WB
William Brewer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Brewer across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1905), then head of a 7-person household.
Age 35
b. ~1905
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Brewer |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Laborer |
| Industry | Packing Co |
| Class of Worker | PW |
| Income (1939) | 820 |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Corneal Brewer | Son | — | 10 | ~1930 |
| Herman Brewer | Son | — | 7 | ~1933 |
| Jack Brewer | Son | — | 12 | ~1928 |
| William Brewer | Head | — | 35 | ~1905 |
| Harold Brewer | Son | — | 14 | ~1926 |
| William Brewer | Son | — | 16 | ~1924 |
| Gertrude Brewer | Spouse | — | 33 | ~1907 |
Census Appearances
1930
Cook, Illinois
Son, age 20
Cook, Illinois · implied b. ~1910 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brewer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Porter |
| Industry | Shoe shining |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 35
Cook-County, Illinois · implied b. ~1905 — 7 household members
| Surname | Brewer |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Laborer |
| Industry | Packing Co |
| Class of Worker | PW |
| Income (1939) | 820 |
| Highest Grade | 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 Brewer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Brewer
Head · 1940 · age 35 · b. ~1905 · Illinois
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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-t0627-00950-00728)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Konael | 3 | Son | — | Illinois |
| 2 | Mae Marshall | 33 | Head | — | Georgia |
| 3 | John Marshall | 16 | Son | — | Georgia |
| 4 | Rose Gibby | 17 | Sister | — | Georgia |
| 5 | Dena Gibby | 20 | Sister | — | Georgia |
| 6 | William Punske | 57 | Boarder | Carpenter | Holland |
| 7 | James Lydon | 37 | Head | Laborer | Ireland |
| 8 | Catherine Lydon | 44 | Wife | — | Ireland |
| 9 | Mary Lydon | 11 | Daughter | — | Illinois |
| 10 | Kathleen Lydon | 7 | Daughter | — | Illinois |
| 11 | Helen J. Lydon | 5 | Daughter | — | Illinois |
| 12 | Martin Walsh | 37 | Head | Laborer | Ireland |
| 13 | Mary Walsh | 38 | Wife | Waitress | Ireland |
| 14 | Nellie Hathaway | 59 | Head | — | Ohio |
| 15 | Mary Hathaway | 38 | Son | — | Illinois |
| 16 | Joseph Hathaway | 25 | Daughter | Guard | Illinois |
| 17 | William Brewer THIS PERSON | 35 | Head | Laborer | Illinois |
| 18 | Gertrude Brewer | 33 | Wife | — | Illinois |
| 19 | William Brewer | 16 | Son | — | Illinois |
| 20 | Harold Brewer | 14 | Son | — | Illinois |
| 21 | Jack Brewer | 12 | Son | — | Illinois |
| 22 | Corneal Brewer | 10 | Son | — | Illinois |
| 23 | Herman Brewer | 7 | Son | — | Illinois |
| 24 | Casper Lauer Jr. | 25 | Head | Bartender | Illinois |
| 25 | Charlotte Lauer Jr. | 21 | Wife | — | Illinois |
| 26 | James E. Lauer Jr. | 2 | Son | — | Illinois |
| 27 | Jack Lauer Jr. | 0 | Son | — | Illinois |
| 28 | Emmet Lyman | 36 | Head | Wagon Driver | Illinois |
| 29 | Laverne Lyman | 14 | Daughter | — | Illinois |
| 30 | Patricia Lyman | 12 | Daughter | — | Illinois |
| 31 | John Lyman | 11 | Son | — | Illinois |
| 32 | Robert Lyman | 8 | Son | — | Illinois |
| 33 | Florence Lyman | 5 | Daughter | — | Illinois |
| 34 | Beverly J. Lyman | 3 | Daughter | — | Illinois |
| 35 | Margaret D'Amico | 35 | Head | — | Illinois |
| 36 | Thomas D'Amico | 11 | Son | — | Illinois |
| 37 | Rita D'Amico | 10 | Daughter | — | Illinois |
| 38 | Noreen D'Amico | 8 | Daughter | — | New York |
| 39 | William Lawlor | 28 | Head | Tallyman | Ireland |
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)