LB
Louis Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Louis Brown across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Anna — first a head (b.~1891), then head of a 4-person household.
Age 49
b. ~1891
Male
Head
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Brown |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Rock Island |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Operator |
| Industry | Cap Co |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 884 |
| Highest Grade | No 2 |
| 1935 Residence | Illinois |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Occupation | Operator |
| Township / Ward | Chicago |
| Est. Birth Year | ~1891 |
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 Louis | Age | Birth yr |
|---|---|---|---|---|
| Bernice Brown | Daughter | — | 24 | ~1916 |
| Louis Brown | Head | — | 49 | ~1891 |
| Hyman Brown | Son | — | 27 | ~1913 |
| Lena Brown | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Cook, Illinois
Son, age 31
Cook, Illinois · implied b. ~1889 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Russia |
| Year of Immigration | 1908 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Operator |
| Industry | Clothing |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1930
Cook, Illinois
Head, age 40
Cook, Illinois · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1899 |
| Age at First Marriage | 20 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Operator |
| Industry | Cap Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Jewish |
| Home Owned/Rented | R |
| Home Value / Rent | 60.00 |
| Radio Set | R |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Cook-County, Illinois
Head, age 49
Cook-County, Illinois · implied b. ~1891 — 4 household members
| Surname | Brown |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Rock Island |
| Naturalization Status | Naturalized |
| Occupation | Operator |
| Industry | Cap Co |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 884 |
| Highest Grade | No 2 |
| 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 Louis Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Anna Brown (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anna Brown
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Louis Brown
Head · 1940 · age 49 · b. ~1891 · 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
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 THIS PERSON | 49 | Head | Operator | Russia |
| 65 | Lena Brown | 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
Pedigree Summary
Louis
Gen 1 · 1 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)