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Robert Jensen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bremer-County, Iowa
Our Model Tree links this Robert Jensen across the 1930 and 1940 US Censuses in Bremer-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 15-person household.
Age 10
b. ~1930
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bremer-County, Iowa |
| Surname | Jensen |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (County) | Bremer |
| Additional Details | |
| Highest Grade | No 5 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Franklin |
| Est. Birth Year | ~1930 |
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.
15 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| John Jensen | Son | — | 11 | ~1929 |
| Ruth Jensen | Daughter | — | 16 | ~1924 |
| James Jensen | Son | — | 2 | ~1938 |
| Kenneth Jensen | Son | — | 3 | ~1937 |
| Rollin Jensen | Son | — | 18 | ~1922 |
| Josephine Jensen | Spouse | — | 40 | ~1900 |
| Jane Jensen | Daughter | — | 2 | ~1938 |
| Grace Jensen | Daughter | — | 20 | ~1920 |
| Lee Jensen | Son | — | 8 | ~1932 |
| Robert Jensen | Son | — | 10 | ~1930 |
| Oscar Jensen | Head | — | 45 | ~1895 |
| Paul Jensen | Son | — | 12 | ~1928 |
| Arlene Jensen | Daughter | — | 4 | ~1936 |
| Dale Jensen | Son | — | 14 | ~1926 |
| Tommy Jensen | Son | — | 6 | ~1934 |
Census Appearances
1930
Bremer, Iowa
Son, age
Bremer, Iowa · implied b. ~1930 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Bremer-County, Iowa
Son, age 10
Bremer-County, Iowa · implied b. ~1930 — 15 household members
| Surname | Jensen |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (County) | Bremer |
| Highest Grade | No 5 |
| 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 10 · b. ~1930 · Iowa
★ You are viewing this record
Sibling
Kenneth Jensen
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Jensen
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lee Jensen
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arlene Jensen
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Jensen
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Jensen
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Jensen
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Jensen
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rollin Jensen
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tommy Jensen
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Jensen
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Jensen
Sibling · 1940 · age 2
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 — Bremer-County, Iowa
Open full size
1940 US Federal Census — Bremer-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01142-00051)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Albright | 2 | Daughter | — | Iowa |
| 42 | Herman Albright | 60 | Head | Farming | Iowa |
| 43 | Dora Albright | 51 | Wife | — | Kansas |
| 44 | Lloyd Albright | 23 | Son | Farming | Iowa |
| 45 | Vincent Albright | 9 | Son | — | Iowa |
| 46 | Nick Cook | 71 | Head | Farming | Iowa |
| 47 | Elizabeth Cook | 74 | Wife | — | Iowa |
| 48 | Arthur Salisbury | 35 | Son-in-law | General Trucking | Iowa |
| 49 | Miriam Salisbury | 26 | Daughter | — | Iowa |
| 50 | Barbara Salisbury | 3 | Granddaughter | — | Iowa |
| 51 | Kathleen Salisbury | 1 | Granddaughter | — | Iowa |
| 52 | Richard Salisbury | 0 | Grandson | — | Iowa |
| 53 | Ernst Tiedt | 57 | Head | Farming | Iowa |
| 54 | Emma Tiedt | 48 | Wife | — | Iowa |
| 55 | Randolph Tiedt | 26 | Son | Farming | Iowa |
| 56 | Earl Tiedt | 17 | Son | — | Iowa |
| 57 | Darlys Tiedt | 12 | Daughter | — | Iowa |
| 58 | Dorothy Fern Renner | 16 | Niece | — | Iowa |
| 59 | Oscar Jensen | 45 | Head | Farming | Illinois |
| 60 | Josephine Jensen | 40 | Wife | — | Iowa |
| 61 | Grace Jensen | 20 | Daughter | Teaching | Iowa |
| 62 | Rollin Jensen | 18 | Son | Building | Iowa |
| 63 | Ruth Ann Jensen | 16 | Daughter | — | Iowa |
| 64 | Dale Jensen | 14 | Son | — | Iowa |
| 65 | Paul Jensen | 12 | Son | — | Iowa |
| 66 | John Jensen | 11 | Son | — | Iowa |
| 67 | Robert Jensen THIS PERSON | 10 | Son | — | Iowa |
| 68 | Lee Jensen | 8 | Son | — | Iowa |
| 69 | Tommy Jensen | 6 | Son | — | Iowa |
| 70 | Arlene Jensen | 4 | Daughter | — | Iowa |
| 71 | Kenneth Jensen | 3 | Son | — | Iowa |
| 72 | Jane Jensen | 2 | Daughter | — | Iowa |
| 73 | James Jensen | 2 | Son | — | Iowa |
| 74 | Ray Cosselman | 51 | Head | Farming | Nebraska |
| 75 | Ethel Cosselman | 49 | Wife | — | Illinois |
| 76 | Mildred Cosselman | 23 | Daughter | — | Missouri |
| 77 | Helen Cosselman | 12 | Daughter | — | Iowa |
| 78 | Alvin Cosselman | 9 | Son | — | Iowa |
| 79 | Harold Heineman | 30 | Head | Tiling | Iowa |
| 80 | Ruth Heineman | 23 | Wife | — | 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)