AP
Agnes Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cerro-Gordo-County, Iowa
Our Model Tree links this Agnes Peterson across the 1930 and 1940 US Censuses in Cerro-Gordo-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 8-person household.
Age 44
b. ~1896
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cerro-Gordo-County, Iowa |
| Surname | Peterson |
| Given Name | Agnes |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Thornton Town |
| 1935 Residence (County) | Cerro Gordo |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Thornton Town |
| Est. Birth Year | ~1896 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Agnes | Age | Birth yr |
|---|---|---|---|---|
| George Peterson | Son | — | 23 | ~1917 |
| Gena Engebretson | Other | — | 65 | ~1875 |
| Doris Peterson | Daughter | — | 20 | ~1920 |
| Benny Peterson | Head | — | 59 | ~1881 |
| Woodrow Peterson | Son | — | 21 | ~1919 |
| Frances Peterson | Daughter | — | 15 | ~1925 |
| Lois Peterson | Daughter | — | 17 | ~1923 |
| Agnes Peterson | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Cerro Gordo, …
Spouse, age 34
Cerro Gordo, Iowa · implied b. ~1896 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Agnes |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 20 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Cerro-Gordo-County, Iowa
Spouse, age 44
Cerro-Gordo-County, Iowa · implied b. ~1896 — 8 household members
| Surname | Peterson |
| Given Name | Agnes |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Thornton Town |
| 1935 Residence (County) | Cerro Gordo |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Agnes Peterson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Agnes Peterson
Spouse · 1940 · age 44 · b. ~1896 · 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 — Cerro-Gordo-County, Iowa
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1940 US Federal Census — Cerro-Gordo-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01146-00296)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clifford Abrams | 57 | Head | Farm Manager | Iowa |
| 2 | Mary Abrams | 56 | Wife | Nursing | Iowa |
| 3 | Gray Hoag | 39 | Head | Mechanic | Wisconsin |
| 4 | De Lelle Hoag | 28 | Wife | — | Minnesota |
| 5 | Donavan Hoag | 5 | Son | — | Iowa |
| 6 | Nels Winters | 54 | Head | Drayman | Denmark |
| 7 | Thora Winters | 48 | Wife | — | Denmark |
| 8 | Arne Winters | 28 | Son | Laborer | Iowa |
| 9 | Wilhelm | 31 | Head | Mechanic | Iowa |
| 10 | Hattie Wilhelm | 27 | Wife | — | Iowa |
| 11 | Carl Morris | 52 | Head | — | Missouri |
| 12 | Goldie Morris | 27 | Wife | — | Iowa |
| 13 | Don Larry Morris | 9 | Son | — | Iowa |
| 14 | Kenneth Payne | 10 | Stepson | — | Iowa |
| 15 | William Black | 67 | Head | Laborer | Iowa |
| 16 | Mary Black | 62 | Wife | — | Iowa |
| 17 | Bohn H Brown | 62 | Head | Farming | Illinois |
| 18 | Anna Brown | 54 | Wife | — | Iowa |
| 19 | Karl Brown | 35 | Nephew | Mechanic | Iowa |
| 20 | Hardena Reikens | 66 | Head | — | Germany |
| 21 | Eliza Reikens | 41 | Son | — | Iowa |
| 22 | John Hinrichson | 60 | Head | City Marshal | Schleswig-Holstein |
| 23 | Mary Hinrichson | 58 | Wife | — | Germany |
| 24 | Chris Hinrichson | 30 | Son | Laborer | Iowa |
| 25 | Vern Hinrichson | 27 | Son | Laborer | Iowa |
| 26 | Audra Hinrichson | 25 | Daughter | Saleslady | Iowa |
| 27 | Hattie Hinrichson | 22 | Daughter | Servant | Iowa |
| 28 | Anthony Flay | 76 | Uncle | — | Germany |
| 29 | Ervil Christiansen | 80 | Head | — | Denmark |
| 30 | Mary Christiansen | 77 | Wife | — | Sweden |
| 31 | Benny H Peterson | 59 | Head | Foreman | Illinois |
| 32 | Agnes Peterson THIS PERSON | 44 | Wife | — | Iowa |
| 33 | George E Peterson | 23 | Son | Laborer | Iowa |
| 34 | Woodrow Peterson | 21 | Son | Gunner | Iowa |
| 35 | Doris Peterson | 20 | Daughter | Waitress | Iowa |
| 36 | Lois Peterson | 17 | Daughter | — | Iowa |
| 37 | Frances Peterson | 15 | Daughter | — | Iowa |
| 38 | Gena Engebretson | 65 | Housekeeper | — | Iowa |
| 39 | Soren Nielsen | 61 | Head | Farmer | Denmark |
| 40 | Lena Nielsen | 55 | Wife | — | Denmark |
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)