1850 U.S. Census:3105
Morrow County, Ohio (Chester Township)
Enumerated 14 August 1850
James Gerren •• 49, male, farmer, born in New Jersey
Rosannah Gerren •• 37, female, born in Ohio
Samuel •• 16, male, laborer
Mathias •• 14, male, attended school within the year
Louisa •• 11, female, attended school within the year
Jemima •• 8, female, attended school within the year
Elizabeth •• 4, female
James •• 1, male
Family enumerated immediately adjacent is John Smith household, a potential relative of Rosannah.

1868 Marriage Record:3112 Sturgis, St. Joseph County, Michigan; James M. Gerren and Lena Kiser; April 20, 1868; groom: age 22, born 1846 in Monroe Co., Ohio; bride: age 18, born 1850, born Portage County, Ohio.

1870 U.S. Census:3111
LaGrange County, Indiana (Clay Township)
Enumerated 2 September 1870
James A. Gearing (i.e. Gerron) •• 21, male, white, day laborer, born in Michigan, male citizen eligible to vote
Lena •• 20, female, white, wife, born in Ohio, father foreign born, mother foreign born, cannot read, cannot write
Harriet •• 1, female, white, born in Indiana

1880 U.S. Census:3110
Isabella County, Michigan (Vernon Township)
Enumerated 4 June 1880
James Gerron •• white male, age 30, married, farmer, born in Ohio, father born in Ohio, mother born in Ohio
Leina •• white female, age 30, wife, married, keeps house, born in Ohio, father born in Germany, mother born in Germany
Harriet •• white female, age 11, daughter, single, at school, attended school within the year, born in Indiana, father born in Ohio, mother born in Ohio
Albert •• white male, age 7, son, single, born in Indiana, father born in Ohio, mother born in Ohio
Rose E •• white female, age 5, daughter, born in Indiana, father born in Ohio, mother born in Ohio

1900 U.S. Census:3109
Isabella County, Michigan (Vernon Township)
Enumerated 28 & 29 June 1900
James Gerren •• head, white male, born January 1848, age 52, married 33 years, born in Ohio, father born in Pennsylvania, mother born in Pennsylvania, farmer, can read, write, and speak English, owned with mortgage, farm
Lena •• wife, white female, born January 1849, age 51, married 33 years, bore 10 children, 8 still living, born in Ohio, father born in Germany, mother born in Germany, cannot read or write, can speak English
Rosa •• daughter, white female, born August 1876, age 23, single, born in Indiana, father born in Ohio, mother born in Ohio, runs knitter machine, can read, write, and speak English
Dora •• daughter, white female, born November 1880, age 19, single, born in Michigan, father born in Ohio, mother born in Ohio, runs knitter machine, can read, write, and speak English
Florance •• daughter, white female, born June 1883, age 16, single, born in Michigan, father born in Ohio, mother born in Ohio, can read, write, and speak English
Floyd •• son, white male, born June 1883, age 16, single, born in Michigan, father born in Ohio, mother born in Ohio, farm laborer, can read, write, and speak English
James •• son, white male, born November 1885, age 14, single, born in Michigan, father born in Ohio, mother born in Ohio, farm laborer, can read, write, and speak English
John •• son, white male, born April 1888, age 12, single, born in Michigan, father born in Ohio, mother born in Ohio, taught at home, can read, write, and speak English

1905 Death Certificate:3101 Vernon Township, Isabella County, Michigan; James M. Gerren; date of death, 13 February 1905; white; male; date of birth, January 7, 1848; age at death, 57 years, 11 months, 24 days; married; married at age 20; number of children born, 11, 7 still living; birthplace, Ohio; name of father, James Gerren; birthplace of father, Pennsylvania; maiden name of mother, Rosanna Booher; birthplace of mother, Ohio; occupation, farmer; informant, Mrs. Gerren, Clare, Michigan; date of burial, February 18, 1906; place of burial, Cherry Grove, Clare, Michigan.