1910 New York, Niagara County, Wilson Township, Wilson village, E.D. 142, sheet 5B (20 April 1910)
Seminary Street, dwelling 148, family 152
Pettit, Dayton M., head, male, white, age 38, married once for 9 years, born New York, father born New York, mother born Canada, carpenter, house
——, Minnie, J., wife, female, white, age 32, married once or 9 years, mother of 3 children, 3 living, born New York, parents born New York
——, Minard [sic], son, male, white, age 8, single, born New York, parents born New York
——, Clarice, daughter, female, white, age 6, single, born New York, parents born New York
——, Ora, daughter [sic], female, white, age 4, single, born New York, parents born New York

1915 New York State, Niagara County, Wilson Election Dist. 1, p. 13
Seinary St.
Oliphant, Anne, widow, white, female, age 86, U.S., citizen
Pettit, Dayton, head, white, male, age 44, U.S., contractor
Pettit, Minnie, wife, white, female, age 31, U.S., housework
Pettit, Maynard, son, white, male, age 13, U.S., school
Pettit, Clarice, daughter, white, female, age 11, U.S., school
Pettit, Ora, son, white, male, age 9, U.S., school

1920 New York, Niagara County, Town of Wilson, E.D. 157, sheet 3A, stamped page 93 (5 January 1920)
Conni.aria? Street, dwelling 65, family 68
Pettit, Dayton M., head, owns, male, white, age 48, married, born New York, father born New York, mother born Canada, contractor, office
——, Minnie J., wife, female, white, age 40, married, born New York, parents born New York, housewife
——, Maynard L., son, male, white, age 17, single, born New York, parents born New York
——, Clarice E., daughter, female, white, age 15, single, born New York, parents born New York
——, Ora J., son, male, white, age 13, single, born New York, parents born New York

1925 New York State Census, Niagara County, Election Dist. 1, Wilson, p. 9
Seminar Street
Pettit, Dayton M., head, white, male, age 51, U.S., plumber
Pettit, Minnie ?, wife, white, female, ate 46, U.S., housewife
Pettit, Maynard, son, white, male, age 23, U.S., plumber
Pettit, Clarice E., daughter, white, female, age 21, U.S., housework
Pettit, Ora H., son, white, male, age 18, U.S., radio dealer

1930 New York, Niagara County, Wilson Township, Wilson Village, E.D. 32-111, sheet 3A, stamped page 217 (8 April 1930)
Seminary, dwelling 78, family 78
Pettit, Dayton M., head, owns, $4500, radio, male, white, age 58, married at age 28, born New York, father born New York, mother born in Canada, plumbing, heating and plumbing
——, Minnie S., wife, female, white, age 51, married at age 22, born New York, father born Pennsylvania, mother born New York, sewing, dressmaker
——, Maynard D., son, male, white, age 28, single, born New York, parents born New York, plumbing, plumbing & heating
Shutt, Clarice E., daughter, female, white, age 26, married at age 21, born New York, parents born New York, sewing, dressmaker
Pettit, Oro J., son, male, white, age 23, single, born New York, parents born New York, service, power co.