WR
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 Henry & Henry — first a son (b.~1905), then head of a 3-person household.
Age 35
b. ~1905
Male
Son
Born: KENTUCKY
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | ROBINSON |
| Given Name | WILLIAM |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | KENTUCKY |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | MACHINIST |
| Industry | WOODWORKING |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1650 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Machinist |
| Township / Ward | Chicago |
| Est. Birth Year | ~1905 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Henry Robinson | Head | — | 58 | ~1882 |
| William Robinson | Son | — | 35 | ~1905 |
| Fannie Robinson | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Cook, Illinois
Son, age 25
Cook, Illinois · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Machine Hand |
| Industry | Street Car Lines |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Cook-County, Illinois
Son, age 35
Cook-County, Illinois · implied b. ~1905 — 3 household members
| Surname | ROBINSON |
| Given Name | WILLIAM |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | KENTUCKY |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | MACHINIST |
| Industry | WOODWORKING |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1650 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Henry Robinson (~0.92 confidence) and father Henry Robinson (~0.92 confidence) and mother Jenny Robinson (~0.92 confidence) and mother Fannie Robinson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Robinson
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Henry Robinson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Jenny Robinson
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Fannie Robinson
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Robinson
Son · 1940 · age 35 · b. ~1905 · 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
39 people indexed on this census page (nara:1940:m-t0627-00933-00522)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jack Gradman | 40 | HEAD | Timekeeper | ILLINOIS |
| 2 | Laura Gradman | 45 | WIFE | — | ILLINOIS |
| 3 | George Hering | 41 | BROTHER IN LAW | Laborer | ILLINOIS |
| 4 | Anna O'Keefe | 30 | LODGER | — | ILLINOIS |
| 5 | Mary Petrick | 50 | HEAD | — | AUSTRIA |
| 6 | Emil Korich | 39 | PARTNER | Chef | AUSTRIA |
| 7 | John Petrick | 24 | SON | Tallyman | AUSTRIA |
| 8 | Julia Petrick | 30 | DAUGHTER IN LAW | Secretary | ILLINOIS |
| 9 | Frances Johnson | 60 | HEAD | — | ILLINOIS |
| 10 | Roman Johnson | 34 | DAUGHTER | Office Boy | ILLINOIS |
| 11 | Fred Johnson | 39 | SON | Clerk | ILLINOIS |
| 12 | Jane Johnson | 22 | DAUGHTER IN LAW | — | INDIANA |
| 13 | Baddy Stanker | 45 | HEAD | — | LITHUANIA |
| 14 | Robert Stanker | 21 | SON | New Worker | NEBRASKA |
| 15 | Florence Stanker | 17 | DAUGHTER | — | ILLINOIS |
| 16 | Kenneth Stanker | 8 | SON | — | ILLINOIS |
| 17 | Edward Robinson | 31 | HEAD | Meter Reader | IOWA |
| 18 | Sadie Robinson | 28 | WIFE | — | ILLINOIS |
| 19 | Edward Robinson | 8 | SON | — | ILLINOIS |
| 20 | Lawrence Robinson | 5 | SON | — | ILLINOIS |
| 21 | Patricia Robinson | 1 | DAUGHTER | — | ILLINOIS |
| 22 | Edward Valle | 43 | HEAD | Salesman | ILLINOIS |
| 23 | Teresa Valle | 41 | WIFE | — | ILLINOIS |
| 24 | Frank Szczecinski | 44 | LODGER | — | ILLINOIS |
| 25 | Bernard Bermes | 44 | HEAD | Salesman | ILLINOIS |
| 26 | Ruth Bermes | 41 | WIFE | — | INDIANA |
| 27 | Jeanette Bermes | 15 | DAUGHTER | — | ILLINOIS |
| 28 | Alvina Bermes | 14 | DAUGHTER | — | ILLINOIS |
| 29 | Bernard Bermes | 9 | SON | — | ILLINOIS |
| 30 | James Divers | 37 | HEAD | Stationary Engineer | SCOTLAND |
| 31 | Ellen Divers | 37 | WIFE | Maid | SCOTLAND |
| 32 | James P. Divers | 14 | SON | — | ILLINOIS |
| 33 | Eileen Divers | 12 | DAUGHTER | — | ILLINOIS |
| 34 | Elizabeth Divers | 11 | DAUGHTER | — | ILLINOIS |
| 35 | Margaret Divers | 19 | SISTER | New Worker | SCOTLAND |
| 36 | Henry Robinson | 58 | HEAD | Machinist | KENTUCKY |
| 37 | Fannie Robinson | 57 | WIFE | — | KENTUCKY |
| 38 | William Robinson THIS PERSON | 35 | SON | Machinist | KENTUCKY |
| 39 | John Quinn | 60 | HEAD | Machinist | INDIANA |
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)