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Robert Jensen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Edmunds-County, South Dakota
Our Model Tree links this Robert Jensen across the 1930 and 1940 US Censuses in Edmunds-County, South Dakota (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Male
Son
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Edmunds-County, South Dakota |
| Surname | Jensen |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Ipswich city |
| 1935 Residence (County) | Edmunds |
| Additional Details | |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Ipswich City |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Robert Jensen | Son | — | 17 | ~1923 |
| Marjorie Jensen | Daughter | — | 15 | ~1925 |
| Emily Jensen | Daughter | — | 9 | ~1931 |
| Elizabeth Jensen | Spouse | — | 40 | ~1900 |
| Duane Jensen | Son | — | 11 | ~1929 |
| Carson Jensen | Head | — | 44 | ~1896 |
| Patricia Jensen | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Edmunds, South …
Son, age 7
Edmunds, South Dakota · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | South Dakota |
| Occupation | none |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Edmunds-County, South …
Son, age 17
Edmunds-County, South Dakota · implied b. ~1923 — 7 household members
| Surname | Jensen |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Ipswich city |
| 1935 Residence (County) | Edmunds |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 17 · b. ~1923 · South Dakota
★ You are viewing this record
Sibling
Marjorie Jensen
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Duane Jensen
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Jensen
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emily Jensen
Sibling · 1940 · age 9
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 — Edmunds-County, South Dakota
Open full size
1940 US Federal Census — Edmunds-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03855-00362)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Myrtie V. Satzinger | 39 | Wife | — | Minnesota |
| 42 | Curtis Satzinger | 16 | Son | — | South Dakota |
| 43 | Shirley Satzinger | 12 | Daughter | — | South Dakota |
| 44 | John E. Duvall | 47 | Head | — | Maryland |
| 45 | Josephine Duvall | 55 | Wife | — | Minnesota |
| 46 | Gerald Duvall | 17 | Son | — | South Dakota |
| 47 | Curtis Duvall | 14 | Son | — | South Dakota |
| 48 | Calmar Duvall | 12 | Son | — | South Dakota |
| 49 | Richard E. Dancer | 43 | Head | Attendant | Minnesota |
| 50 | Carson Jensen | 44 | Head | Chief Of Police | Iowa |
| 51 | Elizabeth Jensen | 40 | Wife | — | South Dakota |
| 52 | Robert Jensen THIS PERSON | 17 | Son | — | South Dakota |
| 53 | Marjorie Jensen | 15 | Daughter | — | South Dakota |
| 54 | Patricia Jensen | 13 | Daughter | — | South Dakota |
| 55 | Duane Jensen | 11 | Son | — | South Dakota |
| 56 | Emily Labana Jensen | 9 | Daughter | — | South Dakota |
| 57 | Eugene Hennelly | 40 | Head | Vice-President | South Dakota |
| 58 | Alvina M. Hennelly | 34 | Wife | — | South Dakota |
| 59 | Colleen Hennelly | 10 | Daughter | — | South Dakota |
| 60 | Virginia Hennelly | 3 | Daughter | — | Minnesota |
| 61 | Edna Buechler | 20 | Lodger | Stenographer | South Dakota |
| 62 | Cecelia Adams | 23 | Lodger | Deputy Treasurer | South Dakota |
| 63 | Nan Wheelihan | 26 | Lodger | Teacher | North Dakota |
| 64 | Theophilus Barclay | 29 | Head | Clerk | South Dakota |
| 65 | Verna D. Barclay | 25 | Wife | — | South Dakota |
| 66 | Howard Luse | 35 | Lodger | Trucking | South Dakota |
| 67 | Bertha Talbot | 34 | Lodger | Teaching | Wisconsin |
| 68 | William Williams | 26 | Lodger | Clerk | South Dakota |
| 69 | Wendelin Sr. Kessler | 74 | Head | — | Russia |
| 70 | Martha Kessler | 45 | Wife | — | Russia |
| 71 | Anne Kessler | 22 | Daughter | — | South Dakota |
| 72 | Wendelin Jr. Kessler | 21 | Son | Clerk | South Dakota |
| 73 | Walter H. Morris | 55 | Head | — | South Dakota |
| 74 | Flossie V. Morris | 54 | Wife | — | South Dakota |
| 75 | Evelyn Brucker | 31 | Lodger | Teacher | South Dakota |
| 76 | Ida Ritchie | 26 | Lodger | Teacher | South Dakota |
| 77 | Natalie Klug | 24 | Lodger | Teacher | South Dakota |
| 78 | William A. Rague | 90 | Head | — | Vermont |
| 79 | Bessie Van Beek | 48 | Housekeeper | Housekeeper | South Dakota |
| 80 | Albert Strom | 51 | Head | Auditor | South Dakota |
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)