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Lena Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Lena Brown across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 4-person household.
Age 47
b. ~1893
Female
Spouse
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Brown |
| Given Name | Lena |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Rock Island |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 1 |
| 1935 Residence | Illinois |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Township / Ward | Chicago |
| Est. Birth Year | ~1893 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lena | Age | Birth yr |
|---|---|---|---|---|
| Louis Brown | Head | — | 49 | ~1891 |
| Bernice Brown | Daughter | — | 24 | ~1916 |
| Lena Brown | Spouse | — | 47 | ~1893 |
| Hyman Brown | Son | — | 27 | ~1913 |
Census Appearances
1920
Cook, Illinois
Spouse, age 26
Cook, Illinois · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Lena |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1910 |
| Naturalization Status | Alien |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1930
Cook, Illinois
Spouse, age 36
Cook, Illinois · implied b. ~1894 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Lena |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1911 |
| Age at First Marriage | 20 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Cook-County, Illinois
Spouse, age 47
Cook-County, Illinois · implied b. ~1893 — 4 household members
| Surname | Brown |
| Given Name | Lena |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Rock Island |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 1 |
| 1935 Residence | Illinois |
| 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 Lena 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
Lena Brown
Spouse · 1940 · age 47 · b. ~1893 · 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
36 people indexed on this census page (nara:1940:m-t0627-00970-00409)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Irving Schwert | 38 | Head | Salesman | New York |
| 42 | Francis Schwert | 33 | Wife | — | Russia |
| 43 | Jerome Schwert | 14 | Son | — | Illinois |
| 44 | Robert Schwert | 10 | Son | — | Illinois |
| 45 | Soh Kolchynsky | 47 | Head | Clerk | Russia |
| 46 | Lillian Kolchynsky | 36 | Wife | — | Russia |
| 47 | Jack Kolchynsky | 15 | Son | — | Illinois |
| 48 | Herman Kolchynsky | 11 | Son | — | Illinois |
| 49 | Beverly A Kolchynsky | 1 | Daughter | — | Illinois |
| 50 | Bella B Fletcher | 65 | Head | — | Hungary |
| 51 | Louis Fletcher | 73 | Husband | — | Russia |
| 52 | Michah Riskin | 60 | Lodger | Peddler | Russia |
| 53 | Abe Jacobs | 41 | Head | Peddler | Persia |
| 54 | Elsie Jacobs | 40 | Wife | Finisher | Persia |
| 55 | Shirley Jacobs | 15 | Daughter | — | Illinois |
| 56 | Molly Spector | 55 | Head | Cook | Austria |
| 57 | Isadore Spector | 19 | Son | — | Illinois |
| 58 | Leonard Spector | 11 | Son | — | Illinois |
| 59 | Minnie Kaplan | 57 | Lodger | — | Lithuania |
| 60 | George Naser | 35 | Head | Truck Driver | Illinois |
| 61 | Janet Naser | 26 | Wife | — | Illinois |
| 62 | June N. Naser | 1 | Daughter | — | Illinois |
| 63 | Paul Gallo | 5 | Son | — | Illinois |
| 64 | Louis Brown | 49 | Head | Operator | Russia |
| 65 | Lena Brown THIS PERSON | 47 | Wife | — | Russia |
| 66 | Hyman Brown | 27 | Son | Truck Driver | Illinois |
| 67 | Bernice Brown | 24 | Daughter | — | Illinois |
| 68 | Joseph Shuman | 49 | Head | Printer | Russia |
| 69 | Jean Shuman | 34 | Wife | — | Illinois |
| 70 | Morton Shuman | 5 | Son | — | Illinois |
| 71 | Nathan Torgow | 35 | Head | Distiller | Russia |
| 72 | Molly Torgow | 32 | Wife | — | Russia |
| 73 | Sarah Torgow | 3 | Daughter | — | Illinois |
| 74 | Joseph Sarockas | 37 | Head | Roofer | Illinois |
| 75 | Antonette Sarockas | 23 | Wife | Clerk | Illinois |
| 79 | John Dedouch | 60 | Head | Janitor | Illinois |
Related Census Records
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)