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John Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hubbard-County, Minnesota
Our Model Tree links this John Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Hubbard-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 4-person household.
Age 55
b. ~1885
Male
Head
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hubbard-County, Minnesota |
| Surname | Johnson |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Straight River Township |
| 1935 Residence (County) | Hubbard |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 452 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Occupation | Farmer |
| Township / Ward | Straight River Township |
| Est. Birth Year | ~1885 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Johnson | Head | — | 55 | ~1885 |
| Robert Johnson | Son | — | 18 | ~1922 |
| Roger Johnson | Son | — | 16 | ~1924 |
| Mary Johnson | Spouse | — | 50 | ~1890 |
Census Appearances
1910
Hubbard, Minnesota
Head, age 25
Hubbard, Minnesota · implied b. ~1885
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Johnson |
| Given Name | John B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Norway |
| Year of Immigration | 1902 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1920
Hubbard, Minnesota
Head, age 35
Hubbard, Minnesota · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | John B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1902 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | oa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Norway |
| Year of Naturalization | 1912 |
| Birthplace (normalized) | norway |
1930
Hubbard, Minnesota
Head, age 45
Hubbard, Minnesota · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 25 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Dairy farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | O |
| Home Value / Rent | 25 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Hubbard-County, Minnesota
Head, age 55
Hubbard-County, Minnesota · implied b. ~1885 — 4 household members
| Surname | Johnson |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Straight River Township |
| 1935 Residence (County) | Hubbard |
| Naturalization Status | Naturalized |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 452 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Johnson
Head · 1940 · age 55 · b. ~1885 · Minnesota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hubbard-County, Minnesota
Open full size
1940 US Federal Census — Hubbard-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01927-00788)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lila Larsen | 20 | daughter | — | Nebraska |
| 2 | Mildred Larsen | 19 | daughter | — | Nebraska |
| 3 | Laura Larsen | 17 | daughter | — | Nebraska |
| 4 | Ben Jr. Larsen | 16 | son | — | Nebraska |
| 5 | Mollie Larsen | 14 | daughter | — | Nebraska |
| 6 | Leonard Larsen | 12 | son | — | Nebraska |
| 7 | Lola Larsen | 10 | daughter | — | Nebraska |
| 8 | Nancy Larsen | 9 | daughter | — | Nebraska |
| 9 | Patsy Larsen | 8 | daughter | — | Nebraska |
| 10 | Glen Larsen | 3 | son | — | Minnesota |
| 11 | Thalia Larsen | 1 | daughter | — | Minnesota |
| 12 | John B. Johnson THIS PERSON | 55 | Head | Farmer | Norway |
| 13 | Mary E. Johnson | 50 | Wife | — | Iowa |
| 14 | Robert Johnson | 18 | son | — | Minnesota |
| 15 | Roger Johnson | 16 | son | — | Minnesota |
| 16 | Ed Roht | 26 | Head | Laborer | Minnesota |
| 17 | Verna Roht | 24 | wife | — | North Dakota |
| 18 | Gene Roht | 4 | son | — | Minnesota |
| 19 | Dale Roht | 3 | son | — | Minnesota |
| 20 | Lester Roht | 2 | son | — | Minnesota |
| 21 | Lois Roht | 1 | daughter | — | Minnesota |
| 22 | Neil Roht | 0 | son | — | Minnesota |
| 23 | Henry Day | 57 | Head | Farmer | Iowa |
| 24 | Clara Day | 55 | wife | — | South Dakota |
| 25 | Ronald Day | 23 | son | Farmer | North Dakota |
| 26 | Leslie Day | 20 | son | Farmer | North Dakota |
| 27 | Melvin Day | 11 | nephew | — | North Dakota |
| 28 | Jacob Makela | 58 | Head | Farmer | Finland |
| 29 | Aida Makela | 50 | wife | — | Finland |
| 30 | Robert Makela | 25 | son | Farmer | Minnesota |
| 31 | John Janecek | 64 | Head | Farmer | Austria |
| 32 | Earl Roy | 37 | Head | Dumpsman | Indiana |
| 33 | Clara Roy | 36 | wife | — | North Dakota |
| 34 | Ralph Roy | 8 | son | — | North Dakota |
| 35 | John Roy | 5 | son | — | Minnesota |
| 36 | Robert Roy | 3 | son | — | Minnesota |
| 37 | Arlene Roy | 0 | daughter | — | Minnesota |
| 38 | Pauline Schaefer | 60 | Head | Farmer | Iowa |
| 39 | Lillian Schaefer | 56 | wife | — | Illinois |
| 40 | James Schaefer | 14 | son | — | Minnesota |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)