HH
Harold Hanson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Harold Hanson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Herman & Oscar — first a son (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Hanson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1920 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Harold Hanson | Son | — | 20 | ~1920 |
| Anne Hanson | Daughter | — | 34 | ~1906 |
| Johanna Hanson | Spouse | — | 62 | ~1878 |
| Hazel Hanson | Daughter | — | 24 | ~1916 |
| Oscar Hanson | Head | — | 63 | ~1877 |
Census Appearances
1920
Cook, Illinois
Son, age
Cook, Illinois · implied b. ~1920 — 20 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hanson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 10
Cook, Illinois · implied b. ~1920 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hanson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 20
Cook-County, Illinois · implied b. ~1920 — 5 household members
| Surname | Hanson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Hanson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Herman Hanson (~0.92 confidence) and father Oscar Hanson (~0.92 confidence) and mother Anna Hanson (~0.92 confidence) and mother Johanna Hanson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Herman Hanson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Oscar Hanson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Anna Hanson
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Johanna Hanson
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Hanson
Son · 1940 · age 20 · b. ~1920 · Illinois
★ You are viewing this record
Sibling
Anne Hanson
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Hanson
Sibling · 1940 · age 24
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
19 people indexed on this census page (nara:1940:m-t0627-00999-00915)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John E. Burndahl | 71 | Head | — | Sweden |
| 2 | Hulda A. Burndahl | 74 | Wife | — | Sweden |
| 3 | Ruth Chellman | 46 | Daughter | Of. Office | Illinois |
| 4 | Ralph A. Burndahl | 44 | Son | Fireman | Illinois |
| 5 | Ruben Burndahl | 40 | Son | — | Illinois |
| 6 | Raymond Chellman | 14 | Grandson | — | Illinois |
| 7 | Carl E. Betzien | 66 | Head | — | Michigan |
| 8 | Oscar O. Hanson | 63 | Head | Non Business | Sweden |
| 9 | Johanna Hanson | 62 | Wife | — | Sweden |
| 10 | Anne M. Hanson | 34 | Daughter | Stenographer | Illinois |
| 11 | Hazel Hanson | 24 | Daughter | — | Illinois |
| 12 | Harold Hanson THIS PERSON | 20 | Son | — | Illinois |
| 13 | Emil F. Stubenrauch | 58 | Head | Clerk | Germany |
| 14 | Elizabeth B. Stubenrauch | 58 | Wife | — | Illinois |
| 15 | Edward H. Stubenrauch | 30 | Son | General Work | Illinois |
| 16 | Walter Bauer | 28 | Head | Auto Mechanic | Illinois |
| 17 | Augusta E. Bauer | 28 | Wife | — | Illinois |
| 18 | Henry E. Neumann | 57 | Head | Partner | Germany |
| 19 | Edith E. Neumann | 52 | Wife | — | Illinois |
Related Census Records
Pedigree Summary
Harold + 2 siblings
Gen 1 · 4 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)