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- [S19]  1900 US Federal Census, (www.ancestry.com).
 
Name: Harrold Slayer[Harrold Slayers] Home in 1900: Rochester Ward 19, Monroe, New York Age: 2 Birth Date: Dec 1897 Birthplace: New York Race: White Ethnicity: American Gender: Male Relationship to head-of-house: Son Father's Name: George Father's Birthplace: New York Mother's Name: Margarett Mother's Birthplace: New York Marital Status: Single Residence : Rochester City, Monroe, New York 
 
  
- [S30]  1910 US Federal Census, (www.ancestry.com). 
 
  
- [S24]  1920 US Federal Census, (www.ancestry.com).
 
Name: Harold Schleyer Home in 1920: Rochester Ward 12, Monroe, New York Age: 24 years Estimated Birth Year: abt 1896 Birthplace: New York Relation to Head of House: Head Spouse's Name: Elizabeth Father's Birth Place: New York Mother's Birth Place: New York Marital Status: Married Race: White Sex: Male Home owned: Rent Able to read: Yes Able to Write: Yes Image: 358 
 
  
- [S25]  1930 US Federal Census, (www.ancestry.com).
 
Name: Harold Schleyer Home in 1930: Rochester, Monroe, New York Age: 33 Estimated Birth Year: abt 1897 Birthplace: New York Relation to Head of House: Head Spouse's Name: Elizabeth Race: White 
 
  
- [S891]  World War I Draft Registration Cards, 1917 - 1918, (www.ancestry.com).
 
Name: Harold Schleyer City: Rochester County: Monroe State: New York Birthplace: New York;United States of America Birth Date: 20 Dec 1896 Roll: 1818804 DraftBoard: 3 
 
  
- [S888]  Social Security Death Index 1935 - Current, (www.ancestry.com).
 
Name: Harold Schleyer SSN: 068-20-0562 Last Residence: 14621 Rochester, Monroe, New York, United States of America Born: 20 Dec 1897 Died: Jan 1976 State (Year) SSN issued: New York (Before 1951 ) 
 
  
- [S169]  Rochester, Monroe County, New York Historic Marriage Record Research Site.
 
Year of Marriage 1918 Last Name SCHLEYER First Name HAROLD Middle Initial G Spouse's Last Name RYAN Spouse's First Name ELIZABETH Spouse's Middle Initial A Volume 7 License # 27202 
  
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