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Anna Jensen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cass-County, Iowa
Our Model Tree links this Anna Jensen across the 1920, 1930 and 1940 US Censuses in Cass-County, Iowa (XGBoost, ~Confirmed), with identified parents Chris & Anton — first a daughter (b.~1905), then head of a 6-person household.
Age 35
b. ~1905
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cass-County, Iowa |
| Surname | Jensen |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Victoria |
| 1935 Residence (County) | Cass |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Victoria |
| Est. Birth Year | ~1905 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Anna Jensen | Daughter | — | 35 | ~1905 |
| Anton Jensen | Head | — | 60 | ~1880 |
| Louise Jensen | Daughter | — | 20 | ~1920 |
| Floyd Jensen | Son | — | 27 | ~1913 |
| Kenneth Jensen | Son | — | 26 | ~1914 |
| Ivan Jensen | Son | — | 33 | ~1907 |
Census Appearances
1920
Cass, Iowa
Daughter, age 15
Cass, Iowa · implied b. ~1905 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Annie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Cass, Iowa
Daughter, age 25
Cass, Iowa · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Cass-County, Iowa
Daughter, age 35
Cass-County, Iowa · implied b. ~1905 — 6 household members
| Surname | Jensen |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Victoria |
| 1935 Residence (County) | Cass |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 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 Anna Jensen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Chris Jensen (~0.92 confidence) and father Anton Jensen (~0.92 confidence) and mother Stine Jensen (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Chris Jensen
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Anton Jensen
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Stine Jensen
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Anna Jensen
Daughter · 1940 · age 35 · b. ~1905 · Iowa
★ You are viewing this record
Sibling
Ivan Jensen
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Jensen
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floyd Jensen
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Jensen
Sibling · 1940 · age 26
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 — Cass-County, Iowa
Open full size
1940 US Federal Census — Cass-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01145-00562)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl Hrouth|Hroush | 31 | Head | Farmer | Iowa |
| 2 | Myrtle Hrouth|Hroush | 30 | Wife | — | Iowa |
| 3 | Robert Hrouth|Hroush | 2 | Son | — | Iowa |
| 4 | Merle Hrouth|Hroush | 37 | Brother | Farmer | Iowa |
| 5 | A. J. Hoyt | 45 | Head | Painter | Iowa |
| 6 | Mary Hoyt | 41 | Wife | — | Iowa |
| 7 | Harold Hoyt | 15 | Son | — | Iowa |
| 8 | Harry Hoyt | 9 | Son | — | Iowa |
| 9 | Anton Jensen | 60 | Head | Farmer | Denmark |
| 10 | Anna Jensen THIS PERSON | 35 | Daughter | — | Iowa |
| 11 | Ivan Jensen | 33 | Son | Farm Labor | Iowa |
| 12 | Floyd Jensen | 27 | Son | Farm Labor | Iowa |
| 13 | Kenneth Jensen | 26 | Son | Farmer | Iowa |
| 14 | Louise Jensen | 20 | Daughter | — | Iowa |
| 15 | O. S. Bellinger | 42 | Head | Farmer | Iowa |
| 16 | Dolores Bellinger | 42 | Wife | — | Iowa |
| 17 | Kenneth Bellinger | 9 | Son | — | Iowa |
| 18 | James Collins | 74 | Head | Farmer | Kentucky |
| 19 | Anna Collins | 63 | Wife | — | Scotland |
| 20 | George Collins | 36 | Son | Farmer | Iowa |
| 21 | John B. Devore | 52 | Head | Farmer | Iowa |
| 22 | Belva Devore | 48 | Wife | — | Iowa |
| 23 | Paul R. Denton | 45 | Head | Farmer | Iowa |
| 24 | Hildred Denton | 36 | Wife | — | Iowa |
| 25 | Donald Denton | 17 | Son | Farm Labor | Minnesota |
| 26 | Virgil Denton | 15 | Son | — | Iowa |
| 27 | Virginia Denton | 13 | Daughter | — | Iowa |
| 28 | Lois Denton | 12 | Daughter | — | Iowa |
| 29 | Norma Denton | 7 | Daughter | — | Iowa |
| 30 | Frank Bernhardt | 48 | Head | Farmer | Iowa |
| 31 | Albert Bernhardt | 53 | Brother | — | Iowa |
| 32 | Lucie Bernhardt | 37 | Sister-in-law | — | Germany |
| 33 | F. P. Clinton | 59 | Head | Farmer | Iowa |
| 34 | Rachel Clinton | 57 | Wife | — | Iowa |
| 35 | Joe Clinton | 24 | Son | Farm Labor | Iowa |
| 36 | Berthia Clinton | 20 | Daughter | — | Iowa |
| 37 | Gladys Brentnall | 27 | Daughter | — | Iowa |
| 38 | A. V. Nelson | 48 | Head | Farmer | Iowa |
| 39 | Gertie Nelson | 45 | Wife | — | Iowa |
| 40 | Pearl Nelson | 24 | Daughter | — | Iowa |
Pedigree Summary
Anna + 4 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)