BJ
Bertha Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mclean-County, North Dakota
Our Model Tree links this Bertha Johnson across the 1920, 1930 and 1940 US Censuses in Mclean-County, North Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 4-person household.
Age 57
b. ~1883
Female
Spouse
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mclean-County, North Dakota |
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Washburn City |
| 1935 Residence (County) | McLean |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Washburn City |
| Est. Birth Year | ~1883 |
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 Bertha | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Johnson | Daughter | — | 21 | ~1919 |
| Bernt Johnson | Head | — | 79 | ~1861 |
| Ida Stave | Other | — | 30 | ~1910 |
| Bertha Johnson | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Mclean, North …
Spouse, age 36
Mclean, North Dakota · implied b. ~1884 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Mclean, North …
Other, age 47
Mclean, North Dakota · implied b. ~1883 — 5 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 | 47 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 23 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Mclean-County, North …
Spouse, age 57
Mclean-County, North Dakota · implied b. ~1883 — 4 household members
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Washburn City |
| 1935 Residence (County) | McLean |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 57 · b. ~1883 · 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 — Mclean-County, North Dakota
Open full size
1940 US Federal Census — Mclean-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03006-00721)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carrie O. Berg | 25 | Lodger | High School Teacher | South Dakota |
| 2 | William Gogstetter | 61 | Head | Secretary Treasurer | Minnesota |
| 3 | Eva Gogstetter | 61 | Wife | — | Minnesota |
| 4 | Neil Gogstetter | 31 | Son | — | North Dakota |
| 5 | Frieda Gogstetter | 25 | Daughter-in-law | — | South Dakota |
| 6 | Joann Grace Gogstetter | 1 | Granddaughter | — | North Dakota |
| 7 | Harry A. Gogstetter | 20 | Son | — | North Dakota |
| 8 | Albert Willis | 44 | Head | City Marshal | Minnesota |
| 9 | Garda Willis | 39 | Wife | — | Norway |
| 10 | Carl Willis | 18 | Son | — | North Dakota |
| 11 | Gerald Willis | 16 | Son | — | North Dakota |
| 12 | Mildred Willis | 12 | Daughter | — | North Dakota |
| 13 | Jake Schacher | 34 | Head | Section Hand | Russia |
| 14 | Alvina Schacher | 30 | Wife | — | North Dakota |
| 15 | Violet Schacher | 9 | Daughter | — | North Dakota |
| 16 | Ella Jean Schacher | 7 | Daughter | — | North Dakota |
| 17 | Anna Mary Schacher | 4 | Daughter | — | North Dakota |
| 18 | Mara Dean Schacher | 1 | Daughter | — | North Dakota |
| 19 | Bernt Johnson | 79 | Head | — | Norway |
| 20 | Bertha Johnson THIS PERSON | 57 | Wife | — | Wisconsin |
| 21 | Gertrude A. Johnson | 21 | Daughter | — | North Dakota |
| 22 | Ida Stave | 30 | Lodger | Office Interviewer | North Dakota |
| 23 | Walter Lutz | 33 | Head | Carpenter | Wisconsin |
| 24 | Ruth Lutz | 27 | Wife | — | North Dakota |
| 25 | Walda Joy Lutz | 2 | Daughter | — | Minnesota |
| 26 | Amanda Peterson | 74 | Grandmother | — | Sweden |
| 27 | John Koth | 60 | Head | — | South Dakota |
| 28 | Delores Koth | 42 | Wife | — | Minnesota |
| 29 | Robert John Koth | 5 | Son | — | North Dakota |
| 30 | Marie Drummond | 37 | Sister-in-law | Clerical | Minnesota |
| 31 | Axel Nelson | 80 | Head | — | Sweden |
| 32 | May Nelson | 42 | Daughter | — | North Dakota |
| 33 | Sadie Bibelheimer | 58 | Head | — | South Dakota |
| 34 | Dorothy Millett | 15 | Niece | — | Nebraska |
| 35 | Mathilda Uetzler | 39 | Lodger | Saleswoman | North Dakota |
| 36 | Clara Schempp | 37 | Lodger | Stenographer | South Dakota |
| 37 | Egan Ekstrom | 54 | Head | Salesman | Sweden |
| 38 | Anna Ekstrom | 48 | Wife | — | Iowa |
| 39 | Virginia Ekstrom | 21 | Daughter | — | North Dakota |
| 40 | Robert Ekstrom | 5 | Son | — | North 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)