BJ
Bertha Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Griggs-County, North Dakota
Our Model Tree links this Bertha Johnson across the 1920, 1930 and 1940 US Censuses in Griggs-County, North Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 7-person household.
Age 42
b. ~1898
Female
Spouse
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Griggs-County, North Dakota |
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Bartley |
| 1935 Residence (County) | Griggs |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Township / Ward | Bartley |
| Est. Birth Year | ~1898 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Galoor Johnson | Head | — | 44 | ~1896 |
| Anna Seljord | Other | — | 55 | ~1885 |
| Donald Johnson | Son | — | 9 | ~1931 |
| Norman Johnson | Son | — | 14 | ~1926 |
| Ivan Johnson | Son | — | 1 | ~1939 |
| Kenneth Johnson | Son | — | 19 | ~1921 |
| Bertha Johnson | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Griggs, North …
Spouse, age 22
Griggs, North Dakota · implied b. ~1898 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1914 |
| Naturalization Status | Alien |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
Griggs, North …
Other, age 32
Griggs, North Dakota · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | First papers filed |
| Year of Immigration | 1914 |
| Age at First Marriage | 21 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Griggs-County, North …
Spouse, age 42
Griggs-County, North Dakota · implied b. ~1898 — 7 household members
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Bartley |
| 1935 Residence (County) | Griggs |
| Naturalization Status | Naturalized |
| Highest Grade | No 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 Bertha Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Bertha Johnson
Spouse · 1940 · age 42 · b. ~1898 · 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 — Griggs-County, North Dakota
Open full size
1940 US Federal Census — Griggs-County, North Dakota
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-03003-00348)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Arthur E. Palm | 46 | Head | Farmer | North Dakota |
| 42 | Clara Palm | 45 | Wife | — | Minnesota |
| 43 | Elsie Palm | 16 | Daughter | — | North Dakota |
| 44 | Maurice Soma | 27 | Head | Farmer | North Dakota |
| 45 | Neva Soma | 22 | Wife | — | North Dakota |
| 46 | Letha Bickel | 18 | Lodger | — | North Dakota |
| 47 | Francis Bickel | 0 | Lodger's son | — | Indiana |
| 48 | James M. Enness | 52 | Head | Farmer | Iowa |
| 49 | Grace Enness | 52 | Wife | — | Iowa |
| 50 | Kenneth Enness | 20 | Son | — | North Dakota |
| 51 | Galoor Johnson | 44 | Head | Farmer | Norway |
| 52 | Bertha Johnson THIS PERSON | 42 | Wife | — | Norway |
| 53 | Kenneth Johnson | 19 | Son | — | North Dakota |
| 54 | Norman Johnson | 14 | Son | — | North Dakota |
| 55 | Donald Johnson | 9 | Son | — | North Dakota |
| 56 | Ivan Johnson | 1 | Son | — | North Dakota |
| 57 | Anna Seljord | 55 | Visitor | — | Norway |
| 58 | Chas. W. Michaelson | 48 | Head | Farmer | North Dakota |
| 59 | Ester Michaelson | 42 | Wife | — | North Dakota |
| 60 | Conrad Michaelson | 16 | Son | — | North Dakota |
| 61 | John Michaelson | 14 | Son | — | North Dakota |
| 62 | Dennis Michaelson | 7 | Son | — | North Dakota |
| 63 | Chas. A. Petersen | 69 | Head | Farmer | Germany |
| 64 | Betty Petersen | 63 | Wife | — | Sweden |
| 65 | Carl Petersen | 25 | Son | — | North Dakota |
| 66 | Lorraine Petersen | 22 | Son's Wife | — | North Dakota |
| 67 | Carl Jr. Petersen | 0 | Grandson | — | North Dakota |
| 68 | Erik Reyndahl | 81 | Head | Farmer | Wisconsin |
| 69 | Mady Reyndahl | 75 | Wife | — | Norway |
| 70 | Henry J. Aarn | 55 | Head | Farmer | Wisconsin |
| 71 | Mary Aarn | 51 | Wife | — | Minnesota |
| 72 | Henry Robert Aarn | 55 | Wife's Brother | — | North Dakota |
| 73 | Reimer Jensen | 48 | Head | Farmer | Denmark |
| 74 | Anna Jensen | 48 | Wife | — | Denmark |
| 75 | Alice Jensen | 11 | Daughter | — | North Dakota |
| 76 | Wm. Morgard | 60 | Lodger | — | Scotland |
| 77 | Herman Brickman | 49 | Hired hand | Laborer | Chicago |
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)