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Peter Hansen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pottawattamie-County, Iowa
Our Model Tree links this Peter Hansen across the 1920, 1930 and 1940 US Censuses in Pottawattamie-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 5-person household.
Age 59
b. ~1881
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pottawattamie-County, Iowa |
| Surname | Hansen |
| Given Name | Peter L. O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Boomer Twp |
| 1935 Residence (County) | Pottawattamie |
| Additional Details | |
| Occupation | Farmer |
| Industry | on Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Boomer Twp |
| Est. Birth Year | ~1881 |
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 Peter | Age | Birth yr |
|---|---|---|---|---|
| Peter Hansen | Head | — | 59 | ~1881 |
| Ruth Hansen | Daughter | — | 26 | ~1914 |
| Florence Hansen | Daughter | — | 16 | ~1924 |
| Chris Nelsen | Other | — | 55 | ~1885 |
| Anna Hansen | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Pottawattamie, Iowa
Head, age 38
Pottawattamie, Iowa · implied b. ~1882 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Peter M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Year of Naturalization | R |
| Birthplace (normalized) | iowa |
1930
Pottawattamie, Iowa
Head, age 49
Pottawattamie, Iowa · implied b. ~1881 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hanson |
| Given Name | Peter W F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 23 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | no |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Pottawattamie-County, Iowa
Head, age 59
Pottawattamie-County, Iowa · implied b. ~1881 — 5 household members
| Surname | Hansen |
| Given Name | Peter L. O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Boomer Twp |
| 1935 Residence (County) | Pottawattamie |
| Occupation | Farmer |
| Industry | on Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Peter Hansen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Peter Hansen
Head · 1940 · age 59 · b. ~1881 · Iowa
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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 — Pottawattamie-County, Iowa
Open full size
1940 US Federal Census — Pottawattamie-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01198-00058)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henry E. Peterson | 31 | Head | Farmer | Iowa |
| 42 | Irene L. Peterson | 30 | Wife | — | Iowa |
| 43 | Rose Ann Peterson | 7 | Daughter | — | Iowa |
| 44 | Delores June Peterson | 3 | Daughter | — | Iowa |
| 45 | Sally Jean Peterson | 0 | Daughter | — | Iowa |
| 46 | Lorenzo O. Lowe | 67 | Head | Farmer | Iowa |
| 47 | Sharlet Lowe | 71 | Wife | — | Iowa |
| 48 | Frederick H. Perish | 54 | Head | Farmer | Nebr. |
| 49 | Ernestine Perish | 58 | Wife | — | Germany |
| 50 | Dorothy M. Perish | 18 | Daughter | House Work | Iowa |
| 51 | Evelyn M. Perish | 16 | Daughter | — | Iowa |
| 52 | Raymond M. Hansen | 28 | Head | Farmer | Iowa |
| 53 | Esther M. Q. Hansen | 27 | Wife | — | Iowa |
| 54 | Dale L. Hansen | 5 | Son | — | Iowa |
| 55 | Peter L. O. Hansen THIS PERSON | 59 | Head | Farmer | Iowa |
| 56 | Anna S. Hansen | 53 | Wife | — | Iowa |
| 57 | Ruth L. Hansen | 26 | Daughter | — | Iowa |
| 58 | Florence M. Hansen | 16 | Daughter | — | Iowa |
| 59 | Chris Nelsen | 55 | Hired Hand | Farm Labor | Nebr. |
| 60 | Freeman L. Word | 40 | Head | Farmer | Iowa |
| 61 | Hazel R. Word | 40 | Wife | — | Iowa |
| 62 | Marvin L. Word | 15 | Son | — | Iowa |
| 63 | John F. Word | 13 | Son | — | Iowa |
| 64 | James Moffatt | 19 | Hired Hand | Labor | Iowa |
| 65 | Everett L. Smith | 24 | Head | Farmer | Iowa |
| 66 | Bernice H. Smith | 19 | Wife | — | Iowa |
| 67 | Gary L. Smith | 1 | Son | — | Cal. |
| 68 | Marvin O. Driver | 33 | Head | Farmer | Iowa |
| 69 | Lucille V. Driver | 27 | Wife | — | Iowa |
| 70 | William A. Smith | 52 | Head | Farmer | Iowa |
| 71 | Julia M. Smith | 48 | Wife | — | Iowa |
| 72 | Peter Jessen | 59 | Head | Farmer | Iowa |
| 73 | Nettie Jessen | 60 | Wife | — | Iowa |
| 74 | Neil J. Jessen | 30 | Son | Farmer | Iowa |
| 75 | Lynn F. Jessen | 27 | Son | Farmer | Iowa |
| 76 | Emily M. Jessen | 19 | Daughter | — | Iowa |
| 77 | Ione J. Jessen | 16 | Daughter | — | Iowa |
| 78 | Ilo Jessen | 14 | Daughter | — | Iowa |
| 79 | Ellis V. Jessen | 33 | Head | Farmer | Iowa |
| 80 | Max M. Jessen | 31 | Brother | Farm | 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)