GJ
George Jennings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this George Jennings across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 6-person household.
Age 58
b. ~1882
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Jennings |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago-City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Maint. Man. |
| Industry | Printing Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Maint. Man. |
| Township / Ward | Chicagocity |
| Est. Birth Year | ~1882 |
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 George | Age | Birth yr |
|---|---|---|---|---|
| George Jennings | Head | — | 58 | ~1882 |
| George Jennings | Son | — | 23 | ~1917 |
| Louis Jennings | Son | — | 15 | ~1925 |
| Alida Jennings | Spouse | — | 54 | ~1886 |
| Ernest Jennings | Son | — | 21 | ~1919 |
| Dorothy Jennings | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Cook, Illinois
Head, age 48
Cook, Illinois · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 19 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Engineer |
| Industry | Steam Shovel |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7500 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 58
Cook-County, Illinois · implied b. ~1882 — 6 household members
| Surname | Jennings |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago-City |
| 1935 Residence (County) | Cook |
| Occupation | Maint. Man. |
| Industry | Printing Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 George Jennings across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
George Jennings
Head · 1940 · age 58 · b. ~1882 · 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
39 people indexed on this census page (nara:1940:m-t0627-00999-00721)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Sullivan | 35 | Head | Labor | Illinois |
| 2 | Margaret Sullivan | 35 | Wife | — | Illinois |
| 3 | Marie Sullivan | 9 | daughter | — | Illinois |
| 4 | Betty Sullivan | 7 | daughter | — | Illinois |
| 5 | Robert Sullivan | 6 | Son | — | Illinois |
| 6 | Rita Sullivan | 4 | daughter | — | Illinois |
| 7 | George Jennings THIS PERSON | 58 | Head | Maint. Man. | Illinois |
| 8 | Alida Jennings | 54 | Wife | — | Illinois |
| 9 | Ernest Jennings | 21 | Son | Errand Boy | Illinois |
| 10 | Louis Jennings | 15 | Son | — | Illinois |
| 11 | George Jennings | 23 | Son | Butcher | Illinois |
| 12 | Dorothy Jennings | 19 | daughter | — | Illinois |
| 13 | Morris Davis | 61 | Head | Shoemaker | Russia |
| 14 | Ida Davis | 57 | Wife | — | Russia |
| 15 | Joseph Davis | 36 | Son | Salesman | Illinois |
| 16 | Benj Davis | 24 | Son | Salesman | Illinois |
| 17 | Leon Neuman | 52 | Head | Operator | Romania |
| 18 | Dora Neuman | 52 | Wife | — | Romania |
| 19 | Donald Neuman | 24 | Son | Truck Driver | Illinois |
| 20 | Phyllis Neuman | 15 | daughter | — | Illinois |
| 21 | Joseph Avovitz | 49 | Head | Delicat. Clerk | Russia |
| 22 | Pearl Avovitz | 45 | Wife | Labor | Poland |
| 23 | Leonard Avovitz | 24 | Son | Clerk, Office | Illinois |
| 24 | Thelma Avovitz | 18 | daughter | — | Illinois |
| 25 | John Rumpe | 44 | Head | Salesman | Illinois |
| 26 | Eleanor Rumpe | 39 | Wife | — | Illinois |
| 27 | Florence Rumpe | 18 | daughter | Steno. | Illinois |
| 28 | Frank G. Fayman | 27 | Head | Machine Oper | Illinois |
| 29 | Mary Fayman | 26 | Wife | — | Illinois |
| 30 | Donald Fayman | 4 | Son | — | Illinois |
| 31 | Reuben Johnson | 32 | Head | Delivery Man | Illinois |
| 32 | Eleanor Johnson | 29 | Wife | — | Illinois |
| 33 | Glenn Johnson | 3 | Son | — | Illinois |
| 34 | Stanley Johnson | 20 | brother | Errand Boy | Illinois |
| 35 | Delbert Johnson | 18 | brother | Labor | Illinois |
| 36 | Mary Gunderson | 68 | Head | — | Wisconsin |
| 37 | Ruth Gunderson | 43 | daughter | — | Illinois |
| 38 | Esther Gunderson | 37 | daughter | Cashier | Illinois |
| 39 | James Spatata | 35 | Roomer | Truck Driver | 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)