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Jens Jensen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Wisconsin
Our Model Tree links this Jens Jensen across the 1910, 1920, 1930 and 1940 US Censuses in Polk-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 5-person household.
Age 48
b. ~1892
Male
Head
Born: Denmark
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Wisconsin |
| Surname | Jensen |
| Given Name | Jens C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Denmark |
| 1935 Residence (City) | Sterling Town |
| 1935 Residence (County) | Polk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Farm |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 74 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Wisconsin |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
| Occupation | Farm |
| Township / Ward | Sterling Town |
| Est. Birth Year | ~1892 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jens | Age | Birth yr |
|---|---|---|---|---|
| Sarah Jensen | Spouse | — | 42 | ~1898 |
| Joan Jensen | Daughter | — | 13 | ~1927 |
| Wayne Shuttuck | Other | — | ~1940 | |
| Myrtle Shuttuck | Daughter | — | 21 | ~1919 |
| Jens Jensen | Head | — | 48 | ~1892 |
Census Appearances
1910
Worcester, Massachusetts
Other, age 17
Worcester, Massachusetts · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Jens C. |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Denmark |
| Year of Immigration | 1910 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Stenographer |
| Industry | Plumbing Supplies |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1920
Lincoln, Montana
Other, age 27
Lincoln, Montana · implied b. ~1893 — 31 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Jens C. |
| Relationship to Head | roomer |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Denmark |
| Year of Immigration | 1911 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | laborer |
| Industry | lumber mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Year of Naturalization | 1917 |
| Birthplace (normalized) | denmark |
1930
Rock, Wisconsin
Head, age 37
Rock, Wisconsin · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Jens C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 26 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | R |
| Veteran | No |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1940
Polk-County, Wisconsin
Head, age 48
Polk-County, Wisconsin · implied b. ~1892 — 5 household members
| Surname | Jensen |
| Given Name | Jens C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Denmark |
| 1935 Residence (City) | Sterling Town |
| 1935 Residence (County) | Polk |
| Naturalization Status | Naturalized |
| Occupation | Farm |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 74 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Wisconsin |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
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 Jens Jensen across 4 US Census years (1910, 1920, 1930 and 1940) in 4 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jens Jensen
Head · 1940 · age 48 · b. ~1892 · 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 — Polk-County, Wisconsin
Open full size
1940 US Federal Census — Polk-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04512-00743)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edla Hedman | 72 | Mother | — | Sweden |
| 2 | Jens C. Jensen THIS PERSON | 48 | Head | Farm | Denmark |
| 3 | Sarah Jensen | 42 | Wife | — | Iowa |
| 4 | Joan Jensen | 13 | Daughter | — | North Dakota |
| 5 | Myrtle Shuttuck | 21 | Daughter | — | North Dakota |
| 6 | Wayne Shuttuck | 0 | Grandson | — | Minnesota |
| 7 | Hildur C. Beckstrom | 43 | Head | Farm | Wisconsin |
| 8 | Leander Beckstrom | 39 | Brother | Farm | Wisconsin |
| 9 | Carl Beckstrom | 35 | Brother | Labor | Wisconsin |
| 10 | Elmer Beckstrom | 31 | Brother | Labor | Wisconsin |
| 11 | Minnie Gomp | 70 | Mother | — | Sweden |
| 12 | Fritz J. Gunderson | 65 | Head | Farm | Wisconsin |
| 13 | Phemia Gunderson | 57 | Wife | — | Wisconsin |
| 14 | Allen Gunderson | 21 | Son | Labor | Wisconsin |
| 15 | Christ M. Borup | 53 | Head | Farm | Wisconsin |
| 16 | Catherine Borup | 47 | Wife | — | Nebraska |
| 17 | Oscar S. Malmquist | 52 | Head | Farm | Wisconsin |
| 18 | Ellen Malmquist | 50 | Wife | — | Sweden |
| 19 | Winston Malmquist | 21 | Son | Calculator Clerk | Wisconsin |
| 20 | James Holmer | 30 | Lodger | Teacher | Illinois |
| 21 | Erich T. Anderson | 51 | Head | Farm | Sweden |
| 22 | Edith O. Anderson | 46 | Wife | — | Wisconsin |
| 23 | Vividell Anderson | 15 | Daughter | — | Minnesota |
| 24 | Dennis Anderson | 8 | Son | — | Minnesota |
| 25 | Willard Ramstrom | 49 | Brother-in-law | — | Wisconsin |
| 26 | Ruth Lundquist | 41 | Head | Housework | Wisconsin |
| 27 | Alice Lundquist | 44 | Sister | — | Wisconsin |
| 28 | William Hoffman | 33 | Head | Farm | Wisconsin |
| 29 | Olive Hoffman | 30 | Wife | — | Wisconsin |
| 30 | Laurence Hoffman | 9 | Son | — | Wisconsin |
| 31 | Joel Hoffman | 7 | Son | — | Wisconsin |
| 32 | Eloie Hoffman | 4 | Daughter | — | Wisconsin |
| 33 | B. Carl | 77 | Step-father | — | Sweden |
| 34 | Ingrid Carl | 76 | Step-mother | — | Sweden |
| 35 | Albert Hedberg | 55 | Head | Laborer | Wisconsin |
| 36 | Minnie Hedberg | 46 | Wife | — | Sweden |
| 37 | Joyce Hedberg | 16 | Daughter | — | Wisconsin |
| 38 | Edwin Shern | 27 | Head | Teacher | Wisconsin |
| 39 | Vera Shern | 27 | Wife | — | Wisconsin |
| 40 | Sharon Shern | 7 | Daughter | — | Wisconsin |
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)