BP
Bertha Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Webster-County, Iowa
Our Model Tree links this Bertha Peterson across the 1920, 1930 and 1940 US Censuses in Webster-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 10-person household.
Age 53
b. ~1887
Female
Head
Born: Sweden
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Webster-County, Iowa |
| Surname | Peterson |
| Given Name | Bertha J. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Ft. Dodge |
| 1935 Residence (County) | Webster |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Maid |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 520 |
| Highest Grade | H 8 |
| 1935 Residence | Same House |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Maid |
| Township / Ward | Ft Dodge |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Alfred Anderson | Other | — | 51 | ~1889 |
| Bertha Peterson | Head | — | 53 | ~1887 |
| Margaret Peterson | Daughter | — | 19 | ~1921 |
| Toebbetebbe Tabor | Other | — | 79 | ~1861 |
| John Phipps | Other | — | 37 | ~1903 |
| Evelyn Courtney | Daughter | — | 25 | ~1915 |
| Clifford Pride | Other | — | 65 | ~1875 |
| Loretta Peterson | Daughter | — | 17 | ~1923 |
| Arthur Soutysonty | Other | — | 41 | ~1899 |
| Archibald Peterson | Son | — | 22 | ~1918 |
Census Appearances
1920
Humboldt, Iowa
Spouse, age 32
Humboldt, Iowa · implied b. ~1888 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1911 |
| 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 |
| Birthplace (normalized) | sweden |
1930
Humboldt, Iowa
Head, age 43
Humboldt, Iowa · implied b. ~1887 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Bertha B. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1908 |
| Age at First Marriage | 23 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Radio Set | R |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Webster-County, Iowa
Head, age 53
Webster-County, Iowa · implied b. ~1887 — 10 household members
| Surname | Peterson |
| Given Name | Bertha J. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Ft. Dodge |
| 1935 Residence (County) | Webster |
| Naturalization Status | Naturalized |
| Occupation | Maid |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 520 |
| Highest Grade | H 8 |
| 1935 Residence | Same House |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Bertha Peterson
Head · 1940 · age 53 · b. ~1887 · Iowa
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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 — Webster-County, Iowa
Open full size
1940 US Federal Census — Webster-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01212-01005)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | K. O. Harriett | 44 | Wife | — | Iowa |
| 2 | Norman J. Harriett | 18 | Son | New Worker | Iowa |
| 3 | Leland V. Harriett | 14 | Son | — | Iowa |
| 4 | Donald M. Harriett | 10 | Son | — | Iowa |
| 5 | Bertha J. Peterson THIS PERSON | 53 | Head | Maid | Sweden |
| 6 | Archibald W. Peterson | 22 | Son | — | Iowa |
| 7 | Margaret M. Peterson | 19 | Daughter | — | Iowa |
| 8 | Loretta L. Peterson | 17 | Daughter | — | Iowa |
| 9 | Evelyn J. Courtney | 25 | Daughter | — | So Dakota |
| 10 | Toebbe|Tebbe Tabor | 79 | Lodger | Maid | Iowa |
| 11 | Clifford Pride | 65 | Lodger | — | Iowa |
| 12 | Arthur Souty|Sonty | 41 | Lodger | Piston Fitter | Iowa |
| 13 | Alfred Anderson | 51 | Lodger | — | Iowa |
| 14 | John Phipps | 37 | Lodger | Taxi Driver | Iowa |
| 15 | Edmund C. Wyatt | 68 | Head | Painter | Iowa |
| 16 | Minnie Wyatt | 61 | Wife | — | Illinois |
| 17 | — | None | — | — | — |
| 18 | — | None | — | — | — |
| 19 | — | None | — | — | — |
| 20 | — | None | — | — | — |
| 21 | Eugene E. Ellinger | 38 | Head | Utility Man | Iowa |
| 22 | Anne E. Ellinger | 29 | Wife | — | Hungary |
| 23 | Ronald D. Ellinger | 6 | Son | — | Iowa |
| 24 | Lois A. Ellinger | 4 | Daughter | — | Iowa |
| 25 | Edgar J. Ellinger | 40 | Brother | Utility Man | Iowa |
| 26 | Bertha M. Goodspeed | 60 | Head | Hotel Maid | Iowa |
| 27 | Eugene M. Goodspeed | 16 | Grandson | — | Iowa |
| 28 | Fred Crawford | 56 | Head | Molder | No Dakota |
| 29 | Winnie B. Crawford | 58 | Wife | — | Ill |
| 30 | William A. Rouse | 58 | Head | — | Iowa |
| 31 | Hilda T. Rouse | 47 | Wife | — | Iowa |
| 32 | Omer J. Peterson | 26 | Step-son | Pharmacist | Iowa |
| 33 | Harold W. Isaacson | 38 | Head | Truck Driver | Iowa |
| 34 | Clara Isaacson | 29 | Wife | — | Iowa |
| 35 | Vivian J. Mcdermott | 38 | Head | Hotel Porter | Iowa |
| 36 | Damon J. Mcdermott | 17 | Son | — | Iowa |
| 37 | Donald E. Mcdermott | 11 | Son | — | Iowa |
| 38 | Hattie Tilton | 62 | Head | — | Illinois |
| 39 | Merle H. Toque | 36 | Son | Molder | Iowa |
| 40 | Donald J. Toque | 31 | Son | — | Iowa |
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)