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- [S4]  1870 US Federal Census, (www.ancestry.com). 
 
  
- [S38]  1880 US Federal Census. 
 
  
- [S19]  1900 US Federal Census, (www.ancestry.com).
 
Name: Mary Waltz Home in 1900: Altoona Ward 5, Blair, Pennsylvania Age: 36 Estimated birth year: abt 1864 Birthplace: Pennsylvania Relationship to head-of-house: Wife Spouse's name: George Race: White 
 
  
- [S30]  1910 US Federal Census, (www.ancestry.com).
 
Name: Mary Waltz Age in 1910: 41 Estimated birth year: abt 1869 Birthplace: Pennsylvania Relation to Head of House: Wife Father's Birth Place: Germany Mother's Birth Place: Germany Spouse's name: George M Home in 1910: Altoona Ward 5, Blair, Pennsylvania Marital Status: Married Race: White Gender: Female 
  
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