PJ
Peter Jensen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clark-County, Wisconsin
Our Model Tree links this Peter Jensen across the 1920, 1930 and 1940 US Censuses in Clark-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Peter & Hansine — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, Wisconsin |
| Surname | Jensen |
| Given Name | Peter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Hixon Township |
| 1935 Residence (County) | Clark |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 70 |
| Income (1939) | 500 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Laborer |
| Township / Ward | Hixon Township |
| Est. Birth Year | ~1915 |
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 Peter | Age | Birth yr |
|---|---|---|---|---|
| Peter Jensen | Head | — | 63 | ~1877 |
| Ann Jensen | Son | — | 41 | ~1899 |
| Peter Jensen | Son | — | 25 | ~1915 |
Census Appearances
1920
Clark, Wisconsin
Son, age 5
Clark, Wisconsin · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Peter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Mother Tongue | Danish |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Clark, Wisconsin
Other, age 15
Clark, Wisconsin · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Peter C. |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Clark-County, Wisconsin
Son, age 25
Clark-County, Wisconsin · implied b. ~1915 — 3 household members
| Surname | Jensen |
| Given Name | Peter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Hixon Township |
| 1935 Residence (County) | Clark |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 70 |
| Income (1939) | 500 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Jensen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Jensen (~0.92 confidence) and mother Hansine Jensen (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Jensen
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Hansine Jensen
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Peter Jensen
Son · 1940 · age 25 · b. ~1915 · Wisconsin
★ You are viewing this record
Sibling
Ann Jensen
Sibling · 1940 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Clark-County, Wisconsin
Open full size
1940 US Federal Census — Clark-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04465-00312)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Could | 19 | Daughter | — | Wisconsin |
| 2 | Winston Could | 17 | Son | — | Wisconsin |
| 3 | Thorwald Could | 15 | Son | — | Wisconsin |
| 4 | Peter Jensen | 63 | Head | Farmer | Denmark |
| 5 | Ann Jensen | 41 | Son | Laborer | Denmark |
| 6 | Peter Jensen THIS PERSON | 25 | Son | Laborer | Wisconsin |
| 7 | Russel Anderson | 36 | Head | Farmer | Illinois |
| 8 | N. C. Helen | 60 | Head | Farmer | Denmark |
| 9 | Karen Helen | 27 | Daughter | — | Wisconsin |
| 10 | Glenn D. Buchanan | 42 | Head | Farmer | Iowa |
| 11 | Doris Buchanan | 36 | Wife | — | Wisconsin |
| 12 | Charlotte Buchanan | 11 | Daughter | — | Wisconsin |
| 13 | Leonard Buchanan | 9 | Son | — | Wisconsin |
| 14 | James Buchanan | 5 | Son | — | Wisconsin |
| 15 | Henry D. Petke | 57 | Head | Farmer | Poland |
| 16 | Augusta Petke | 56 | Wife | — | Poland |
| 17 | Ernest Petke | 22 | Son | Laborer | Wisconsin |
| 18 | Richard A. Aslakson | 46 | Head | Farmer | Wisconsin |
| 19 | Emma Aslakson | 42 | Wife | — | Wisconsin |
| 20 | Herman Aslakson | 26 | Son | Laborer | Wisconsin |
| 21 | Lester Aslakson | 12 | Son | — | Wisconsin |
| 22 | Roger Aslakson | 3 | Son | — | Wisconsin |
| 23 | Hans C. Hansen | 50 | Head | Farmer | Nebraska |
| 24 | Anna Hansen | 51 | Wife | — | Wisconsin |
| 25 | Ethel Hansen | 21 | Daughter | — | Wisconsin |
| 26 | Helen Hansen | 19 | Daughter | — | Wisconsin |
| 27 | Lester Hansen | 16 | Son | — | Wisconsin |
| 28 | Warren Hansen | 12 | Son | — | Wisconsin |
| 29 | Howard O. Watson | 52 | Head | Farmer | Iowa |
| 30 | Mabel Watson | 52 | Wife | — | Iowa |
| 31 | Jeanette Watson | 22 | Daughter | — | Iowa |
| 32 | Albert Boone | 92 | Father-in-law | — | Ohio |
| 33 | J. G. Gustafson | 57 | Head | Farmer | Sweden |
| 34 | Cecelia M. Gustafson | 56 | Wife | — | Sweden |
| 35 | John Gustafson | 22 | Son | Laborer | Illinois |
| 36 | Henry Gustafson | 17 | Son | — | Wisconsin |
| 37 | Richard Gustafson | 15 | Son | — | Wisconsin |
| 38 | Arnold B. Hermanson | 32 | Head | Farmer | Wisconsin |
| 39 | Martha Hermanson | 34 | Wife | — | Minnesota |
| 40 | Helen Hermanson | 5 | Daughter | — | Wisconsin |
Pedigree Summary
Peter + 1 sibling
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)