JW
Jack Wilson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Jack Wilson across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 7-person household.
Age 14
b. ~1926
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Wilson |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1926 |
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 Jack | Age | Birth yr |
|---|---|---|---|---|
| Jack Wilson | Son | — | 14 | ~1926 |
| Walter Wilson | Head | — | 57 | ~1883 |
| Mary Wilson | Daughter | — | 11 | ~1929 |
| Nellie Wilson | Daughter | — | 7 | ~1933 |
| Ruth Wilson | Daughter | — | 16 | ~1924 |
| Lena Wilson | Spouse | — | 50 | ~1890 |
| Ralph Wilson | Son | — | 19 | ~1921 |
Census Appearances
1930
Cook, Illinois
Other, age 4
Cook, Illinois · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Jack S. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Russia |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 14
Cook-County, Illinois · implied b. ~1926 — 7 household members
| Surname | Wilson |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 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 Jack Wilson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Wilson
Son · 1940 · age 14 · b. ~1926 · Illinois
★ You are viewing this record
Sibling
Ralph Wilson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Wilson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Wilson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Wilson
Sibling · 1940 · age 16
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-t0627-00990-00375)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Kacnarczyk | 25 | Son | Sander | Michigan |
| 42 | Edward Kacnarczyk | 23 | Son | Sander | Michigan |
| 43 | Alex Kacnarczyk | 20 | Son | Delivery Boy | Michigan |
| 44 | Evelyn Kacnarczyk | 11 | Daughter | — | Michigan |
| 45 | Michael Kutchman | 55 | Head | Assembler | Germany |
| 46 | Minnie Kutchman | 41 | Wife | — | Illinois |
| 47 | George Kutchman | 20 | Son | Buffer | Illinois |
| 48 | Alice Kutchman | 18 | Daughter | — | Illinois |
| 49 | Dorothy Kutchman | 16 | Daughter | — | Illinois |
| 50 | Robert Kutchman | 14 | Son | — | Illinois |
| 51 | Fred Lentz | 33 | Head | Upholstering | Germany |
| 52 | Estell Lentz | 35 | Wife | — | Illinois |
| 53 | Shirley Hansen | 15 | Daughter | — | Illinois |
| 54 | Edgar Hansen | 12 | Son | — | Illinois |
| 55 | Walter Wilson | 57 | Head | Maintenance Man | Arkansas |
| 56 | Lena Wilson | 50 | Wife | — | Indiana |
| 57 | Ralph Wilson | 19 | Son | Army Overhead Office | Illinois |
| 58 | Ruth Wilson | 16 | Daughter | — | Illinois |
| 59 | Jack Wilson THIS PERSON | 14 | Son | — | Illinois |
| 60 | Mary Wilson | 11 | Daughter | — | Illinois |
| 61 | Nellie Wilson | 7 | Daughter | — | Illinois |
| 62 | Steve Trzaskowski | 57 | Head | Paint Sprayer | Poland |
| 63 | Henry Trzaskowski | 14 | Son | — | Illinois |
| 64 | Joseph Trzaskowski | 11 | Son | — | Illinois |
| 65 | Joseph Harala | 44 | Head | Tailor Off Pressing | Poland |
| 66 | Mary Harala | 40 | Wife | Sewing Machine Operator | Poland |
| 67 | Joseph Jr Harala | 17 | Son | — | Illinois |
| 68 | Marion Harala | 16 | Son | Plating Man | Illinois |
| 69 | Adeline Harala | 14 | Daughter | — | Illinois |
| 70 | Eugene Harala | 13 | Son | — | Illinois |
| 71 | Edward Harala | 11 | Son | — | Illinois |
| 72 | Lorraine Harala | 10 | Daughter | — | Illinois |
| 73 | Charles Harala | 6 | Son | — | Illinois |
| 74 | Frank Harala | 4 | Son | — | Wisconsin |
| 75 | Joseph Grace | 62 | Head | Stock Man | Illinois |
| 76 | Elizabeth Grace | 62 | Wife | — | Illinois |
| 77 | Mary L. Grace | 31 | Daughter | Grammar School Teacher | Illinois |
| 78 | Joseph A. Grace | 20 | Son | Errand Boy | Illinois |
| 79 | August Steinmetz | 69 | Head | Iron Assembler | Illinois |
| 80 | Anna Steinmetz | 69 | Wife | — | Indiana |
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)