosa.