JK
John Keating — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Keating across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 7-person household.
Age 63
b. ~1877
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Keating |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Pipe Fitter |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Pipe Fitter |
| Township / Ward | Chicago |
| Est. Birth Year | ~1877 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jean Keating | Daughter | — | 16 | ~1924 |
| Nellie Keating | Spouse | — | 46 | ~1894 |
| Mary Keating | Daughter | — | 4 | ~1936 |
| John Keating | Son | — | 30 | ~1910 |
| Marcella Keating | Daughter | — | 21 | ~1919 |
| John Keating | Head | — | 63 | ~1877 |
| Edward Keating | Son | — | 24 | ~1916 |
Census Appearances
1930
Cook, Illinois
Head, age 52
Cook, Illinois · implied b. ~1878 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keating |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Pipe fitter |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 55 |
| Radio Set | R |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Cook-County, Illinois
Head, age 63
Cook-County, Illinois · implied b. ~1877 — 7 household members
| Surname | Keating |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Pipe Fitter |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Keating across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Keating
Head · 1940 · age 63 · b. ~1877 · 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-t0627-00955-00905)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Bilotta | 43 | Head | Inspector | Italy |
| 2 | Elizabeth Bilotta | 39 | Wife | — | Illinois |
| 3 | Elizabeth Bilotta | 20 | Daughter | General | Illinois |
| 4 | Frank Bilotta | 16 | Son | — | Illinois |
| 5 | Frank Bilotta | 27 | Brother | Chauffeur | Pennsylvania |
| 6 | Joseph Western | 56 | Head | Janitor | Roumania |
| 7 | Katherine Western | 55 | Wife | — | Roumania |
| 8 | Frank Western | 31 | Son | Order Picker | Illinois |
| 9 | John Western | 29 | Son | General | Illinois |
| 10 | Marie Western | 26 | Daughter | Housework | Illinois |
| 11 | Anthony Western | 24 | Son | Dairy Man | Illinois |
| 12 | John J. Keating THIS PERSON | 63 | Head | Pipe Fitter | New York |
| 13 | Nellie Keating | 46 | Wife | — | Illinois |
| 14 | John Keating | 30 | Son | General Office | Illinois |
| 15 | Edward Keating | 24 | Son | General Office | Illinois |
| 16 | Marcella Keating | 21 | Daughter | Cashier | Illinois |
| 17 | Jean Keating | 16 | Daughter | — | Illinois |
| 18 | Mary Lou Keating | 4 | Daughter | — | Illinois |
| 19 | Clara Hoffman | 75 | Head | — | Illinois |
| 20 | Andrew Riordan | 31 | Head | Stationary Eng. | Illinois |
| 21 | Ann Riordan | 28 | Wife | — | Illinois |
| 22 | Gerald Riordan | 6 | Son | — | Illinois |
| 23 | John Andrew Riordan | 4 | Son | — | Illinois |
| 24 | Patricia Ann Riordan | 1 | Daughter | — | Illinois |
| 25 | Joseph Bangratz | 38 | Head | Shoe Repairer | Illinois |
| 26 | Carmela Bangratz | 24 | Wife | — | Illinois |
| 27 | Louis Bangratz | 1 | Son | — | Illinois |
| 28 | William E. Herrera | 51 | Head | Outside Painter | Mexico |
| 29 | Catherine Herrera | 67 | Wife | — | Illinois |
| 30 | Robert Herrera | 26 | Son | Attendant | Illinois |
| 31 | Josephine Herrera | 24 | Daughter | Packer | Illinois |
| 32 | Mary Mccarthy | 65 | Head | — | Eire |
| 33 | Downs Catherine Mccarthy | 43 | Daughter | Tel. Operator | Illinois |
| 34 | George Sherlock | 46 | Head | Special Police | Illinois |
| 35 | Florence Sherlock | 43 | Wife | — | Illinois |
| 36 | Marian Sherlock | 13 | Daughter | Secretary | Illinois |
| 37 | John Foresti | 49 | Head | Tavern Owner | Italy |
| 38 | Laura Foresti | 52 | Wife | — | Italy |
| 39 | Amelio Gregory Foresti | 21 | Son | Field Laborer | Illinois |
| 40 | John O'Brien | 44 | Head | Laying Tile | 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)