Martin appeared in the household of
Ole Peter Christopherson in a census on 2 July 1900 in Pleasant Valley, Clay, South Dakota, United States. 1) Ole Christopherson, head household, white, male, born June 1860, age 39, married 13 years, born in Norway as were both parents, immigrated 1881, in U.S. 18 years, naturalized citizen, farmer, can read, write, and speak English, owns home free.
2) Magdaine Christopherson, wife, white, female, born September 1857, age 42, married 13 years, gave birth to 10 children, 8 whom are living, born in Denmark, as were both parents, can read, write, and speak English.
3) Carl J. Christopherson, son, white, male, born August 1888, age 11, born in South Dakota, father born in Norway, mother born in Denmark, at school.
4) Mattie J. Christopherson, daughter, white, female, born in February 1891, age 9, born in South Dakota, father born in Norway, mother born in Denmark.
5) Matrie Christopherson, son, white,male, born April 1893, age 7, born in South Dakota, father born in Norway, mother born in Denmark.
6) Alice C. Christopherson, daughter, born in May 1897, age 3, born in South Dakota, father born in Norway, mother born in Denmark.
7) Edwin A. Johnson, step son, white, male, born in April 1884, age 16, born in South Dakota, father born in Norway, mother born in Denmark.
8) Christopher Vold, father, white, male, born February 1834, age 66, widowed, born in Norway, as were both parents, does not speak English.