Following research by Pomnik

Iowa Select Marriages
Name: Frederic F.B. Coffin, Spouse: Susanna Barnes, Child: Emma M Coffin

1870 United States Federal Census, Westchester, Porter, Indiana
Fred F. Coffin, Age: 36, Birthdate: abt. 1834, Birthplace: North Carolina
Susan Coffin, Age: 35, Birthdate: abt. 1835, Birthplace: Ohio
Martha Coffin, Age: 11, Birthdate: abt. 1859, Birthplace: Minnesota
Jerome Coffin, Age: 9, Birthdate: abt. 1861, Birthplace: Minnesota
Nora Coffin, Age: 7, Birthdate: abt. 1863, Birthplace: Indiana
Edwin Coffin, Age: 4/12, Birthdate: abt. 1870, Birthplace: Indiana

1880 United States Federal Census, Westchester, Porter, Indiana
Frederic Coffin: Head, Age: 46, Birthdate: abt. 1834, Birthplace: North Carolina
Susanna Coffin: Wife, Age: 44, Birthdate: abt. 1836, Birthplace: Ohio
Martha E. Coffin: Daughter, Age: 21, Birthdate: abt. 1859, Birthplace: Minnesota
Jerome B Coffin: Son, Age: 20, Birthdate: abt. 1860, Birthplace: Minnesota
Nora B Coffin: Daughter, Age: 17, Birthdate: abt. 1863, Birthplace: Indiana
Arthur T Coffin: Son, Age: 9, Birthdate: abt. 1871, Birthplace: Indiana
Emma Coffin: Daughter, Age: 1, Birthdate: abt. 1879, Birthplace: Indiana

1895 South Dakota State Census, Pearl Creek, Beadle, S.D.
Fred F.B. Coffin, Age: 61
Susanna Coffin: Age: 60
Emma Coffin: Age: 16

1900 United States Federal Census, Huron, Beadle, S.D.
Fred F Coffin: Head, Age: 66, Birthdate: Oct. 1833, Birthplace: North Carolina, Marriage Yr.: 1876
Susanna B Coffin: Wife, Age: 66, Birthdate: Aug. 1834, Birthplace: Ohio
Emma M Coffin: Daughter, Age: 21, Birthdate: Oct. 1878
Nora B Gault: Daughter, Age: 37, Birthdate: Sep. 1862, Birthplace: S.D., Marital Status: Widowed
Abbie M Gault: Granddaughter, Age: 11, Birthdate: Apr. 1889, Birthplace: S.D.

1910 United States Federal Census, Tipton Ward 3, Cedar, Iowa
Otis E Wilson: Head, Age: 46, Birthdate: abt. 1864, Birthplace: Iowa
Martha E Wilson: Wife, Age: 50, Birthdate: abt. 1860, Birthplace: Minnesota
Fred B Wilson: Son, Age: 21, Birthdate: abt. 1889, Birthplace: S.D.
Ray Wilson, Son, Age: 16, Birthdate: abt. 1894, Birthplace: Iowa
Harold Wilson: Son, Age: 13, Birthdate: abt 1897, birthplace: Iowa
Fred B Coffin: Father-in-law, Age: 76, Birthdate: abt. 1834, Birthplace: North Carolina, Marital Status: Widowed

Following research by Pomnik

Iowa Select Marriages
Name: Frederic F.B. Coffin, Spouse: Susanna Barnes, Child: Emma M Coffin

1870 United States Federal Census, Westchester, Porter, Indiana
Fred F. Coffin, Age: 36, Birthdate: abt. 1834, Birthplace: North Carolina
Susan Coffin, Age: 35, Birthdate: abt. 1835, Birthplace: Ohio
Martha Coffin, Age: 11, Birthdate: abt. 1859, Birthplace: Minnesota
Jerome Coffin, Age: 9, Birthdate: abt. 1861, Birthplace: Minnesota
Nora Coffin, Age: 7, Birthdate: abt. 1863, Birthplace: Indiana
Edwin Coffin, Age: 4/12, Birthdate: abt. 1870, Birthplace: Indiana

1880 United States Federal Census, Westchester, Porter, Indiana
Frederic Coffin: Head, Age: 46, Birthdate: abt. 1834, Birthplace: North Carolina
Susanna Coffin: Wife, Age: 44, Birthdate: abt. 1836, Birthplace: Ohio
Martha E. Coffin: Daughter, Age: 21, Birthdate: abt. 1859, Birthplace: Minnesota
Jerome B Coffin: Son, Age: 20, Birthdate: abt. 1860, Birthplace: Minnesota
Nora B Coffin: Daughter, Age: 17, Birthdate: abt. 1863, Birthplace: Indiana
Arthur T Coffin: Son, Age: 9, Birthdate: abt. 1871, Birthplace: Indiana
Emma Coffin: Daughter, Age: 1, Birthdate: abt. 1879, Birthplace: Indiana

1895 South Dakota State Census, Pearl Creek, Beadle, S.D.
Fred F.B. Coffin, Age: 61
Susanna Coffin: Age: 60
Emma Coffin: Age: 16

1900 United States Federal Census, Huron, Beadle, S.D.
Fred F Coffin: Head, Age: 66, Birthdate: Oct. 1833, Birthplace: North Carolina, Marriage Yr.: 1876
Susanna B Coffin: Wife, Age: 66, Birthdate: Aug. 1834, Birthplace: Ohio
Emma M Coffin: Daughter, Age: 21, Birthdate: Oct. 1878
Nora B Gault: Daughter, Age: 37, Birthdate: Sep. 1862, Birthplace: S.D., Marital Status: Widowed
Abbie M Gault: Granddaughter, Age: 11, Birthdate: Apr. 1889, Birthplace: S.D.

1910 United States Federal Census, Tipton Ward 3, Cedar, Iowa
Otis E Wilson: Head, Age: 46, Birthdate: abt. 1864, Birthplace: Iowa
Martha E Wilson: Wife, Age: 50, Birthdate: abt. 1860, Birthplace: Minnesota
Fred B Wilson: Son, Age: 21, Birthdate: abt. 1889, Birthplace: S.D.
Ray Wilson, Son, Age: 16, Birthdate: abt. 1894, Birthplace: Iowa
Harold Wilson: Son, Age: 13, Birthdate: abt 1897, birthplace: Iowa
Fred B Coffin: Father-in-law, Age: 76, Birthdate: abt. 1834, Birthplace: North Carolina, Marital Status: Widowed