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William Robinson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Robinson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents William & William — first a head (b.~1901), then head of a 11-person household.
Age 39
b. ~1901
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Robinson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Machinist |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1750 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Machinist |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1901 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Hazel Robinson | Daughter | — | 14 | ~1926 |
| William Robinson | Head | — | 39 | ~1901 |
| John Shelley | Other | — | 4 | ~1936 |
| Frank Shelley | Other | — | 24 | ~1916 |
| Celeste Shelley | Other | — | ~1940 | |
| Charles Topel | Other | — | 30 | ~1910 |
| Celeste Shelley | Other | — | 24 | ~1916 |
| Eileen Shelley | Other | — | 2 | ~1938 |
| Henry Topel | Other | — | 35 | ~1905 |
| Theodore Robinson | Son | — | 9 | ~1931 |
| Marie Robinson | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Cook, Illinois
Son, age 19
Cook, Illinois · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 29
Cook, Illinois · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | William S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Occupation | Asst. Cashier |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 39
Cook-County, Illinois · implied b. ~1901 — 11 household members
| Surname | Robinson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Machinist |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1750 |
| Highest Grade | No 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 William Robinson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Robinson (~0.92 confidence) and father William Robinson (~0.92 confidence) and mother Josephine Robinson (~0.92 confidence) and mother Minnie Robinson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Robinson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
William Robinson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Josephine Robinson
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Minnie Robinson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Robinson
Head · 1940 · age 39 · b. ~1901 · Illinois
★ You are viewing this record
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-t0627-00954-00399)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Sabbtoy | 32 | Lodger | Salesman | Illinois |
| 2 | Delores Sabbtoy | 25 | Wife | — | Illinois |
| 3 | William Robinson THIS PERSON | 39 | Head | Machinist | Illinois |
| 4 | Marie Robinson | 37 | Wife | — | Illinois |
| 5 | Hazel Robinson | 14 | Daughter | — | Illinois |
| 6 | Theodore Robinson | 9 | Son | — | Illinois |
| 7 | Henry Topel | 35 | Brother-in-law | Painter | Illinois |
| 8 | Charles Topel | 30 | Brother-in-law | Painter | Illinois |
| 9 | Frank Shelley | 24 | Nephew | Paper Handler | Illinois |
| 10 | Celeste Shelley | 24 | Niece | — | Illinois |
| 11 | John Shelley | 4 | Grandnephew | — | Illinois |
| 12 | Eileen Shelley | 2 | Grandniece | — | Illinois |
| 13 | Celeste Shelley | 0 | Grandniece | — | Illinois |
| 14 | James Porter | 47 | Head | Cattle Counter | Illinois |
| 15 | Josephine Porter | 45 | Wife | — | Illinois |
| 16 | James Jr. Porter | 22 | Son | Truck Helper | Illinois |
| 17 | Daniel Porter | 17 | Son | Truck Helper | Illinois |
| 18 | Raymond Porter | 15 | Son | — | Illinois |
| 19 | Thomas Porter | 13 | Son | — | Illinois |
| 20 | Loretta Porter | 2 | Daughter | — | Illinois |
| 21 | Mary Bahn | 36 | Head | — | Illinois |
| 22 | Dorothy Bahn | 17 | Daughter | — | Illinois |
| 23 | Harry Bahn | 15 | Son | — | Illinois |
| 24 | Juanita Bahn | 14 | Daughter | — | Illinois |
| 25 | Malcolm Bahn | 12 | Son | — | Illinois |
| 26 | May Bahn | 11 | Daughter | — | Illinois |
| 27 | Barbara Bahn | 7 | Daughter | — | Illinois |
| 28 | Michael Cunningham | 55 | Head | Laborer | Ireland |
| 29 | Mary Cunningham | 54 | Wife | — | Ireland |
| 30 | Mary Cunningham | 19 | Daughter | Asst Chemist | Illinois |
| 31 | Irene Cunningham | 18 | Daughter | — | Illinois |
| 32 | Anna Cunningham | 15 | Daughter | — | Illinois |
| 33 | Edward Fairclough | 42 | Head | Truck Driver | Illinois |
| 34 | Sarah Fairclough | 42 | Wife | — | Illinois |
| 35 | Edward Fairclough | 21 | Son | Bell Boy | Illinois |
| 36 | Robert Fairclough | 17 | Son | Shipping Clerk | Illinois |
| 37 | Richard Fairclough | 15 | Son | — | Illinois |
| 38 | William Mainsworth | 40 | Head | Engraver | England |
| 39 | Margaret Mainsworth | 41 | Wife | — | Minnesota |
| 40 | Helen Mainsworth | 19 | Daughter | New Worker | Illinois |
Pedigree Summary
William
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)