AH
Arthur Hansen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Audubon-County, Iowa
Our Model Tree links this Arthur Hansen across the 1920, 1930 and 1940 US Censuses in Audubon-County, Iowa (XGBoost, ~Confirmed), with identified parents Walter & Catherine — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Audubon-County, Iowa |
| Surname | Hansen |
| Given Name | Arthur H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Oakfield |
| Additional Details | |
| Occupation | Farm helper |
| Industry | At Home |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Helper |
| Township / Ward | Oakfield |
| Est. Birth Year | ~1919 |
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 Arthur | Age | Birth yr |
|---|---|---|---|---|
| Merlyn Hansen | Son | — | 15 | ~1925 |
| Elmer Hansen | Son | — | 23 | ~1917 |
| Walter Hansen | Head | — | 54 | ~1886 |
| Katharine Hansen | Spouse | — | 46 | ~1894 |
| Arthur Hansen | Son | — | 21 | ~1919 |
Census Appearances
1920
Audubon, Iowa
Son, age 1
Audubon, Iowa · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Audubon, Iowa
Son, age 11
Audubon, Iowa · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Arthur H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Audubon-County, Iowa
Son, age 21
Audubon-County, Iowa · implied b. ~1919 — 5 household members
| Surname | Hansen |
| Given Name | Arthur H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Oakfield |
| Occupation | Farm helper |
| Industry | At Home |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 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 Arthur Hansen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Hansen (~0.92 confidence) and mother Catherine Hansen (~0.92 confidence) and mother Katharine Hansen (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Hansen
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Catherine Hansen
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Katharine Hansen
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Hansen
Son · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Elmer Hansen
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merlyn Hansen
Sibling · 1940 · age 15
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 — Audubon-County, Iowa
Open full size
1940 US Federal Census — Audubon-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01137-01021)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ted O. Lange | 40 | Head | Farming | Iowa |
| 42 | Thelma Lange | 28 | Wife | — | Iowa |
| 43 | Marvin Lange | 5 | Son | — | Iowa |
| 44 | Leo A. Mardensen | 32 | Head | Farming | Iowa |
| 45 | Mildred Mardensen | 30 | Wife | — | Iowa |
| 46 | Ross Mardensen | 2 | Son | — | Iowa |
| 47 | Elmer E. Gady | 36 | Head | Farming | Iowa |
| 48 | Dagney Gady | 34 | Wife | Farming | Iowa |
| 49 | Arnold Gady | 15 | Son | — | Iowa |
| 50 | Betty Gady | 13 | Daughter | — | Iowa |
| 51 | Jerry Gady | 9 | Son | — | Iowa |
| 52 | Raymond Clausen | 27 | Head | Farming | Iowa |
| 53 | Clinton Jensen | 23 | Brother-in-law | Hired Man | Iowa |
| 54 | Lydia Clausen | 22 | Sister | — | Iowa |
| 55 | Walter O. Hansen | 54 | Head | Farming | Iowa |
| 56 | Katharine Hansen | 46 | Wife | — | Iowa |
| 57 | Elmer N. Hansen | 23 | Son | Farm Helper | Iowa |
| 58 | Arthur H. Hansen THIS PERSON | 21 | Son | Farm Helper | Iowa |
| 59 | Merlyn W. Hansen | 15 | Son | — | Iowa |
| 60 | Chris Rasmussen | 47 | Head | Farming | Denmark |
| 61 | Kristena Rasmussen | 70 | Mother | — | Denmark |
| 62 | Dagmar Rasmussen | 34 | Sister | — | Denmark |
| 63 | Alice Rasmussen | 2 | Niece | — | Iowa |
| 64 | Theodore Kundan | 36 | Head | Farming | Iowa |
| 65 | Pearl Kundan | 37 | Wife | — | Iowa |
| 66 | Norma Kundan | 16 | Daughter | — | Iowa |
| 67 | Rosalyn Kundan | 13 | Daughter | — | Iowa |
| 68 | Harriet Kundan | 8 | Daughter | — | Iowa |
| 69 | Jens P. Jensen | 48 | Head | Farming | Denmark |
| 70 | Johanne Jensen | 38 | Wife | Farming | Denmark |
| 71 | Annabell Jensen | 14 | Daughter | — | Iowa |
| 72 | Rosa May Jensen | 8 | Daughter | — | Iowa |
| 73 | Hjalmar B. Lykke | 48 | Head | Farming | Iowa |
| 74 | Ida Mae Lykke | 29 | Wife | — | Iowa |
| 75 | Gordon Lykke | 23 | Son | Farm Help | Iowa |
| 76 | Patricia Lykke | 2 | Daughter | — | Iowa |
| 77 | Lloyd Summers | 10 | Boarder | — | Iowa |
| 78 | Ben O. Strotman | 45 | Head | Farming | Nebraska |
| 79 | Beulah May Strotman | 38 | Wife | — | Missouri |
| 80 | Thurlow Strotman | 16 | Son | — | Nebraska |
Pedigree Summary
Arthur + 2 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)