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John Stanley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Stanley across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 3-person household.
Age 61
b. ~1879
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Stanley |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Operating Engineer |
| Industry | Water Dept. City Chicago |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 2660 |
| Highest Grade | 5 |
| 1935 Residence | Illinois |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Operating Engineer |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1879 |
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 |
|---|---|---|---|---|
| John Stanley | Head | — | 61 | ~1879 |
| P Stanley | Son | — | 26 | ~1914 |
| Mary Stanley | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Cook, Illinois
Head, age 40
Cook, Illinois · implied b. ~1880 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stanley |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Occupation | Car Builder |
| Industry | Car Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Cook, Illinois
Head, age 51
Cook, Illinois · implied b. ~1879 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stanley |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 26 |
| Father's Birthplace | Irish Free S |
| Mother's Birthplace | Irish Free S |
| Occupation | sewer digger |
| Industry | sanitary district |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Cook-County, Illinois
Head, age 61
Cook-County, Illinois · implied b. ~1879 — 3 household members
| Surname | Stanley |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Operating Engineer |
| Industry | Water Dept. City Chicago |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 2660 |
| Highest Grade | 5 |
| 1935 Residence | Illinois |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Stanley 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 Stanley
Head · 1940 · age 61 · b. ~1879 · 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
40 people indexed on this census page (nara:1940:m-t0627-00939-00841)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marie Price | 43 | Wife | — | Tennessee |
| 2 | Virginia Price | 24 | Daughter | Beautician | Tennessee |
| 3 | Howard Price | 22 | Son | Elevator Boy | Tennessee |
| 4 | Paul Price | 18 | Son | New Worker | Tennessee |
| 5 | Edwin Price | 22 | Son | Gas Attendant | Tennessee |
| 6 | Rose Price | 20 | Daughter | — | Illinois |
| 7 | Dorothy Price | 2 | Grand-daughter | — | Illinois |
| 8 | Pearl Fentem | 50 | Lodger | Tinner | Illinois |
| 9 | Johanna Fentem | 45 | Wife | — | Illinois |
| 10 | Jack Fentem | 26 | Lodger's Son | Assembler | Illinois |
| 11 | Doris Fentem | 24 | Lodger's Daughter-in-law | — | Illinois |
| 12 | Richard Fentem | 3 | Lodger's Grandson | — | Illinois |
| 13 | George H. Havens | 45 | Head | Clerical | Illinois |
| 14 | Emma Havens | 45 | Wife | — | Illinois |
| 15 | Mavis Havens | 16 | Daughter | — | Tennessee |
| 16 | Johanna Sprenberg | 76 | Mother-in-law | — | Germany |
| 17 | Albert Beverly | 39 | Head | Laborer | Italy |
| 18 | Lena Beverly | 27 | Wife | — | Italy |
| 19 | George Beverly | 8 | Son | — | Illinois |
| 20 | Leno Beverly | 6 | Son | — | Illinois |
| 21 | Lorraine Beverly | 2 | Daughter | — | Illinois |
| 22 | Peter Kontos | 50 | Head | Machinist | Greece |
| 23 | Georgia Kontos | 37 | Wife | Laundress | Greece |
| 24 | Anthony Kontos | 19 | Son | New Worker | Illinois |
| 25 | Helen Kontos | 16 | Daughter | — | Illinois |
| 26 | Louis Castello | 51 | Head | Driller Team | Italy |
| 27 | Elizabeth Castello | 44 | Wife | Tester | Italy |
| 28 | Angeline Castello | 23 | Daughter | Solderer | Illinois |
| 29 | Ida Castello | 22 | Daughter | Solderer | Illinois |
| 30 | George Drezga | 40 | Head | Clerk | Pennsylvania |
| 31 | Idalia Drezga | 32 | Wife | — | Illinois |
| 32 | William Drezga | 11 | Son | — | Illinois |
| 33 | Bruce Drezga | 7 | Son | — | Illinois |
| 34 | John J. Stanley THIS PERSON | 61 | Head | Operating Engineer | Missouri |
| 35 | Mary Stanley | 56 | Wife | — | Illinois |
| 36 | P. Colonel Stanley | 26 | Son | Drafting | Illinois |
| 37 | John Jacus | 49 | Head | Fitter Helper | Poland |
| 38 | Barbara Jacus | 44 | Wife | Maid | Poland |
| 39 | Walter Jacus | 15 | Son | — | Illinois |
| 40 | Helen Jacus | 12 | Daughter | — | 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)