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Robert Jensen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hancock-County, Iowa
Our Model Tree links this Robert Jensen across the 1930 and 1940 US Censuses in Hancock-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hancock-County, Iowa |
| Surname | Jensen |
| Given Name | Robert G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Britt Twp. |
| 1935 Residence (County) | Hancock |
| Additional Details | |
| Occupation | farm laborer |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Laborer |
| Township / Ward | Britt Twp |
| Est. Birth Year | ~1922 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Edith Jensen | Daughter | — | 7 | ~1933 |
| Robert Jensen | Son | — | 18 | ~1922 |
| Nels Jensen | Son | — | 16 | ~1924 |
| Edwin Jensen | Son | — | 12 | ~1928 |
| W Jensen | Head | — | 53 | ~1887 |
| Christina Jensen | Daughter | — | 14 | ~1926 |
| Anna Jensen | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Hancock, Iowa
Son, age 8
Hancock, Iowa · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Robert G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Hancock-County, Iowa
Son, age 18
Hancock-County, Iowa · implied b. ~1922 — 7 household members
| Surname | Jensen |
| Given Name | Robert G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Britt Twp. |
| 1935 Residence (County) | Hancock |
| Occupation | farm laborer |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 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 Robert Jensen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Jensen
Son · 1940 · age 18 · b. ~1922 · Iowa
★ You are viewing this record
Sibling
Nels Jensen
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Christina Jensen
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Jensen
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Jensen
Sibling · 1940 · age 7
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 — Hancock-County, Iowa
Open full size
1940 US Federal Census — Hancock-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01164-00776)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles P. Frandson | 36 | Son | Farm Laborer | Iowa |
| 42 | Nan D. Frandson | 34 | Daughter | None | Iowa |
| 43 | Anna H. Reinken | 19 | Servant | Servant | Iowa |
| 44 | W. Bernhardt Jensen | 53 | Head | Farmer | Denmark |
| 45 | Anna F. Jensen | 46 | Wife | None | Iowa |
| 46 | Robert G. Jensen THIS PERSON | 18 | Son | Farm Laborer | Iowa |
| 47 | Nels C. Jensen | 16 | Son | Farm Laborer | Iowa |
| 48 | Christina G. Jensen | 14 | Daughter | None | Iowa |
| 49 | Edwin C. Jensen | 12 | Son | — | Iowa |
| 50 | Edith C. Jensen | 7 | Daughter | — | Iowa |
| 51 | Alfred Jacobson | 43 | Head | Farmer | Denmark |
| 52 | Carrie M. Jacobson | 43 | Wife | None | Denmark |
| 53 | Ben Asche | 39 | Head | Farmer | Illinois |
| 54 | Winifred D. Asche | 39 | Wife | None | Iowa |
| 55 | Elizabeth M. Asche | 15 | Daughter | None | Iowa |
| 56 | Walter C. Asche | 13 | Son | — | Iowa |
| 57 | Barthur Asche | 11 | Son | — | Iowa |
| 58 | Helen M. Asche | 5 | Daughter | — | Iowa |
| 59 | Max M. Mace | 34 | Head | Farmer | South Dakota |
| 60 | Vivian B. Mace | 38 | Wife | None | Iowa |
| 61 | Beverly J. Mace | 4 | Daughter | — | Iowa |
| 62 | Bonnie M. Mace | 1 | Daughter | — | Iowa |
| 63 | Eddie R. Mitchell | 19 | Hired man | Farm Laborer | Iowa |
| 64 | George E. Rozabek | 43 | Head | Farmer | Illinois |
| 65 | Elsie J. Rozabek | 43 | Wife | None | Iowa |
| 66 | Della D. Rozabek | 19 | Daughter | None | Iowa |
| 67 | Verna E. Rozabek | 17 | Daughter | None | Iowa |
| 68 | Cecil G. Rozabek | 14 | Son | Farm Laborer | Iowa |
| 69 | Wilhelm H.C. Schubert | 55 | Head | Farmer | Nebraska |
| 70 | Dora M. Schubert | 53 | Wife | None | Iowa |
| 71 | Herbert W.H. Schubert | 24 | Son | Laborer | Iowa |
| 72 | Walter O.A. Schubert | 19 | Son | Farmer | Iowa |
| 73 | Norma M.D. Schubert | 16 | Daughter | None | Iowa |
| 74 | Lena E.A. Schubert | 13 | Daughter | — | Iowa |
| 75 | Nicholas E. Burgardt | 47 | Head | Farmer | Iowa |
| 76 | Goldie M. Burgardt | 42 | Wife | None | Iowa |
| 77 | Celia J. Burgardt | 17 | Daughter | None | Iowa |
| 78 | Clayton E. Burgardt | 12 | Son | — | Iowa |
| 79 | Connie D. Burgardt | 10 | Son | — | Iowa |
| 80 | John H. Burgardt | 8 | Son | — | Iowa |
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)