DB
Dora Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Dora Brown across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 5-person household.
Age 50
b. ~1890
Female
Spouse
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Brown |
| Given Name | Dora |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1890 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dora | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Silver | Daughter | — | 27 | ~1913 |
| Henry Brown | Head | — | 55 | ~1885 |
| Samuel Silver | Other | — | 32 | ~1908 |
| Paul Brown | Son | — | 22 | ~1918 |
| Dora Brown | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Cook, Illinois
Spouse, age 29
Cook, Illinois · implied b. ~1891 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Dora |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1908 |
| Naturalization Status | Alien |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1930
Cook, Illinois
Other, age 40
Cook, Illinois · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Dora |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 20 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Cook-County, Illinois
Spouse, age 50
Cook-County, Illinois · implied b. ~1890 — 5 household members
| Surname | Brown |
| Given Name | Dora |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 Dora Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Dora Brown
Spouse · 1940 · age 50 · b. ~1890 · 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
37 people indexed on this census page (nara:1940:m-t0627-00989-00794)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jacob Bomze | 50 | Head | Proprietor | Russia |
| 42 | Mary Bomze | 49 | Wife | — | Russia |
| 43 | Edward Bomze | 28 | Son | Medical Doctor | Russia |
| 44 | Irving Zitman | 25 | Son-in-law | — | California |
| 45 | Florence Zitman | 24 | Daughter | Stenographer | Illinois |
| 46 | August Bjornson | 52 | Head | Stockman | Norway |
| 47 | Lena Bjornson | 53 | Wife | — | Wisconsin |
| 48 | John Bjornson | 16 | Son | — | Illinois |
| 49 | Ingrid Bjornson | 15 | Daughter | — | Illinois |
| 50 | Paul Toyssen | 25 | Nephew | Office Clerk | Wisconsin |
| 51 | Richard Johnson | 56 | Head | Janitor | Illinois |
| 52 | Mina Johnson | 51 | Wife | — | Illinois |
| 53 | Jeanette Johnson | 15 | Daughter | — | Illinois |
| 54 | William Miller | 46 | Head | Laborer | Illinois |
| 55 | Edna Miller | 45 | Wife | — | Illinois |
| 56 | Rose Seidel | 67 | Mother-in-law | Housework | England |
| 57 | Clarence Ettglass | 26 | Head | Die Cutter | Illinois |
| 58 | Ruth Ettglass | 26 | Wife | — | Illinois |
| 59 | Lawrence Ettglass | 1 | Son | — | Illinois |
| 60 | Elaine Kumbach | 20 | Sister-in-law | Typist | Illinois |
| 61 | Harry Scheinbaum | 43 | Head | — | Poland |
| 62 | Albert Scheinbaum | 23 | Son | Salesman | Illinois |
| 63 | Raymond Scheinbaum | 19 | Son | Salesman | Illinois |
| 64 | Helen Scheinbaum | 14 | Daughter | — | Illinois |
| 65 | Martin Brodsky | 26 | Nephew | Salesman | Russia |
| 66 | Goldie Brodsky | 25 | Niece | Saleslady | Poland |
| 67 | Henry Brown | 55 | Head | — | Russia |
| 68 | Dora Brown THIS PERSON | 50 | Wife | — | Russia |
| 69 | Paul Brown | 22 | Son | — | Illinois |
| 70 | Samuel Silver | 32 | Son-in-law | Auctioneer | New York |
| 71 | Gertrude Silver | 27 | Daughter | — | Illinois |
| 72 | Louis Levin | 57 | Head | Proprietor | Russia |
| 73 | Bessie Levin | 44 | Wife | — | England |
| 74 | Audrey Levin | 20 | Daughter | Filing Clerk | Illinois |
| 75 | Irene Levin | 19 | Daughter | Bookkeeper | Illinois |
| 76 | Betty Levin | 14 | Daughter | — | Illinois |
| 77 | Burton Levin | 2 | 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)