JK
John Kenney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Kenney across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 8-person household.
Age 28
b. ~1912
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Kenney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Laborer |
| Industry | Wholesale Meat packing |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 800 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Chicago |
| Est. Birth Year | ~1912 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Kenney | Head | — | 53 | ~1887 |
| Katherine Kenney | Daughter | — | 22 | ~1918 |
| Veronica Kenney | Daughter | — | 19 | ~1921 |
| James Kenney | Son | — | 20 | ~1920 |
| Rita Kenney | Daughter | — | 16 | ~1924 |
| Mary Kenney | Daughter | — | 24 | ~1916 |
| John Kenney | Son | — | 28 | ~1912 |
| Joseph Kenney | Son | — | 25 | ~1915 |
Census Appearances
1930
Cook, Illinois
Son, age 17
Cook, Illinois · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kenney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 28
Cook-County, Illinois · implied b. ~1912 — 8 household members
| Surname | Kenney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Laborer |
| Industry | Wholesale Meat packing |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 800 |
| Highest Grade | No 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 John Kenney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kenney
Son · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
Sibling
Katherine Kenney
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Kenney
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Veronica Kenney
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Kenney
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Kenney
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kenney
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
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
38 people indexed on this census page (nara:1940:m-t0627-00957-00346)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Kollman | 27 | Head | Gas Station Attendant | Illinois |
| 42 | Emily Kollman | 26 | Wife | — | Illinois |
| 43 | Helen Kollman | 2 | Daughter | — | Illinois |
| 44 | Jean Kollman | 4 | Daughter | — | Illinois |
| 45 | Charles Kollman | 0 | Son | — | Illinois |
| 46 | Charles Kollman | 52 | Head | Laborer | Illinois |
| 47 | Katherine Kollman | 25 | Daughter | — | Illinois |
| 48 | Jean Arno | 90 | Mother-in-law | — | Scotland |
| 49 | Daniel Mitchell | 33 | Head | Clerical Worker | Illinois |
| 50 | Hildred Mitchell | 29 | Wife | — | Tennessee |
| 51 | William Mitchell | 1 | Son | — | Illinois |
| 52 | Hillier Augur | 50 | Head | Bartender | Lithuania |
| 53 | Elizabeth Augur | 45 | Wife | Tailor | Lithuania |
| 54 | Hytauta Stapulionis | 20 | Step-son | Office Clerk | Illinois |
| 56 | Mary Kenney | 53 | Head | — | Irish Free State |
| 57 | John Kenney THIS PERSON | 28 | Son | Laborer | Illinois |
| 58 | Joseph Kenney | 25 | Son | Delivery Truck Driver | Illinois |
| 59 | Mary Kenney | 24 | Daughter | Receptionist | Illinois |
| 60 | Katherine Kenney | 22 | Daughter | Telephone Operator | Illinois |
| 61 | James Kenney | 20 | Son | Elevator Operator | Illinois |
| 62 | Veronica Kenney | 19 | Daughter | Clerk | Illinois |
| 63 | Rita Kenney | 16 | Daughter | — | Illinois |
| 64 | Ada Washburn | 66 | Head | — | England |
| 65 | Joseph Dorr | 26 | Head | Plastering Contractor | Virginia |
| 66 | Caroline Dorr | 25 | Wife | — | Vienna |
| 67 | Betty Dorr | 5 | Daughter | — | Indiana |
| 68 | William Dorr | 10 | Son | — | Illinois |
| 69 | Joseph Jr. Dorr | 4 | Son | — | Illinois |
| 70 | Herbert Marsh | 52 | Lodger | Cook | New York |
| 71 | John B. Devine | 50 | Head | Lawyer | Missouri |
| 72 | Sadie Devine | 45 | Sister | — | Missouri |
| 73 | Casper Haase | 71 | Head | Mail Clerk | New York |
| 74 | Eva Haase | 69 | Wife | — | Illinois |
| 75 | Delmar Murren | 60 | Brother-in-law | Weigher | Illinois |
| 77 | John O'Donnell | 57 | Lodger | Brick Layer | Penn State |
| 78 | Antonio Iammatteo | 55 | Head | Coal Handler | Italy |
| 79 | Elm Iammatteo | 56 | Wife | — | Italy |
| 80 | Maria Giuseppe | 80 | Mother-in-law | — | Italy |
Related Census Records
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)