PW
Peter Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Minnesota
Our Model Tree links this Peter Williams across the 1930 and 1940 US Censuses in Polk-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 10-person household.
Age 65
b. ~1875
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Minnesota |
| Surname | Williams |
| Given Name | Peter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Higdem Township |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Higdem Township |
| Est. Birth Year | ~1875 |
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 Peter | Age | Birth yr |
|---|---|---|---|---|
| Elmer Williams | Son | — | 23 | ~1917 |
| Sella Williams | Spouse | — | 53 | ~1887 |
| Milton Williams | Son | — | 15 | ~1925 |
| Clarice Williams | Daughter | — | 17 | ~1923 |
| Milford Williams | Son | — | 20 | ~1920 |
| Viola Williams | Daughter | — | 18 | ~1922 |
| Inez Williams | Daughter | — | 21 | ~1919 |
| Gilbert Dahl | Other | — | 33 | ~1907 |
| Peter Williams | Head | — | 65 | ~1875 |
| Lora Williams | Other | — | 73 | ~1867 |
Census Appearances
1930
Polk, Minnesota
Head, age 54
Polk, Minnesota · implied b. ~1876 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Peter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 40 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Own Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Minnesota
Head, age 65
Polk-County, Minnesota · implied b. ~1875 — 10 household members
| Surname | Williams |
| Given Name | Peter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Higdem Township |
| 1935 Residence (County) | Polk |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 56 |
| 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 Peter Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Peter Williams
Head · 1940 · age 65 · b. ~1875 · 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 — Polk-County, Minnesota
Open full size
1940 US Federal Census — Polk-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01949-00572)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Weissmantel | 35 | Daughter | — | Minnesota |
| 2 | Jacqueline Weissmantel | 10 | Daughter | — | Minnesota |
| 3 | Audrey Weissmantel | 5 | Daughter | — | Illinois |
| 4 | Carl E. Malmberg | 62 | Head | Farmer | Minnesota |
| 5 | Olava A. Malmberg | 60 | Brother | Farmer | Minnesota |
| 6 | Stella Springstee | 49 | Servant | Maid | Minnesota |
| 7 | Belva Springstee | 25 | Daughter | Maid | Minnesota |
| 8 | Peter Williams THIS PERSON | 65 | Head | Farmer | Iowa |
| 9 | Sella E. Williams | 53 | Wife | — | North Dakota |
| 10 | Elmer L. Williams | 23 | Son | Laborer | Minnesota |
| 11 | Inez L. Williams | 21 | Daughter | Maid | Minnesota |
| 12 | Milford E. Williams | 20 | Son | Laborer | Minnesota |
| 13 | Viola G. Williams | 18 | Daughter | — | Minnesota |
| 14 | Clarice M. Williams | 17 | Daughter | — | Minnesota |
| 15 | Milton H. Williams | 15 | Son | Laborer | Minnesota |
| 16 | Lora J. Williams | 73 | Sister | — | Iowa |
| 17 | Gilbert A. Dahl | 33 | Hired Man | Laborer | Minnesota |
| 18 | Alfred E. Malmberg | 47 | Head | Farmer | Minnesota |
| 19 | Helming Malmberg | 48 | Brother | Farmer | Minnesota |
| 20 | Carl J. Ratahl | 55 | Brother | Farmer | Norway |
| 21 | William Cordell | 29 | Servant | Laborer | Illinois |
| 22 | Katherine Johnson | 33 | Servant | Maid | Illinois |
| 23 | Manuel Roland | 39 | Head | Laborer | Mexico |
| 24 | Apollinar Roland | 28 | Wife | Laborer | Mexico |
| 25 | Adela S. Roland | 6 | Daughter | — | North Dakota |
| 26 | Roberto S. Roland | 4 | Son | — | Minnesota |
| 27 | Parmenia Roland | 2 | Daughter | — | Minnesota |
| 28 | Matthew P. Martin | 47 | Head | Carpenter | Minnesota |
| 29 | Blanche Martin | 44 | Wife | — | Minnesota |
| 30 | Matthew J. Martin | 16 | Son | — | Minnesota |
| 31 | Leslie Martin | 11 | Son | — | Minnesota |
| 32 | Hans J. Aune | 53 | Head | Farmer | Minnesota |
| 33 | Clara G. Aune | 58 | Wife | — | Minnesota |
| 34 | Clemens H. Aune | 20 | Son | Laborer | Minnesota |
| 35 | Dorothy H. Aune | 18 | Daughter | — | Minnesota |
| 36 | Ralph H. Aune | 15 | Son | — | Minnesota |
| 37 | Clarice M. Aune | 13 | Daughter | — | Minnesota |
| 38 | Arlen W. Aune | 9 | Son | — | Minnesota |
| 39 | Helbertine Aune | 88 | Mother | — | Norway |
| 40 | Chester O. Marvin | 65 | Head | Farmer | Minnesota |
Related Census Records
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)