HH
Harold Hansen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Linn-County, Iowa
Our Model Tree links this Harold Hansen across the 1920, 1930 and 1940 US Censuses in Linn-County, Iowa (XGBoost, ~Confirmed), with identified parents Peter & Peter — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Iowa |
| Surname | Hansen |
| Given Name | Harold |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Cedar Rapids |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Occupation | Woodchopper |
| Industry | Soil Erosion |
| Class of Worker | GW |
| Hours Worked | 75 |
| Income (1939) | 250 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Woodchopper |
| Township / Ward | Cedar Rapids |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Marvin Hansen | Son | — | 27 | ~1913 |
| Peter Hansen | Head | — | 57 | ~1883 |
| Bessie Hansen | Spouse | — | 57 | ~1883 |
| Dorothy Hansen | Daughter | — | 1 | ~1939 |
| Harold Hansen | Son | — | 21 | ~1919 |
| Marie Hansen | Daughter | — | 15 | ~1925 |
| Margaret Hansen | Other | — | 20 | ~1920 |
Census Appearances
1920
Linn, Iowa
Son, age 1
Linn, Iowa · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Harold |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Linn, Iowa
Son, age 11
Linn, Iowa · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Harold 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 |
| Occupation | Newsboy |
| Industry | Newspaper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Linn-County, Iowa
Son, age 21
Linn-County, Iowa · implied b. ~1919 — 7 household members
| Surname | Hansen |
| Given Name | Harold |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Cedar Rapids |
| 1935 Residence (County) | Linn |
| Occupation | Woodchopper |
| Industry | Soil Erosion |
| Class of Worker | GW |
| Hours Worked | 75 |
| Income (1939) | 250 |
| Highest Grade | Hs 4 |
| 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 Harold Hansen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Hansen (~0.92 confidence) and father Peter Hansen (~0.92 confidence) and father Peter Hansen (~0.92 confidence) and mother Bessie Hansen (~0.92 confidence) and mother Bessie Hansen (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Hansen
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Peter Hansen
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Peter Hansen
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Bessie Hansen
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Bessie Hansen
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Hansen
Son · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Marie Hansen
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Hansen
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Hansen
Sibling · 1940 · age 1
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 — Linn-County, Iowa
Open full size
1940 US Federal Census — Linn-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01177-00208)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elaine Sindelar | 19 | daughter | Packer | Iowa |
| 2 | Phyllis Sindelar | 13 | daughter | — | Iowa |
| 3 | Joseph Sindelar | 9 | son | — | Illinois |
| 4 | Glenn W. Downing | 53 | Head | Laborer | Iowa |
| 5 | Clara Downing | 36 | wife | Bookkeeper | Iowa |
| 6 | Glenn Jr. Downing | 8 | son | — | Iowa |
| 7 | Anna L. Cook | 70 | Head | — | Germany |
| 8 | William Baumgartner | 45 | Head | Water Operator | New Jersey |
| 9 | Clara Baumgartner | 47 | wife | — | Iowa |
| 10 | Edwin Baumgartner | 18 | son | — | Iowa |
| 11 | Carl Baumgartner | 7 | son | — | Iowa |
| 12 | Evelyn Baumgartner | 23 | daughter | — | Iowa |
| 14 | Phil Smith | 35 | Head | Truck Driver | Wisconsin |
| 15 | Lucille A. Smith | 29 | wife | Beauty Operator | Iowa |
| 16 | Hadlicka Joyce Ann Smith | 9 | stepdaughter | — | Iowa |
| 17 | Charlotte Morehouse | 67 | Head | Housework | Iowa |
| 18 | Louis Kimes | 60 | Head | Sugar Presser | Iowa |
| 19 | Mary Kimes | 54 | wife | — | Iowa |
| 20 | Chris Werner | 50 | Head | Owner | Nebraska |
| 21 | Hilda Werner | 49 | wife | — | Iowa |
| 22 | Paul Werner | 21 | son | Apprentice | Iowa |
| 23 | Peter F. Hansen | 57 | Head | Carpenter | Iowa |
| 24 | Bessie Hansen | 57 | wife | — | Iowa |
| 25 | Harold Hansen THIS PERSON | 21 | son | Woodchopper | Iowa |
| 26 | Marie Hansen | 15 | daughter | — | Iowa |
| 27 | Marvin Hansen | 27 | son | Station Attendant | Iowa |
| 28 | Margaret Hansen | 20 | daughter-in-law | — | Iowa |
| 29 | Dorothy Hansen | 1 | daughter | — | Iowa |
| 30 | Benjamin Froman | 42 | Head | Machinist | Illinois |
| 31 | Olive Froman | 37 | wife | — | Iowa |
| 32 | Elizabeth Froman | 12 | daughter | — | Iowa |
| 33 | Bertha Marshall | 60 | mother-in-law | — | Germany |
| 34 | Carl H. Euken | 40 | Head | Plumber | Iowa |
| 35 | Adella Euken | 37 | wife | — | Iowa |
| 36 | William Schultz | 69 | brother-in-law | — | Iowa |
| 37 | Clarence Radke | 43 | Head | Machinist | Iowa |
| 38 | Lillian Radke | 43 | wife | — | Iowa |
| 39 | Kenneth Radke | 17 | son | — | Iowa |
| 40 | Betty Radke | 14 | daughter | — | Iowa |
Pedigree Summary
Harold + 3 siblings
Gen 1 · 5 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)