It should be noted that the year of death shown on the marker is obviously incorrect.

Minnesota, Territorial and State Census, 1849-1905

Name: John Ahlborn
Census Date: 1 May 1875
County: Douglas
Locality: Holmes City
Birth Location: Sweden
Gender: Male
Estimated Birth Year: abt 1838
Race: White
Father's Birth Location: Sweden
Roll: MNSC_5

1880 United States Federal Census

Name: John Ahlborn
Age: 42
Birth Year: abt 1838
Birthplace: Sweden
Home in 1880: Nora, Pope, Minnesota
Race: White
Gender: Male
Relation to Head of House: Self (Head)
Marital Status: Married
Spouse's Name: Brita Ahlborn
Father's Birthplace: Sweden
Mother's Birthplace: Sweden
Neighbors: View others on page
Occupation: Farmer
Cannot read/write:
Blind:
Deaf and dumb:
Otherwise disabled:
Idiotic or insane: View image
Household Members: Name Age
John Ahlborn 42
Brita Ahlborn 47
Petter Ahlborn 19
Anna Ahlborn 12
John Ahlborn 9
Ingri Ahlborn 7
Peter Walin 30

Minnesota, Territorial and State Census, 1849-1905

Name: John J Ahlborn
Census Date: 1 May 1885
County: Pope
Locality: Nora
Birth Location: Sweden
Gender: Male
Estimated Birth Year: abt 1837
Race: White
Roll: MNSC_37

1900 United States Federal Census

Name: John J Ahlbony
[John J Ahlborn]
Age: 62
Birth Date: Oct 1837
Birthplace: Sweden
Home in 1900: Lien, Roberts, South Dakota
[Roberts]
Race: White
Gender: Male
Immigration Year: 1874
[1879]
Relation to Head of House: Father-in-law
Marital Status: Married
Father's Birthplace: Sweden
Mother's Birthplace: Sweden
Occupation: View on Image
Household Members: Name Age
Ole P Hohn 28
Ida Hohn 26
John J Ahlbony 62

South Dakota, State Census, 1905

Name: John J Halb*
Age: 67
Estimated Birth Year: 1838
Gender: Male
Race: W
Birthplace: Sweden
Marital Status: Married
Residence: South Dakota, United States
Years in State: 11
Estimated Arrival Year in State: 1894
Years in United States: 31
Estimated Arrival Year in the United States: 1874
Father's Birthplace: Sweden
Mother's Birthplace: Sweden
Film Number: 2139869
Digital Folder Number: 4245061
Image Number: 2501
Card Number: 184

1910 United States Federal Census

Name: John Ahlborn
[John Ahlbum]
Age in 1910: 72
Birth Year: 1838
Birthplace: Sweden
Home in 1910: Lein, Roberts, South Dakota
Race: White
Gender: Male
Immigration Year: 1874
Relation to Head of House: Head
[Self (Head)]
Marital Status: Married
Spouse's Name: Brita Ahlborn
Father's Birthplace: Sweden
Mother's Birthplace: Sweden
Neighbors: View others on page
Household Members: Name Age
John Ahlborn 72
Brita Ahlborn 73
Irde Ahlborn 36
Jonas Ahlborn 9
Jose Ahlborn 4

1920 United States Federal Census

Name: John Ahlburn
[John J Ahlborn]
[John Ahlbum]
Age: 82
Birth Year: abt 1838
Birthplace: Sweden
Home in 1920: Lien, Roberts, South Dakota Race: White
Gender: Male
Immigration Year: 1874
Relation to Head of House: Head
Marital Status: Widowed
[Widow]
Father's Birthplace: Sweden
Mother's Birthplace: Sweden
Home Owned: Own
Able to read: Yes
Able to Write: Yes
Neighbors: View others on page
Household Members: Name Age
John Ahlburn 82
Ida Ahlburn 46
Jonas L Holm 19
Josephine Swanson 14
Peter Swanson 57

South Dakota Death Index, 1905-1955

Name: John J Aldbom
Certificate Number: 74060
Death Day: 1
Death Month: Mar
Death Year: 1921
County: Roberts
Page Number: 9