HH
Harold Hansen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Harold Hansen across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Hans & Hans — first a son (b.~1914), then head of a 6-person household.
Age 26
b. ~1914
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Hansen |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Gold Buyer |
| Industry | Dee Co. Old Gold |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1010 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Gold Buyer |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1914 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Lillian Hansen | Daughter | — | 24 | ~1916 |
| Gilbert Hansen | Son | — | 19 | ~1921 |
| Hans Hansen | Head | — | 53 | ~1887 |
| Gunda Hansen | Spouse | — | 53 | ~1887 |
| Harold Hansen | Son | — | 26 | ~1914 |
| Ruth Hansen | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Cook, Illinois
Son, age 5
Cook, Illinois · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| 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 16
Cook, Illinois · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| 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 26
Cook-County, Illinois · implied b. ~1914 — 6 household members
| Surname | Hansen |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Gold Buyer |
| Industry | Dee Co. Old Gold |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1010 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Hansen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hans Hansen (~0.92 confidence) and father Hans Hansen (~0.92 confidence) and father Oscar Hansen (~0.92 confidence) and mother Christina Hansen (~0.92 confidence) and mother Gerda Hansen (~0.92 confidence) and mother Gunda Hansen (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hans Hansen
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Hans Hansen
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Oscar Hansen
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Christina Hansen
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Gerda Hansen
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Gunda Hansen
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Hansen
Son · 1940 · age 26 · b. ~1914 · Illinois
★ You are viewing this record
Sibling
Ruth Hansen
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Hansen
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Hansen
Sibling · 1940 · age 19
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
40 people indexed on this census page (nara:1940:m-t0627-00989-00888)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Esther Johnson | 23 | Daughter | Stenographer | Illinois |
| 42 | Robert Johnson | 21 | Son | Shipping Dept | Illinois |
| 43 | Hans Hansen | 53 | Head | Proprietor | Norway |
| 44 | Gunda Hansen | 53 | Wife | — | Norway |
| 45 | Harold Hansen THIS PERSON | 26 | Son | Gold Buyer | Illinois |
| 46 | Lillian Hansen | 24 | Daughter | Office Clerk | Illinois |
| 47 | Ruth Hansen | 21 | Daughter | Office Clerk | Wisconsin |
| 48 | Gilbert Hansen | 19 | Son | Truck Helper | Wisconsin |
| 49 | Martin Voise | 46 | Head | Agent Insurance | Oklahoma |
| 50 | Bertha D. Voise | 48 | Wife | — | Missouri |
| 51 | Helen Voise | 21 | Daughter | Clerk In Office | Oklahoma |
| 52 | Martin Jr. Voise | 17 | Son | — | Oklahoma |
| 53 | Gladys Voise | 15 | Daughter | — | Oklahoma |
| 54 | Berton Voise | 11 | Son | — | Illinois |
| 55 | John Stack | 35 | Head | Elevator Operator | Illinois |
| 56 | Catherine Stack | 32 | Wife | — | Ireland |
| 57 | Thomas Meylan | 33 | Head | Trucker | Montana |
| 58 | Hanna Meylan | 31 | Wife | — | Ireland |
| 59 | Mary Meylan | 5 | Daughter | — | Illinois |
| 60 | Betty Meylan | 3 | Daughter | — | Illinois |
| 61 | James Rochford | 53 | Head | Police Officer | Ireland |
| 62 | Ellen Rochford | 45 | Wife | — | Illinois |
| 63 | Eleanor Rochford | 23 | Dau. | Stenographer | Illinois |
| 64 | Mary E. Rochford | 21 | Dau. | Stenographer | Illinois |
| 65 | James Jr. Rochford | 18 | Son | Factory Hand | Illinois |
| 66 | Richard Rochford | 16 | Son | — | Illinois |
| 67 | Mary Rochford | 14 | Dau. | — | Illinois |
| 68 | Margaret Hennessy | 65 | Head | — | Illinois |
| 69 | Mary Meyer | 63 | Head | — | Hungary |
| 70 | Edward Trapp | 39 | Lodger | Proprietor | Illinois |
| 71 | Beatrice Trapp | 29 | Lodger | — | Oklahoma |
| 72 | Albert J. Stebbs | 56 | Head | Printer Helper | Illinois |
| 73 | Emma Stebbs | 47 | Wife | — | Illinois |
| 74 | Jack Stebbs | 23 | Son | Errand Boy | Illinois |
| 75 | Lillian Stebbs | 17 | Daughter | Stenographer | Indiana |
| 76 | John Broggi | 29 | Head | Truck Driver | Illinois |
| 77 | Anna Broggi | 24 | Wife | — | Illinois |
| 78 | Joanna Broggi | 3 | Daughter | — | Illinois |
| 79 | Charles R. Mcgill | 38 | Head | Fireman | Illinois |
| 80 | Rosemarie Mcgill | 31 | Wife | — | Illinois |
Pedigree Summary
Harold + 3 siblings
Gen 1 · 6 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)