WJ
William Jensen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Racine-County, Wisconsin
Our Model Tree links this William Jensen across the 1930 and 1940 US Censuses in Racine-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1907), then head of a 7-person household.
Age 33
b. ~1907
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Racine-County, Wisconsin |
| Surname | Jensen |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Mt Pleasant Township |
| 1935 Residence (County) | Racine |
| Additional Details | |
| Occupation | Trucker |
| Industry | Farm Implement |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 432 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Trucker |
| Township / Ward | Mt Pleasant Township |
| Est. Birth Year | ~1907 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Harrell Jensen | Daughter | — | 10 | ~1930 |
| Anna Jensen | Spouse | — | 33 | ~1907 |
| Bruce Jensen | Son | — | 3 | ~1937 |
| Shirley Jensen | Daughter | — | 11 | ~1929 |
| Anna Detrock | Other | — | 62 | ~1878 |
| Starling Jensen | Daughter | — | 8 | ~1932 |
| William Jensen | Head | — | 33 | ~1907 |
Census Appearances
1930
Racine, Wisconsin
Son, age 23
Racine, Wisconsin · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | Laborer |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Racine-County, Wisconsin
Head, age 33
Racine-County, Wisconsin · implied b. ~1907 — 7 household members
| Surname | Jensen |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Mt Pleasant Township |
| 1935 Residence (County) | Racine |
| Occupation | Trucker |
| Industry | Farm Implement |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 432 |
| Highest Grade | No 8 |
| 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 William Jensen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Jensen
Head · 1940 · age 33 · b. ~1907 · 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 — Racine-County, Wisconsin
Open full size
1940 US Federal Census — Racine-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04515-00457)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leona Fiekwig | 30 | Mother-in-law | — | Wisconsin |
| 42 | Diane Fiekwig | 3 | Grand-daughter | — | Wisconsin |
| 43 | William Friedrich | 57 | Head | Proprietor | Wisconsin |
| 44 | Inza Friedrich | 50 | Wife | — | Illinois |
| 45 | William Friedrich | 10 | Grandson | — | Wisconsin |
| 46 | Richard Friedrich | 8 | Grandson | — | North Carolina |
| 47 | Robert Friedrich | 6 | Grandson | — | Wisconsin |
| 48 | George Friedrich | 5 | Grandson | — | Illinois |
| 49 | William Jensen THIS PERSON | 33 | Head | Trucker | Wisconsin |
| 50 | Anna Jensen | 33 | Wife | — | Czecho Slovakia |
| 51 | Shirley Jensen | 11 | Daughter | — | Wisconsin |
| 52 | Harrell Jensen | 10 | Daughter | — | Wisconsin |
| 53 | Starling Jensen | 8 | Daughter | — | Wisconsin |
| 54 | Bruce Jensen | 3 | Son | — | Wisconsin |
| 55 | Anna Detrock | 62 | Mother-in-law | — | Czecho Slovakia |
| 56 | Charles A. Engstrom | 51 | Head | Bus Driver | Sweden |
| 57 | Jessie A. Engstrom | 53 | Wife | — | Wisconsin |
| 58 | Edith Engstrom | 20 | Daughter | — | Wisconsin |
| 59 | Dorothy Engstrom | 17 | Daughter | — | Wisconsin |
| 60 | Howard Engstrom | 26 | Son | Machinist | Wisconsin |
| 61 | Evelyn Engstrom | 19 | Daughter-in-law | House Maid | Nebraska |
| 62 | James V. Engstrom | 0 | Grandson | — | Wisconsin |
| 63 | Daniel Gondry | 31 | Head | Store Supervisor | Canada |
| 64 | Louise Gondry | 31 | Wife | — | Wisconsin |
| 65 | Roger Gondry | 7 | Son | — | Wisconsin |
| 66 | Allen Gondry | 5 | Son | — | Wisconsin |
| 67 | James Gondry | 3 | Son | — | Wisconsin |
| 68 | Calvin Gondry | 1 | Son | — | Wisconsin |
| 69 | George Bessa | 30 | Head | Assistant Foreman | Italy |
| 70 | Carmella Bessa | 30 | Wife | — | Italy |
| 71 | Caroline Bessa | 8 | Daughter | — | Illinois |
| 72 | Eugene Bessa | 1 | Son | — | Wisconsin |
| 73 | Fred C. Shadwell | 51 | Head | Mechanic | Germany |
| 74 | Gertrude Shadwell | 47 | Wife | — | Germany |
| 75 | Frederick Mensing | 46 | Head | Assembler | Wisconsin |
| 76 | Iris Mensing | 37 | Wife | — | Wisconsin |
| 77 | Doris Mensing | 13 | Daughter | — | Wisconsin |
| 78 | Frederick Mensing | 11 | Son | — | Wisconsin |
| 79 | Andrew Konsky | 65 | Head | Laborer | Czecho Slovakia |
| 80 | Anna Konsky | 65 | Wife | — | Czecho Slovakia |
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)