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Bernice Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Bernice Brown across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Charles & John — first a spouse (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Brown |
| Given Name | Bernice |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| 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 | ~1910 |
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 Bernice | Age | Birth yr |
|---|---|---|---|---|
| William Brown | Head | — | 31 | ~1909 |
| George Brown | Son | — | 2 | ~1938 |
| Bernice Brown | Spouse | — | 30 | ~1910 |
Census Appearances
1910
Cook, Illinois
Daughter, age
Cook, Illinois · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Bernice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | No |
| Can Write | No |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Daughter, age 9
Cook, Illinois · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Bernice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Washington DC |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 20
Cook, Illinois · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Bernice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Stenographer |
| Industry | Express Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 30
Cook-County, Illinois · implied b. ~1910 — 3 household members
| Surname | Brown |
| Given Name | Bernice |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| 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 Bernice Brown across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Brown (~0.92 confidence) and father John Brown (~0.92 confidence) and father John Brown (~0.92 confidence) and mother Eva Brown (~0.92 confidence) and mother Verona Brown (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Brown
b. ~1879
Source father
● Household
· direct · ~0.92
Father
John Brown
b. ~1881
Source father
● Household
· direct · ~0.92
Father
John Brown
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Eva Brown
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Verona Brown
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Bernice Brown
Spouse · 1940 · age 30 · b. ~1910 · 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-t0627-00947-00611)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Patricia Lundkvist | 5 | Daughter | — | Illinois |
| 2 | William Freitag | 31 | Head | Mason | Illinois |
| 3 | Dorothy Freitag | 30 | Wife | — | Illinois |
| 4 | William Freitag | 10 | Son | — | Illinois |
| 5 | David Freitag | 5 | Son | — | Illinois |
| 6 | Mary Tennant | 57 | Head | — | Illinois |
| 7 | Wilbert Tennant | 33 | Son | Automobile Dealer | Illinois |
| 8 | Jane Foster | 11 | Lodger | — | Illinois |
| 9 | Charles Flahive | 35 | Head | Paint Sprayer | Illinois |
| 10 | Roni Flahive | 32 | Wife | — | Illinois |
| 11 | Charl Flahive | 8 | Son | — | Illinois |
| 12 | Rai Flahive | 1 | Daughter | — | Illinois |
| 13 | Marie Studnicka | 53 | Head | — | Czechoslovakia |
| 14 | George Studnicka | 21 | Son | Freight Loader | Illinois |
| 15 | Tony Studnicka | 15 | Son | — | Illinois |
| 16 | Thomas Studnicka | 11 | Son | — | Illinois |
| 17 | Mary Lou Studnicka | 4 | Daughter | — | Illinois |
| 18 | Edmund Arithowaski | 48 | Head | Broker | Lithuania |
| 19 | Harriet Arithowaski | 40 | Wife | — | Lithuania |
| 20 | Alex Arithowaski | 22 | Son | — | Lithuania |
| 21 | Josephine Soltan | 60 | Mother in law | — | Lithuania |
| 22 | Victor Johanson | 52 | Head | Tool-Die Maker | Sweden |
| 23 | Agnes Johanson | 52 | Wife | — | Sweden |
| 24 | Jean Johanson | 22 | Daughter | Clerk | Illinois |
| 25 | Ruby Tagbom | 21 | Lodger | Stenographer | Illinois |
| 26 | Benjamin Wojinski | 55 | Head | Locomotive Engineer | Illinois |
| 27 | Sadie Wojinski | 50 | Wife | — | Illinois |
| 28 | Joseph Cervenka | 27 | Son in law | — | Illinois |
| 29 | Anne Cervenka | 22 | Daughter | — | Illinois |
| 30 | Arthur S. Russell | 36 | Head | Office Manager | New York |
| 31 | Anna L. Russell | 36 | Wife | — | Illinois |
| 32 | Marylane Russell | 7 | Daughter | — | Illinois |
| 33 | Smith Maleski | 44 | Head | Clerk | Illinois |
| 34 | Pearl Maleski | 41 | Wife | — | Illinois |
| 35 | Oraile Maleski | 20 | Son | Stock Keeper | Illinois |
| 36 | Jules Maleski | 12 | Son | — | Illinois |
| 37 | William Brown | 31 | Head | Clerk | Illinois |
| 38 | Bernice Brown THIS PERSON | 30 | Wife | — | Illinois |
| 39 | George Brown | 2 | Son | — | Illinois |
Pedigree Summary
Bernice
Gen 1 · 5 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)