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Louis Borman appears in the 1870 United States Federal Census for Township 6 South, Range 6 West, in Randolph County, Illinois. He was born in Illinois, as were his siblings. His parents were born in Hanover, Germany. His father is a farmer. All of the neighboring heads of households listed on this census sheet were born in Hanover. Here is a listing of the members of the 1870 Henry Borman household;

Henry Borman, 41
Mena Borman, 30
Mary Borman, 7
Louis Borman, 5
Henry Borman, 1
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In the 1880 United States Federal Census, Louis Borman is living in Bremen Precinct in Randolph County, Illinois. He and his siblings were born in Illinois. His mother is a widow, born in Hanover, Germany. Louis and brother Henry are farm laborers. Here are the members of the 1880 household;

Mena Borman, 40
Mary Borman, 17
Louis Borman, 15
Henry Borman, 12
Sigmond Borman, 9
Caroline Borman, 7
Lizzie Borman, 4
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Lewis H. Bormann married Alice I. Bigham on December 3, 1890, in Perry County, Illinois.

Source; Illinois, U.S., Marriage Index, 1860-1920
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Louis Boermann is listed in the 1900 United States Federal Census for Southwestern Precinct in Perry County, Illinois. He was born in Illinois in March 1865. He has been married to Alice for nine years, and she has had six children, five of whom are living. Louis is a farmer. Minnie Bowerman, 56, [possibly his mother?] is a widowed neighboring farmer. Minnie was born in Germany in August 1843. Here are the members of the 1900 Louis Bormann household;

Louis Boermann, 35
Alice J. Boermann, 31
Minnie J. Boermann, 8
William H. Boermann, 6
Myrtle M. Boermann, 5
Elmer Z. Boermann, 4
Mernva Boermann, 4 months
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