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Louis Hoffman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Louis Hoffman across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 6-person household.
Age 57
b. ~1883
Male
Head
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Hoffman |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1883 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Molly Tandat | Daughter | — | 29 | ~1911 |
| Marion Hoffman | Daughter | — | 25 | ~1915 |
| Ruth Hoffman | Daughter | — | 27 | ~1913 |
| Louis Hoffman | Head | — | 57 | ~1883 |
| Dora Hoffman | Spouse | — | 49 | ~1891 |
| Arnold Tandat | Other | — | 8 | ~1932 |
Census Appearances
1910
Cook, Illinois
Head, age 26
Cook, Illinois · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Russia |
| Years Married | 2 |
| Year of Immigration | 1904 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Tailor |
| Industry | Tailor shop |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1920
Cook, Illinois
Head, age 38
Cook, Illinois · implied b. ~1882 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1903 |
| Naturalization Status | Alien |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Tailor |
| Industry | Men's Clothing |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Home Owned/Rented | R |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1930
Cook, Illinois
Head, age 46
Cook, Illinois · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 22 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Salesman |
| Industry | Hardware Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Yiddish |
| Home Owned/Rented | R |
| Home Value / Rent | 50.00 |
| Radio Set | R |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Cook-County, Illinois
Head, age 57
Cook-County, Illinois · implied b. ~1883 — 6 household members
| Surname | Hoffman |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | No 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 Louis Hoffman across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Louis Hoffman
Head · 1940 · age 57 · b. ~1883 · 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-t0627-00979-00811)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Matilda Tully | 65 | Wife | — | Germany |
| 2 | James Tully | 40 | Son | Hoisting Engineer | Illinois |
| 3 | Eileen Tully | 20 | Daughter | — | Illinois |
| 4 | Edward Dillon | 37 | Head | Bartender | Illinois |
| 5 | Margaret Dillon | 27 | Wife | — | Illinois |
| 6 | Delores Dillon | 7 | Daughter | — | Illinois |
| 7 | Michael Dillon | 6 | Son | — | Illinois |
| 8 | Margaret Dillon | 1 | Daughter | — | Illinois |
| 9 | Catherine | 68 | Mother | — | Irish Free State |
| 10 | Morris Ellis | 54 | Head | Peddler | Russia |
| 11 | Fanny Ellis | 47 | Wife | — | Russia |
| 12 | Helen Ellis | 28 | Daughter | Office Clerk | Illinois |
| 13 | Harry Ellis | 27 | Son | Salesman | Iowa |
| 14 | William Ellis | 24 | Son | Office Clerk | Iowa |
| 15 | Morris Snyder | 85 | Boarder | — | Russia |
| 16 | Ida Snyder | 55 | Boarder | — | Illinois |
| 17 | Israel Solon | 68 | Head | Glazier | Austria |
| 18 | Lena Solon | 68 | Wife | — | Russia |
| 19 | Rose Hayes | 40 | Daughter | Stenographer | Illinois |
| 20 | Elmer Hayes | 18 | Grandson | — | Illinois |
| 21 | Ruth Solon | 19 | Granddaughter | — | Illinois |
| 22 | Eva Hillman | 58 | Head | — | Russia |
| 23 | Bertha Hillman | 35 | Daughter | Office Manager | Russia |
| 24 | Sara Hillman | 23 | Daughter | Stenographer | Same place |
| 25 | Herman Hillman | 26 | Son | Salesman | Same place |
| 26 | David Hillman | 18 | Son | — | Same place |
| 27 | Rebecca Reibman | 48 | Sister | — | Russia |
| 28 | Louis Hoffman THIS PERSON | 57 | Head | — | Russia |
| 29 | Dora Hoffman | 49 | Wife | — | Russia |
| 30 | Ruth Hoffman | 27 | Daughter | Saleswoman | Illinois |
| 31 | Marion Hoffman | 25 | Daughter | Saleswoman | Illinois |
| 32 | Molly Tandat | 29 | Daughter | Saleswoman | Illinois |
| 33 | Arnold Tandat | 8 | Grandson | — | Illinois |
| 34 | Lucas J. Diaz | 47 | Head | Elevator Operator | Cuba |
| 35 | Margaret Diaz | 42 | Wife | — | Illinois |
| 36 | Joseph Diaz | 16 | Son | — | Illinois |
| 37 | Robert Diaz | 4 | Son | — | Illinois |
| 38 | Nicholas Werth | 32 | Head | Loader | Illinois |
| 39 | Caroline Werth | 59 | Mother | — | Illinois |
| 40 | Thomas Werth | 26 | Brother | Salesman | 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)