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John Roth — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Roth across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 3-person household.
Age 60
b. ~1880
Male
Head
Born: Hungary
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Roth |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Hungary |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Iron worker |
| Industry | ornamental iron |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
| Occupation | Iron Worker |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1880 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Ida Roth | Spouse | — | 54 | ~1886 |
| Walter Roth | Son | — | 24 | ~1916 |
| John Roth | Head | — | 60 | ~1880 |
Census Appearances
1920
Cook, Illinois
Head, age 39
Cook, Illinois · implied b. ~1881 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roth |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Hungary |
| Year of Immigration | 1910 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Occupation | Ironworker |
| Industry | Light Fixtures |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Birth Country | Hungary |
| Year of Naturalization | 1913 |
| Birthplace (normalized) | hungary |
1930
Cook, Illinois
Head, age 50
Cook, Illinois · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roth |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Hungary |
| Naturalization Status | Naturalized |
| Year of Immigration | 1909 |
| Age at First Marriage | 28 |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Occupation | Ornamental |
| Industry | Own Business |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | Magyar |
| Home Owned/Rented | O |
| Home Value / Rent | 11000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
1940
Cook-County, Illinois
Head, age 60
Cook-County, Illinois · implied b. ~1880 — 3 household members
| Surname | Roth |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Hungary |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Iron worker |
| Industry | ornamental iron |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
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 John Roth across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Roth
Head · 1940 · age 60 · b. ~1880 · 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-t0627-00999-00892)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mildred Canning | 35 | wife | — | Illinois |
| 42 | Joan Canning | 5 | daughter | — | Illinois |
| 43 | John Roth THIS PERSON | 60 | head | Iron Worker | Hungary |
| 44 | Ida Roth | 54 | wife | — | Germany |
| 45 | Walter Roth | 24 | son | Iron Worker | Illinois |
| 46 | George W. Kirch | 54 | head | Plumber | Illinois |
| 47 | Amelia Kirch | 54 | wife | — | Illinois |
| 48 | Eliza Kirch | 83 | mother | — | Pennsylvania |
| 49 | Philip Brodersen | 52 | head | School Teacher | Wisconsin |
| 50 | Myrtle Brodersen | 40 | wife | — | Illinois |
| 51 | Florence Brodersen | 16 | daughter | — | Illinois |
| 52 | Winifred Brodersen | 15 | daughter | — | Illinois |
| 53 | Lois Brodersen | 8 | daughter | — | Illinois |
| 54 | Philip Brodersen | 5 | son | — | Illinois |
| 55 | Elmer Riedel | 33 | head | Clerk | Illinois |
| 56 | Margaret Riedel | 33 | wife | Stenographer | Illinois |
| 57 | Violet Riedel | 9 | daughter | — | Illinois |
| 58 | Elmer Jr. Riedel | 7 | son | — | Illinois |
| 59 | John Riedel | 1 | son | — | Illinois |
| 60 | Marguerite Kreho | 42 | housekeeper | Housekeeper | New Jersey |
| 61 | Cyril Kreho | 12 | son | — | Illinois |
| 62 | Charles B. Greig | 55 | head | Bank Messenger | England |
| 63 | Zora Greig | 56 | wife | — | Virginia |
| 64 | Katherine Greig | 85 | mother | — | England |
| 65 | Otto W. Schug | 54 | head | Foreman | Illinois |
| 66 | Bertha Schug | 60 | wife | — | Illinois |
| 67 | George Holzduh | 32 | head | Repairman | Illinois |
| 68 | Beatrice Holzduh | 29 | wife | — | Illinois |
| 69 | Mildred Holzduh | 5 | daughter | — | Illinois |
| 70 | Maurice Elbeim | 48 | head | Paper Salesman | Russia |
| 71 | Jennie Elbeim | 39 | wife | — | Russia |
| 72 | Joseph Elbeim | 14 | son | — | Illinois |
| 73 | Bella Koff | 49 | head | Proprietor | Austria |
| 74 | Vilma Koff | 30 | daughter | — | Illinois |
| 75 | George Klay | 46 | head | Decorator | Illinois |
| 76 | Marie Klay | 46 | wife | — | Illinois |
| 77 | Shirley Klay | 15 | daughter | Stenographer | 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)