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Bertha Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Swift-County, Minnesota
Our Model Tree links this Bertha Peterson across the 1910, 1920, 1930 and 1940 US Censuses in Swift-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1881), then head of a 3-person household.
Age 59
b. ~1881
Female
Spouse
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Swift-County, Minnesota |
| Surname | Peterson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Kandiyohi |
| 1935 Residence (County) | Kandiyohi |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | H |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Minnesota |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Hayes Township |
| Est. Birth Year | ~1881 |
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 |
|---|---|---|---|---|
| John Peterson | Head | — | 58 | ~1882 |
| Chester Peterson | Son | — | 19 | ~1921 |
| Bertha Peterson | Spouse | — | 59 | ~1881 |
Census Appearances
1910
Kandiyohi, Minnesota
Spouse, age 29
Kandiyohi, Minnesota · implied b. ~1881 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Sweden |
| Years Married | 1 |
| Children Born | 1 |
| Children Living | 1 |
| Year of Immigration | 1886 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Kandiyohi, Minnesota
Spouse, age 38
Kandiyohi, Minnesota · implied b. ~1882 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1907 |
| Birthplace (normalized) | sweden |
1930
Kandiyohi, Minnesota
Spouse, age 49
Kandiyohi, Minnesota · implied b. ~1881 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1881 |
| Age at First Marriage | 27 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Swift-County, Minnesota
Spouse, age 59
Swift-County, Minnesota · implied b. ~1881 — 3 household members
| Surname | Peterson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Kandiyohi |
| 1935 Residence (County) | Kandiyohi |
| Naturalization Status | Naturalized |
| Class of Worker | H |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Minnesota |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Peterson 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
Bertha Peterson
Spouse · 1940 · age 59 · b. ~1881 · 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 — Swift-County, Minnesota
Open full size
1940 US Federal Census — Swift-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01963-00266)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emma H. Johnson | 38 | Daughter | — | Minnesota |
| 2 | Melvin C. Swanson | 31 | Head | Farm Operator | Minnesota |
| 3 | Bernice M. Swanson | 28 | Wife | — | Minnesota |
| 4 | Marlys L. Swanson | 1 | Daughter | — | Minnesota |
| 5 | John H. Johnson | 55 | Head | Farm Operator | Minnesota |
| 6 | Alice Johnson | 45 | Wife | — | Minnesota |
| 7 | Eugene E. Johnson | 21 | Son | Farm Laborer | Minnesota |
| 8 | Gladys V. Johnson | 19 | Daughter | — | Minnesota |
| 9 | Elmer E. Ostby | 48 | Head | Farm Operator | Minnesota |
| 10 | Ruth Ostby | 43 | Wife | — | Minnesota |
| 11 | Arthur Sackstoff | 22 | Hired man | Farm Laborer | Minnesota |
| 12 | John O. Peterson | 58 | Head | Retired Farmer | Minnesota |
| 13 | Bertha Peterson THIS PERSON | 59 | Wife | — | Sweden |
| 14 | Chester C. Peterson | 19 | Son | — | Minnesota |
| 15 | Anton Bengtson | 61 | Head | Farm Operator | Minnesota |
| 16 | Selma Bengtson | 61 | Wife | — | Minnesota |
| 17 | Clarence Bengtson | 37 | Son | Farm Operator | Minnesota |
| 18 | Helmer J. Evenson | 40 | Head | Farm Operator | Minnesota |
| 19 | Lydia Evenson | 40 | Wife | — | Minnesota |
| 20 | Carroll U. Evenson | 18 | Son | Farm Laborer | Minnesota |
| 21 | Lorraine H. Evenson | 17 | Daughter | — | Minnesota |
| 22 | Myron J. Evenson | 15 | Son | Farm Laborer | Minnesota |
| 23 | Jane L. Evenson | 12 | Daughter | — | Minnesota |
| 24 | Harley J. Evenson | 10 | Son | — | Minnesota |
| 25 | Avil B. Evenson | 8 | Daughter | — | Minnesota |
| 26 | Ludeen O. Evenson | 5 | Son | — | Minnesota |
| 27 | Francine M. Evenson | 4 | Daughter | — | Minnesota |
| 28 | Maverne Evenson | 4 | Daughter | — | Minnesota |
| 29 | Charlene L. Evenson | 0 | Daughter | — | Minnesota |
| 30 | Oscar D. Anderson | 50 | Head | Farm Operator | Minnesota |
| 31 | Alfred C. Anderson | 44 | Brother | Farm Operator | Minnesota |
| 32 | Gunil Skarness | 78 | Head | — | Wisconsin |
| 33 | Janine Huse | 57 | Maid | Housekeeper | Minnesota |
| 34 | Oliver E. Skarness | 56 | Head | Farm Operator | Minnesota |
| 35 | Elizabeth Skarness | 55 | Wife | — | Minnesota |
| 36 | Evangeline Skarness | 23 | Daughter | — | Minnesota |
| 37 | Aran Finstad | 39 | Hired Man | Farm Laborer | Minnesota |
| 38 | Sam Bengtson | 74 | Head | Farm Operator | Sweden |
| 39 | Ede Bengtson | 64 | Wife | — | Minnesota |
| 40 | August Bengtson | 40 | Son | Farm Laborer | 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)