Following Research by pomnik

1880 United States Federal Census, Shellsburg, Benton, Iowa
Jerry E. Elson: Head, Age: 34, Birthdate: abt. 1846, Birthplace: Ohio Findagrave 59864594
Mary E Elson: Wife, Age: 34, Birthdate: abt. 1846, Birthplace: Ohio
Elbert C. Elson: Son, Age: 10, Birthdate: abt. 1870, Birthplace: Iowa
Madge E. Elson: Daughter, Age: 5, Birthdate: abt. 1875, Birthplace: Iowa
Mabel Elson: Daughter, Age: 1, Birthdate: abt. 1879, Birthplace: Iowa

1900 United States Federal Census, Huron, Beadle, S.D.
Martin Redmond: Head, Age: 33, Birthdate: Apr. 1866, Birthplace: New York
Madge E Redmond: Wife, Age: 26, Birthdate: Dec. 1873, Birthplace: Iowa
Mary Redmond: Daughter, Age: 5, Birthdate: Apr. 1895, birthplace: S.D.
Max E Redmond: Son, Age: 2, Birthdate: Jul 1897, Birthplace: S.D.
Mary E Elson: Mother-in-law, Age: 53, Birthdate: Mar. 1847, Birthplace: Ohio, Marital Status: Widowed

1910 United States Federal Census, Redfield, Ward 1, Spink, S.D.
Martin L Redmond: Head, Age: 43, Birthdate: abt. 1867, Birthplace: New York
Madge Redmond: Wife, Age: 35, Birthdate: abt. 1875, Birthplace: Iowa
Mary Redmond: Daughter, Age: 15, Birthdate: abt. 1895, Birthplace: S.D.
Max E Redmond: Son, Age: 12, Birthdate: abt. 1898, Birthplace: S.D.
Mary E Elson: Mother-in-law, Age: 64, Birthdate: abt. 1846, Birthplace: S.D.

Following Research by pomnik

1880 United States Federal Census, Shellsburg, Benton, Iowa
Jerry E. Elson: Head, Age: 34, Birthdate: abt. 1846, Birthplace: Ohio Findagrave 59864594
Mary E Elson: Wife, Age: 34, Birthdate: abt. 1846, Birthplace: Ohio
Elbert C. Elson: Son, Age: 10, Birthdate: abt. 1870, Birthplace: Iowa
Madge E. Elson: Daughter, Age: 5, Birthdate: abt. 1875, Birthplace: Iowa
Mabel Elson: Daughter, Age: 1, Birthdate: abt. 1879, Birthplace: Iowa

1900 United States Federal Census, Huron, Beadle, S.D.
Martin Redmond: Head, Age: 33, Birthdate: Apr. 1866, Birthplace: New York
Madge E Redmond: Wife, Age: 26, Birthdate: Dec. 1873, Birthplace: Iowa
Mary Redmond: Daughter, Age: 5, Birthdate: Apr. 1895, birthplace: S.D.
Max E Redmond: Son, Age: 2, Birthdate: Jul 1897, Birthplace: S.D.
Mary E Elson: Mother-in-law, Age: 53, Birthdate: Mar. 1847, Birthplace: Ohio, Marital Status: Widowed

1910 United States Federal Census, Redfield, Ward 1, Spink, S.D.
Martin L Redmond: Head, Age: 43, Birthdate: abt. 1867, Birthplace: New York
Madge Redmond: Wife, Age: 35, Birthdate: abt. 1875, Birthplace: Iowa
Mary Redmond: Daughter, Age: 15, Birthdate: abt. 1895, Birthplace: S.D.
Max E Redmond: Son, Age: 12, Birthdate: abt. 1898, Birthplace: S.D.
Mary E Elson: Mother-in-law, Age: 64, Birthdate: abt. 1846, Birthplace: S.D.