FP
Frank Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Wisconsin
Our Model Tree links this Frank Peterson across the 1920, 1930 and 1940 US Censuses in Polk-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 4-person household.
Age 73
b. ~1867
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Wisconsin |
| Surname | Peterson |
| Given Name | Frank E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | St Croix Falls town |
| 1935 Residence (County) | Polk |
| Naturalization Status | First papers filed |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Same house |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Farmer |
| Township / Ward | St Croix Falls Town |
| Est. Birth Year | ~1867 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Sigrid Peterson | Daughter | — | 42 | ~1898 |
| Frank Peterson | Head | — | 73 | ~1867 |
| Carl Peterson | Son | — | 38 | ~1902 |
| Anna Peterson | Spouse | — | 68 | ~1872 |
Census Appearances
1920
Barron, Wisconsin
Head, age 55
Barron, Wisconsin · implied b. ~1865
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Peterson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Single |
| Birthplace | Sweden |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Barron, Wisconsin
Head, age 62
Barron, Wisconsin · implied b. ~1868
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Peterson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Single |
| Birthplace | Sweden |
| Naturalization Status | Un |
| Year of Immigration | 1886 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | Dairy Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Polk-County, Wisconsin
Head, age 73
Polk-County, Wisconsin · implied b. ~1867 — 4 household members
| Surname | Peterson |
| Given Name | Frank E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | St Croix Falls town |
| 1935 Residence (County) | Polk |
| Naturalization Status | First papers filed |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| 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 Frank 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
Frank Peterson
Head · 1940 · age 73 · b. ~1867 · 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 — Polk-County, Wisconsin
Open full size
1940 US Federal Census — Polk-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04512-00697)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas H Pratt | 62 | Head | Manager | Iowa |
| 2 | Mary Pratt | 61 | Wife | — | Ohio |
| 3 | Morgan Pratt | 24 | Son | Lineman | Minnesota |
| 4 | Alfred Englund | 56 | Head | Farmer | Wisconsin |
| 5 | Christine Englund | 54 | Wife | — | Wisconsin |
| 6 | Ada Englund | 23 | Daughter | Housework | Wisconsin |
| 7 | Harold Petersen | 20 | Lodger | — | Illinois |
| 8 | Robert Stodt | 55 | Head | Farmer | Sweden |
| 9 | Louise Stodt | 22 | Daughter | Organist | Wisconsin |
| 10 | Sherman Stodt | 20 | Son | Farm Laborer | Wisconsin |
| 11 | Frank A Peterson | 80 | Head | — | Sweden |
| 12 | Ida Peterson | 73 | Wife | — | Sweden |
| 13 | Julius Thompson | 49 | Head | Farmer | Wisconsin |
| 14 | Lillian Thompson | 41 | Wife | — | Wisconsin |
| 15 | Earl Thompson | 21 | Son | Painter | Wisconsin |
| 16 | Lyle Thompson | 16 | Son | Farm Laborer | Wisconsin |
| 17 | Kenneth Thompson | 13 | Son | — | Wisconsin |
| 18 | Rubben Thompson | 11 | Son | — | Wisconsin |
| 19 | Keith Thompson | 7 | Son | — | Wisconsin |
| 20 | Violet Thompson | 7 | Daughter | — | Wisconsin |
| 21 | Lois Thompson | 5 | Daughter | — | Wisconsin |
| 22 | Carrol Thompson | 3 | Daughter | — | Wisconsin |
| 23 | Joan Thompson | 1 | Daughter | — | Wisconsin |
| 24 | Frank E Peterson THIS PERSON | 73 | Head | Farmer | Sweden |
| 25 | Anna Marie Peterson | 68 | Wife | — | Sweden |
| 26 | Sigrid Peterson | 42 | Daughter | Sales Clerk | Minnesota |
| 27 | Carl Peterson | 38 | Son | Manager | Wisconsin |
| 28 | Mauritz Peterson | 35 | Head | Farmer | Wisconsin |
| 29 | Mabel Peterson | 34 | Wife | — | Wisconsin |
| 30 | Gerald Peterson | 5 | Son | — | Wisconsin |
| 31 | Joyce Peterson | 5 | Daughter | — | Wisconsin |
| 32 | Martin F Arnal | 27 | Head | Carpenter | Wisconsin |
| 33 | Marjory Arnal | 26 | Wife | — | Wisconsin |
| 34 | Joyce Arnal | 6 | Daughter | — | Wisconsin |
| 35 | James Arnal | 5 | Son | — | Wisconsin |
| 36 | Ray Hopkins | 39 | Head | Farmer | Minnesota |
| 37 | Theresa Hopkins | 40 | Wife | — | Minnesota |
| 38 | Barbara Jean Hopkins | 2 | Daughter | — | Wisconsin |
| 39 | Delaris A Hopkins | 1 | Daughter | — | Wisconsin |
| 40 | Earl Joseph Moore | 17 | Stepson | Laborer | 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)