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- [S38]  1880 US Federal Census.
 
Name: John Wegmann Home in 1880: Kings (Brooklyn), New York City-Greater, New York Age: 4 Estimated Birth Year: abt 1876 Birthplace: New York Relation to Head of Household: Son Father's Name: John Father's birthplace: Ger Mother's Name: Elizabeth Mother's birthplace: Ger Neighbors: Marital Status: Single Race: White Gender: Male 
 
  
- [S19]  1900 US Federal Census, (www.ancestry.com).
 
Name: John W Wegmann[John W Wigmann] Home in 1900: Brooklyn Ward 16, Kings, New York Age: 24 Birth Date: Jul 1875 Birthplace: Blank[New York] Race: White Ethnicity: American Relationship to head-of-house: Patient Father's Birthplace: Germany Mother's Birthplace: Germany Marriage Year: 1898 Marital Status: Married Years Married: 2 Residence : New York City, Kings, New York 
 
  
- [S30]  1910 US Federal Census, (www.ancestry.com). 
 
  
- [S24]  1920 US Federal Census, (www.ancestry.com).
 
Name: John W Wegmann Home in 1920: Brooklyn Assembly District 4, Kings, New York Age: 44 years Estimated Birth Year: abt 1876 Birthplace: Ireland Relation to Head of House: Head Spouse's Name: Catherine Father's Birth Place: Germany Mother's Birth Place: New Jersey Marital Status: Married Race: White Sex: Male Home owned: Rent Year of Immigration: Un Able to read: Yes Able to Write: Yes Image: 415 
 
  
- [S25]  1930 US Federal Census, (www.ancestry.com). 
 
  
- [S891]  World War I Draft Registration Cards, 1917 - 1918, (www.ancestry.com).
 
Name: John W Wegmann City: Brooklyn County: Kings State: New York Birth Date: 12 Jul 1875 Race: White Roll: 1754221 DraftBoard: 26 
  
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