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Robert Jensen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lincoln-County, Colorado
Our Model Tree links this Robert Jensen across the 1930 and 1940 US Censuses in Lincoln-County, Colorado (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 12-person household.
Age 13
b. ~1927
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lincoln-County, Colorado |
| Surname | Jensen |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Hugo Suburban |
| 1935 Residence (County) | Lincoln |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Hugo Suburban |
| Est. Birth Year | ~1927 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Arden Jensen | Son | — | 5 | ~1935 |
| Linda Jensen | Daughter | — | 1 | ~1939 |
| Irma Jensen | Daughter | — | 9 | ~1931 |
| Robert Jensen | Son | — | 13 | ~1927 |
| Earl Jensen | Son | — | 7 | ~1933 |
| Eugene Jensen | Son | — | 18 | ~1922 |
| Clara Jensen | Daughter | — | 14 | ~1926 |
| Margie Jensen | Daughter | — | 3 | ~1937 |
| Viola Jensen | Spouse | — | 36 | ~1904 |
| Hubert Jensen | Son | — | 16 | ~1924 |
| Florence Jensen | Daughter | — | 11 | ~1929 |
| J Jensen | Head | — | 48 | ~1892 |
Census Appearances
1930
Lincoln, Colorado
Son, age 3
Lincoln, Colorado · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Nebraska |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Lincoln-County, Colorado
Son, age 13
Lincoln-County, Colorado · implied b. ~1927 — 12 household members
| Surname | Jensen |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Hugo Suburban |
| 1935 Residence (County) | Lincoln |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 13 · b. ~1927 · Colorado
★ You are viewing this record
Sibling
Irma Jensen
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margie Jensen
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arden Jensen
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hubert Jensen
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Jensen
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Linda Jensen
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Jensen
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Jensen
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl 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 — Lincoln-County, Colorado
Open full size
1940 US Federal Census — Lincoln-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00469-00179)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alex W. Smith | 64 | Head | Farmer | Missouri |
| 2 | Laura Smith | 73 | Wife | — | Missouri |
| 3 | Le Roy Hecht | 44 | Head | Handy Man | Nebraska |
| 4 | Estella M. Hecht | 66 | Mother | — | Illinois |
| 5 | Lois A. Hecht | 17 | daughter | — | Colorado |
| 6 | Ronald Eugene Hecht | 5 | grandson | — | Colorado |
| 7 | Earl D. Woodworth | 57 | Head | Farmer | Iowa |
| 8 | Sarah Woodworth | 59 | Wife | — | Iowa |
| 9 | James M. Griffin | 49 | Head | Farmer | Iowa |
| 10 | Skipped This Line Griffin | None | — | — | — |
| 11 | Jesse Gronau | 43 | Head | Farmer | Nebraska |
| 12 | Deloris Gronau | 12 | daughter | — | Colorado |
| 13 | Leona Johnson | 33 | Housekeeper | Housekeeper | Nebraska |
| 14 | J. P. Jensen | 48 | Head | Farmer | Denmark |
| 15 | Viola D. Jensen | 36 | Wife | — | Nebraska |
| 16 | Eugene Jensen | 18 | son | Laborer | Colorado |
| 17 | Hubert Jensen | 16 | son | — | Colorado |
| 18 | Clara Jensen | 14 | daughter | — | Colorado |
| 19 | Robert Jensen THIS PERSON | 13 | son | — | Colorado |
| 20 | Florence Jensen | 11 | daughter | — | Colorado |
| 21 | Irma Jensen | 9 | daughter | — | Colorado |
| 22 | Earl Jensen | 7 | son | — | Colorado |
| 23 | Arden Jensen | 5 | son | — | Colorado |
| 24 | Margie Jensen | 3 | daughter | — | Colorado |
| 25 | Linda Jensen | 1 | daughter | — | Colorado |
| 26 | Henry D. Palmeter | 40 | Head | Farmer | Kansas |
| 27 | Irene Palmeter | 37 | Wife | — | Iowa |
| 28 | Jack Palmeter | 15 | son | — | Colorado |
| 29 | Irma Lee Palmeter | 13 | daughter | — | Colorado |
| 30 | Larry Palmeter | 10 | son | — | Colorado |
| 31 | Donna Fay Palmeter | 4 | daughter | — | Colorado |
| 32 | Elsa Hansen | 52 | Head | — | Kansas |
| 33 | Don Hansen | 18 | son | Janitor | Nebraska |
| 34 | Billie Joe Hansen | 3 | Grand-son | — | Colorado |
| 35 | Paul F. Landwehr | 33 | Head | Farmer | Kansas |
| 36 | Lula Landwehr | 21 | Wife | — | Colorado |
| 37 | Patricia Lee Landwehr | 1 | daughter | — | Colorado |
| 38 | Hans F. Wigland | 66 | Head | Farmer | Norway |
| 39 | Annie Wigland | 18 | daughter | — | Colorado |
| 40 | Walter F. Waters | 31 | Head | Farmer | 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)