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John Jensen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Barnes-County, North Dakota
Our Model Tree links this John Jensen across the 1920, 1930 and 1940 US Censuses in Barnes-County, North Dakota (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 4-person household.
Age 45
b. ~1895
Male
Head
Born: North Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Barnes-County, North Dakota |
| Surname | Jensen |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Spring Creek |
| 1935 Residence (County) | Barnes |
| Additional Details | |
| Occupation | Operator |
| Industry | Barber Shop Beer-Parlor |
| Class of Worker | OA |
| Hours Worked | 80 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Operator |
| Township / Ward | Spring Creek |
| Est. Birth Year | ~1895 |
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 |
|---|---|---|---|---|
| Erma Jensen | Daughter | — | 17 | ~1923 |
| John Jensen | Head | — | 45 | ~1895 |
| Wallace Jensen | Son | — | 9 | ~1931 |
| Emma Jensen | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Barnes, North …
Head, age 25
Barnes, North Dakota · implied b. ~1895
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Jensen |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Barber |
| Industry | Own Shop |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | R |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Barnes, North …
Head, age 35
Barnes, North Dakota · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Age at First Marriage | 25 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Barber |
| Industry | Own shop |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12 |
| Veteran | Yes WW |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Barnes-County, North …
Head, age 45
Barnes-County, North Dakota · implied b. ~1895 — 4 household members
| Surname | Jensen |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Spring Creek |
| 1935 Residence (County) | Barnes |
| Occupation | Operator |
| Industry | Barber Shop Beer-Parlor |
| Class of Worker | OA |
| Hours Worked | 80 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 Jensen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Jensen
Head · 1940 · age 45 · b. ~1895 · North Dakota
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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 — Barnes-County, North Dakota
Open full size
1940 US Federal Census — Barnes-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02992-00544)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Olaf R. Mahlum | 45 | Head | Butcher | North Dakota |
| 2 | Ida Mahlum | 46 | Wife | — | North Dakota |
| 3 | Ardith A. Mahlum | 21 | Daughter | Clerk | North Dakota |
| 4 | Omer Mahlum | 19 | Son | Attendant | North Dakota |
| 5 | Phyllis V. Mahlum | 12 | Daughter | — | North Dakota |
| 6 | Yvonne Stella Mahlum | 7 | Daughter | — | North Dakota |
| 7 | Andrew A. Mahlum | 74 | Lodger | Attendant | Norway |
| 8 | Albert O. Norberg | 50 | Head | Operator | North Dakota |
| 9 | Clare Norberg | 41 | Wife | — | North Dakota |
| 10 | Algeo M. Norberg | 23 | Son | Farmer | North Dakota |
| 11 | Blanche V. Norberg | 21 | Daughter | Clerk | North Dakota |
| 12 | Doris J. Norberg | 17 | Daughter | — | North Dakota |
| 13 | John A. Jensen THIS PERSON | 45 | Head | Operator | North Dakota |
| 14 | Emma Jensen | 37 | Wife | — | North Dakota |
| 15 | Erma A. H. Jensen | 17 | Daughter | Housekeeper | North Dakota |
| 16 | Wallace A. Jensen | 9 | Son | — | North Dakota |
| 17 | Anton M. Nelson | 65 | Head | Shoe-Repair | Norway |
| 18 | Jacob S. Borgeson | 23 | Head | Graveling | North Dakota |
| 19 | Mildred M. Borgeson | 23 | Wife | — | South Dakota |
| 20 | Jacqueline M. Borgeson | 2 | Daughter | — | North Dakota |
| 21 | Melvin C. Peterson | 28 | Head | Buyer | North Dakota |
| 22 | Florence B. Peterson | 25 | Wife | — | North Dakota |
| 23 | Joyce D. Peterson | 5 | Daughter | — | North Dakota |
| 24 | Mylo F. Peterson | 3 | Son | — | North Dakota |
| 25 | Thorine A. Peterson | 1 | Daughter | — | North Dakota |
| 26 | Carl O. Kulsrud | 45 | Head | Graveling | North Dakota |
| 27 | Hilda E. Kulsrud | 30 | Wife | — | North Dakota |
| 28 | Clarice L. Kulsrud | 9 | Daughter | — | North Dakota |
| 29 | Dorothy V. Kulsrud | 8 | Daughter | — | North Dakota |
| 30 | Clayton M. Kulsrud | 6 | Son | — | North Dakota |
| 31 | Curtiss H. Kulsrud | 3 | Son | — | North Dakota |
| 32 | Delores A. Kulsrud | 1 | Daughter | — | North Dakota |
| 33 | Oscar E. Gunderson | 44 | Head | Postmaster | North Dakota |
| 34 | Mary C. Gunderson | 37 | Wife | — | North Dakota |
| 35 | Charles L. Claslin | 33 | Head | Graveling | North Dakota |
| 36 | Loraine M. Claslin | 27 | Wife | — | North Dakota |
| 37 | Charlotte L. Claslin | 9 | Daughter | — | North Dakota |
| 38 | Dale M. Claslin | 5 | Son | — | North Dakota |
| 39 | Henry J. Hanson | 30 | Head | Road Construction | Norway |
| 40 | Elnor B. Hanson | 26 | Wife | — | South Dakota |
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)