| Notes  | 
- CENSUS: 1900:
 
Name: Jacob Heft Home in 1900: Killingworth, Middlesex, Connecticut Age: 42 Estimated birth year: abt 1858 Birthplace: Germany Race: White Relationship to head-of-house: Head Immigration year: 1880 
 
CENSUS: 1910: 
Name:	Jacob Heft 
Age in 1910:	52 
Estimated birth year:	abt 1858 
Home in 1910:	Killingworth, Middlesex, Connecticut 
 
CENSUS: 1920: 
Name: Jacob Heft Age: 62 years Estimated birth year: abt 1858 Birthplace: Germany Race: White Home in 1920: Chester, Middlesex, Connecticut Home owned: Own Sex: Male Marital status: Married Relation to Head of House: Head Year of immigration: 1880 Able to read: Yes Able to Write: Yes Mother's Birth Place: Germany Father's Birth Place: Germany Image: 576 
 
CENSUS: 1930: 
Name: Jacob Heft Age: 72 Estimated birth year: abt 1858 Birthplace: Germany Relation to head-of-house: Head Race: White Home in 1930: Chester, Middlesex, Connecticut 
 
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