BJ
Bertha Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Vernon-County, Wisconsin
Our Model Tree links this Bertha Johnson across the 1920, 1930 and 1940 US Censuses in Vernon-County, Wisconsin (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 3-person household.
Age 53
b. ~1887
Female
Spouse
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Vernon-County, Wisconsin |
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Jefferson Township |
| 1935 Residence (County) | Vernon |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Township / Ward | Jefferson Township |
| Est. Birth Year | ~1887 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Carmen Johnson | Daughter | — | 24 | ~1916 |
| Sylvester Johnson | Head | — | 55 | ~1885 |
| Bertha Johnson | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Vernon, Wisconsin
Spouse, age 32
Vernon, Wisconsin · implied b. ~1888 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Norway |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
Vernon, Wisconsin
Other, age 43
Vernon, Wisconsin · implied b. ~1887 — 3 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 | 43 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 27 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Veteran | No |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Vernon-County, Wisconsin
Spouse, age 53
Vernon-County, Wisconsin · implied b. ~1887 — 3 household members
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Jefferson Township |
| 1935 Residence (County) | Vernon |
| 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 53 · b. ~1887 · Wisconsin
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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 — Vernon-County, Wisconsin
Open full size
1940 US Federal Census — Vernon-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04530-00377)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marlin Peterson | 4 | Son | — | Wisconsin |
| 42 | Janice Peterson | 1 | Daughter | — | Wisconsin |
| 43 | Jerry G. Mills | 28 | Head | Farmer | Wisconsin |
| 44 | Hazel Mills | 25 | Wife | — | Wisconsin |
| 45 | Dawn Mills | 3 | Daughter | — | Wisconsin |
| 46 | Harold Gorder | 25 | Hired hand | Farm Laborer | Wisconsin |
| 47 | William D. Mills | 57 | Head | Farmer | Irish Free State |
| 48 | Roger Oleson | 25 | Hired hand | Farm Laborer | Wisconsin |
| 49 | Evelyn Oleson | 24 | Hired's wife | — | Wisconsin |
| 50 | Maynard Oleson | 1 | Son | — | Wisconsin |
| 51 | Otto S. Peterson | 63 | Head | Farm Operator | Norway |
| 52 | Hanna Peterson | 61 | Wife | — | Norway |
| 53 | William Peterson | 31 | Son | Farm Laborer | Wisconsin |
| 54 | Carolyn Peterson | 21 | Daughter | — | Wisconsin |
| 55 | David Peterson | 3 | Son | — | Wisconsin |
| 56 | Sylvester S. Johnson | 55 | Head | Farm Operator | Wisconsin |
| 57 | Bertha Johnson THIS PERSON | 53 | Wife | — | Norway |
| 58 | Carmen Johnson | 24 | Daughter | Teacher | Wisconsin |
| 59 | Borge Selin | 29 | Head | Farm Operator | Wisconsin |
| 60 | Ruth Selin | 30 | Wife | — | Wisconsin |
| 61 | Harley Brothen | 18 | Brother-in-law | Farm Laborer | Wisconsin |
| 62 | William B. Amann | 35 | Head | Farm Operator | Wisconsin |
| 63 | Leona Amann | 35 | Wife | — | Wisconsin |
| 64 | Phyllis Amann | 2 | Daughter | — | Wisconsin |
| 65 | Jerry Neumann | 11 | Nephew | — | Wisconsin |
| 66 | George S. Mills | 69 | Head | Farm Operator | Ohio |
| 67 | Ruby Mills | 46 | Wife | — | Wisconsin |
| 68 | Earl Mills | 22 | Son | Farm Laborer | Wisconsin |
| 69 | Bernice Mills | 20 | Daughter | — | Wisconsin |
| 70 | Elden Mills | 17 | Son | Farm Laborer | Wisconsin |
| 71 | Albin S. Peterson | 43 | Head | Farm Operator | Wisconsin |
| 72 | Sophie Peterson | 33 | Wife | — | Wisconsin |
| 73 | Albin Jr. Peterson | 10 | Son | Farm Operator | Wisconsin |
| 74 | Oscar O. Christianson | 46 | Head | Farm Operator | Wisconsin |
| 75 | Mattie Christianson | 44 | Wife | — | Wisconsin |
| 76 | Delores Christianson | 21 | Daughter | — | Wisconsin |
| 77 | Donna Christianson | 11 | Daughter | — | Wisconsin |
| 78 | Myrtle Heron | 33 | Sister-in-law | — | Wisconsin |
| 79 | Silmer Jorgerson | 23 | Hired hand | Farm Laborer | Wisconsin |
| 80 | Palmer Peterson | 54 | Head | Farm Operator | Wisconsin |
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)