HB
Harry Brooks — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Harry Brooks across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 9-person household.
Age 46
b. ~1894
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Brooks |
| Given Name | Harry F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Laborer |
| Industry | Sewage W.P.A. Construction |
| Class of Worker | GW |
| Hours Worked | 29 |
| Income (1939) | 958 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Laborer |
| Township / Ward | Chicago |
| Est. Birth Year | ~1894 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Brooks | Head | — | 46 | ~1894 |
| Duane Brooks | Son | — | 13 | ~1927 |
| Margaret Brooks | Daughter | — | 12 | ~1928 |
| Lucille Brooks | Daughter | — | 17 | ~1923 |
| Ronald Brooks | Son | — | 5 | ~1935 |
| Julia Brooks | Spouse | — | 34 | ~1906 |
| Burton Brooks | Son | — | 11 | ~1929 |
| Betty Brooks | Daughter | — | 9 | ~1931 |
| Harry Brooks | Son | — | 15 | ~1925 |
Census Appearances
1930
Cook, Illinois
Head, age 37
Cook, Illinois · implied b. ~1893 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 27 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | Laborer |
| Industry | Packing House 8817 |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Cook-County, Illinois
Head, age 46
Cook-County, Illinois · implied b. ~1894 — 9 household members
| Surname | Brooks |
| Given Name | Harry F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Laborer |
| Industry | Sewage W.P.A. Construction |
| Class of Worker | GW |
| Hours Worked | 29 |
| Income (1939) | 958 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Harry Brooks across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Brooks
Head · 1940 · age 46 · b. ~1894 · 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
40 people indexed on this census page (nara:1940:m-t0627-00929-00366)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Samuel Singer | 71 | Head | — | Russia |
| 42 | Joseph Singer | 19 | Son | Shipping Clerk | Pennsylvania |
| 43 | Otto Langman | 60 | Head | — | Germany |
| 44 | Lawrence Thorpe | 34 | Head | Houseman | Illinois |
| 45 | Olga Thorpe | 40 | Wife | — | Illinois |
| 46 | Lawrence Jr. Thorpe | 16 | Son | — | Illinois |
| 47 | Phyllis Thorpe | 13 | daughter | — | Michigan |
| 48 | Joanne Thorpe | 12 | daughter | — | Illinois |
| 49 | Robert Thorpe | 9 | son | — | Illinois |
| 50 | Billy Dan Thorpe | 6 | son | — | Illinois |
| 51 | Madonna Thorpe | 3 | daughter | — | Illinois |
| 52 | David Thorpe | 1 | son | — | Illinois |
| 53 | John Williams | 43 | Head | Control Clerk | Illinois |
| 54 | Myrtle Williams | 37 | Wife | Hotel Maid | Illinois |
| 55 | Ethel Williams | 14 | daughter | — | Illinois |
| 56 | Robert Williams | 12 | son | — | Illinois |
| 57 | John Williams | 8 | son | — | Illinois |
| 58 | Roger Williams | 6 | son | — | Illinois |
| 59 | Anna Belzung | 27 | Head | — | Illinois |
| 60 | Anna Belzung | 7 | daughter | — | Illinois |
| 61 | Martin Belzung | 6 | son | — | Illinois |
| 62 | Bailey Jr. Belzung | 4 | son | — | Illinois |
| 63 | Michael Belzung | 2 | son | — | Illinois |
| 64 | Harry F Brooks THIS PERSON | 46 | Head | Laborer | Michigan |
| 65 | Julia Brooks | 34 | Wife | — | Illinois |
| 66 | Lucille Brooks | 17 | daughter | — | Illinois |
| 67 | Harry Jr Brooks | 15 | son | — | Illinois |
| 68 | Duane Brooks | 13 | son | — | Illinois |
| 69 | Margaret Brooks | 12 | daughter | — | Illinois |
| 70 | Burton Brooks | 11 | son | — | Illinois |
| 71 | Betty Lou Brooks | 9 | daughter | — | Illinois |
| 72 | Ronald R. Brooks | 5 | son | — | Illinois |
| 73 | Raymond Alm | 29 | Head | Switchboard Operator | Illinois |
| 74 | Rose Alm | 28 | Wife | — | Illinois |
| 75 | Donald Alm | 4 | son | — | Illinois |
| 76 | Lynda Alm | 2 | daughter | — | Illinois |
| 77 | Bernard Stang | 36 | Head | Truck Driver | Illinois |
| 78 | Elen Stang | 36 | wife | — | Illinois |
| 79 | John Stang | 13 | son | — | Illinois |
| 80 | Bernard Jr. Stang | 7 | son | — | Illinois |
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)