PJ
Peter Jensen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Peter Jensen across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 5-person household.
Age 65
b. ~1875
Male
Head
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Jensen |
| Given Name | Peter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Printing Co. |
| Industry | PW |
| Class of Worker | 1612 |
| Highest Grade | 8 |
| 1935 Residence | 40 |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Occupation | Printing Co. |
| Township / Ward | Chicago |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Peter | Age | Birth yr |
|---|---|---|---|---|
| Peter Jensen | Head | — | 65 | ~1875 |
| Walter Meinert | Other | — | 44 | ~1896 |
| Phyllis Meinert | Other | — | 11 | ~1929 |
| Mary Jensen | Spouse | — | 64 | ~1876 |
| Viola Meinert | Daughter | — | 39 | ~1901 |
Census Appearances
1920
Cook, Illinois
Head, age 44
Cook, Illinois · implied b. ~1876 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Peder |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Widowed |
| Birthplace | Norway |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
Cook, Illinois
Head, age 55
Cook, Illinois · implied b. ~1875 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Peter M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Norway |
| Age at First Marriage | 21 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Yes |
| Industry | Pressman |
| Class of Worker | Printing |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Cook-County, Illinois
Head, age 65
Cook-County, Illinois · implied b. ~1875 — 5 household members
| Surname | Jensen |
| Given Name | Peter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Printing Co. |
| Industry | PW |
| Class of Worker | 1612 |
| Highest Grade | 8 |
| 1935 Residence | 40 |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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.
Show:
This person
Anchor record
Peter Jensen
Head · 1940 · age 65 · b. ~1875 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00998-00626)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Bournique | 2 | Son | — | Illinois |
| 2 | John Bournique | 1 | Son | — | Illinois |
| 3 | Margaret Bournique | 27 | Sister | Clerk | Illinois |
| 4 | Walter Henneman | 46 | Head | Retail Bakery | Illinois |
| 5 | Bertha Henneman | 43 | Wife | School | Illinois |
| 6 | Walter Jr. Henneman | 18 | Son | — | Illinois |
| 7 | Virginia Henneman | 16 | Daughter | — | Illinois |
| 8 | James Henneman | 8 | Son | — | Illinois |
| 9 | James Olsen | 66 | Head | Pub. Bldg. | Norway |
| 10 | Mary Olsen | 65 | Wife | Domestic | Norway |
| 11 | Carl Simonson | 41 | Head | Firm | Illinois |
| 12 | Esther Simonson | 42 | Wife | Department Store | Illinois |
| 13 | Kenneth Simonson | 11 | Son | — | Illinois |
| 14 | Mary Parent | 51 | Head | — | Illinois |
| 15 | Lucille Parent | 25 | Daughter | Beauty Shop | Illinois |
| 16 | Dorothy Styer | 26 | Daughter | Telephone Co. | Illinois |
| 17 | John Styer | 27 | Son-in-law | Furniture Factory | Austria |
| 18 | John Jr. Styer | 2 | Grandson | — | Illinois |
| 19 | Francis Foley | 83 | Father | — | Illinois |
| 20 | Delroy Armstrong | 60 | Head | Building Construction | Ohio |
| 21 | Mary Armstrong | 45 | Wife | Dept. Store | Illinois |
| 22 | Raymond Armstrong | 19 | Son | — | Illinois |
| 23 | Warren Armstrong | 17 | Son | — | Illinois |
| 24 | Werner Schlieman | 44 | Head | Wholesale Grocery | Illinois |
| 25 | Elizabeth Schlieman | 41 | Wife | Grocery Store | Illinois |
| 26 | Werner Jr. Schlieman | 21 | Son | Service Station | Illinois |
| 27 | Joseph Trawle | 48 | Head | Steam Railroad | Austria |
| 28 | Katherine Trawle | 46 | Wife | Public School | Austria |
| 29 | Elmer Trawle | 24 | Son | Stockyard | Illinois |
| 30 | Peter Jensen THIS PERSON | 65 | Head | Printing Co. | Norway |
| 31 | Mary Jensen | 64 | Wife | Dress Shop | Norway |
| 32 | Viola Meinert | 39 | Daughter | Telephone Co. | Illinois |
| 33 | Walter Meinert | 44 | Son-in-law | Express Co. | Illinois |
| 34 | Phyllis Meinert | 11 | Granddaughter | — | Illinois |
| 35 | Mary Nolen | 79 | Head | Private Family | Sweden |
| 36 | Sam Worobow | 47 | Head | Suit Case Factory | Russia |
| 37 | Jenny Worobow | 43 | Wife | Clothing Factory | Russia |
| 38 | Marvin Worobow | 19 | Son | Retail Clothing | Illinois |
| 39 | Shirley Worobow | 16 | Daughter | — | Illinois |
| 40 | Charles Ring | 58 | Head | Department Store | Norway |
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)