1930 New York, Schenectady County, Schenectady City, 11th precinct, block no. 132, E.D. 47-67, S.D. 4, sheet 6B, film T626-1646 (taken 7 April 1930)
1225 Parkwood Blvd., dwelling 128, family 163
MacElhose, Irving K., head, owns house $11000, male, white, age 34, married age 26, born Illinois, parents born Illinois, electrical engineer with power company
--------------, Ruth E., wife, female, age 30, married age 22, born New York, parents born New York
--------------, Martha, daughter, female, white, age 7, single, born New York, father born Illinois, mother born New York
--------------, Jean, daughter, female, white, age 5, single, born New York, father born Illinois, mother born New York
--------------, Mary Lou, daughter, female, age 0? other words, single, born New York, father born Illinois, mother born New York

1940 New York, Schenectady County, Niskayuna, E.D. 47-19, sheet 18A, stamped page 231
R.D. #1, household 402, owns, $12000
MacElhose, Irving H., head, male, white, age 44, married, 5 yrs college, Missouri, lived in same place in 1935, electrical engineer for public utility
-------------, Ruth E., wife, female, white, age 40, married, 4 yrs college, born New York, lived in same place in 1935
-------------, Martha, daughter, female, white, age 17, single, 3 yrs high school, born New York, lived in same place in 1935
-------------, Jean, daughter, female, white, age 15, single, 1 yr high school, born New York, lived in same place in 1935
-------------, Mary Lou, daughter, female, white, age 10, single, 3rd grade, born New York, lived in same place in 1935
Evans, Mary D., mother-in-law, female, white, age 67, widow, 8th grade, born New York, lived in same place in 1935