JH
James Hansen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Hansen across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Hansen |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Oak Park village |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Oak Park Village |
| Est. Birth Year | ~1930 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Anthony Hansen | Son | — | 8 | ~1932 |
| James Hansen | Son | — | 10 | ~1930 |
| Robert Hansen | Son | — | 12 | ~1928 |
| Alice Hansen | Daughter | — | 16 | ~1924 |
| Loretta Hansen | Spouse | — | 38 | ~1902 |
| Jack Hansen | Son | — | 18 | ~1922 |
| Anthony Hansen | Head | — | 40 | ~1900 |
| Rosemary Hansen | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Cook, Illinois
Son, age
Cook, Illinois · implied b. ~1930 — 15 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Norway |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 10
Cook-County, Illinois · implied b. ~1930 — 8 household members
| Surname | Hansen |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Oak Park village |
| 1935 Residence (County) | Cook |
| Highest Grade | 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 James Hansen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Hansen
Son · 1940 · age 10 · b. ~1930 · Illinois
★ You are viewing this record
Sibling
Rosemary Hansen
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Hansen
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anthony Hansen
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Hansen
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Hansen
Sibling · 1940 · age 12
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-t0627-00786-00108)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles D Fitzgerald | 39 | Head | Meter Checker | Illinois |
| 2 | Mary M Fitzgerald | 32 | Wife | Mechanical Engineer | Illinois |
| 3 | Paul A Fitzgerald | 28 | Son | — | Illinois |
| 4 | Ruth H Fitzgerald | 26 | Daughter | — | Illinois |
| 5 | Kenneth A Fitzgerald | 25 | Son | Stenographer | Illinois |
| 6 | Albert E Marschops | 59 | Head | Railroad Engineer | Illinois |
| 7 | Amelia M Marschops | 56 | Wife | Seamstress | Germany |
| 8 | Raymond Marschops | 30 | Son | Broker | Illinois |
| 9 | Albert L Van De Meule | 46 | Head | Carpet Layer | Belgium |
| 10 | Barbara D Van De Meule | 42 | Wife | — | Illinois |
| 11 | Albert L Jr. Van De Meule | 8 | Son | — | Illinois |
| 12 | Joan L Van De Meule | 6 | Daughter | — | Illinois |
| 13 | William J Van De Meule | 5 | Son | — | Illinois |
| 14 | Richard J Van De Meule | 4 | Son | — | Illinois |
| 15 | Anna G Wood | 58 | Head | Laboratory Technician | Wisconsin |
| 16 | Jerome J Wood | 64 | Brother | Manager | Wisconsin |
| 17 | Katherine M Wood | 62 | Sister | — | Wisconsin |
| 18 | Aaron Vinger | 40 | Head | Chef | New York |
| 19 | Esther Vinger | 39 | Wife | Waitress | Illinois |
| 20 | Elaine Vinger | 15 | Daughter | — | Illinois |
| 21 | Irwin Vinger | 12 | Son | — | Illinois |
| 22 | Bennett Feldman | 76 | Uncle in law | — | Russia |
| 23 | Theresa Feldman | 73 | Aunt in law | — | Illinois |
| 24 | Bertha Fisher | 66 | Sister in law | — | Tennessee |
| 25 | William D Creus | 29 | Head | Electrician | Nebraska |
| 26 | Gladys Creus | 29 | Wife | — | Kansas |
| 27 | Constance Creus | 3 | Daughter | — | Nebraska |
| 28 | Ignac Potocar | 44 | Head | Janitor | Austria |
| 29 | Katherine Potocar | 51 | Wife | — | Irish Free State |
| 30 | Margaret Burke | 37 | Lodger | Sales Clerk | Illinois |
| 31 | Eileen Burke | 15 | Lodger's daughter | — | Illinois |
| 32 | Eleanor Burke | 14 | Lodger's daughter | — | Illinois |
| 33 | Anthony B Hansen | 40 | Head | Fireman | Illinois |
| 34 | Loretta K Hansen | 38 | Wife | — | Illinois |
| 35 | Jack Hansen | 18 | Son | — | Illinois |
| 36 | Alice Hansen | 16 | Daughter | — | Illinois |
| 37 | Rosemary Hansen | 15 | Daughter | — | Illinois |
| 38 | Robert Hansen | 12 | Son | — | Illinois |
| 39 | James Hansen THIS PERSON | 10 | Son | — | Illinois |
| 40 | Anthony Hansen | 8 | Son | — | Illinois |
Related Census Records
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)