RK
Robert Kennedy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Robert Kennedy across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Kennedy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Elmhurst |
| 1935 Residence (County) | Du Page |
| Additional Details | |
| Income (1939) | 39 |
| Highest Grade | C-2 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1925 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Ella Macnider | Daughter | — | 30 | ~1910 |
| Edward Kennedy | Head | — | 50 | ~1890 |
| Pauline Hunter | Other | — | 75 | ~1865 |
| Louis Hunter | Son | — | 25 | ~1915 |
| Robert Kennedy | Son | — | 15 | ~1925 |
| George Walton | Son | — | 21 | ~1919 |
| Edward Hunter | Son | — | 14 | ~1926 |
| Herbert Hunter | Son | — | 16 | ~1924 |
| Marie Mueller | Spouse | — | 65 | ~1875 |
| Evelyn Kennedy | Spouse | — | 45 | ~1895 |
| Rose Ferretti | Spouse | — | 52 | ~1888 |
Census Appearances
1930
Cook, Illinois
Son, age 4
Cook, Illinois · implied b. ~1926 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 15
Cook-County, Illinois · implied b. ~1925 — 11 household members
| Surname | Kennedy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Elmhurst |
| 1935 Residence (County) | Du Page |
| Income (1939) | 39 |
| Highest Grade | C-2 |
| 1935 Residence | Illinois |
| 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 Robert Kennedy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Kennedy
Son · 1940 · age 15 · b. ~1925 · Illinois
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Sibling
George Walton
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Hunter
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Hunter
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Macnider
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Hunter
Sibling · 1940 · age 14
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
40 people indexed on this census page (nara:1940:m-t0627-01016-00568)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | August Harrer | 42 | Head | Sales Clerk | Illinois |
| 2 | Elizabeth Harrer | 35 | Wife | — | Illinois |
| 3 | Mona Hansen | 79 | Head | Stenographer | Illinois |
| 4 | J. H. Webster | 55 | Lodger | Plumber | Illinois |
| 5 | Clara M. Metzger | 47 | Head | — | Illinois |
| 6 | Albert H. Metzger | 33 | Lodger | Sheet Metal Worker | Germany |
| 7 | James A. Hasentwig | 45 | Lodger | Laborer | Ireland |
| 8 | Max Fischer | 56 | Lodger | Janitor | Germany |
| 9 | Alex George | 49 | Lodger | Wait-Waiter | Greece |
| 10 | Edward Kennedy | 50 | Head | Electrician | Illinois |
| 11 | Evelyn Kennedy | 45 | Wife | — | Illinois |
| 12 | Robert Kennedy THIS PERSON | 15 | Son | — | Illinois |
| 13 | Rose Ferretti | 52 | Wife | Seamstress | Italy |
| 14 | Marie Mueller | 65 | Wife | — | Illinois |
| 15 | Ella Macnider | 30 | Daughter | Auditor | Illinois |
| 16 | George Walton | 21 | Son | Floor Man | Illinois |
| 17 | Pauline Hunter | 75 | Mother | — | Pennsylvania |
| 18 | Louis Hunter | 25 | Son | Bookkeeper | Illinois |
| 19 | Herbert Hunter | 16 | Son | — | Illinois |
| 20 | Edward Hunter | 14 | Son | — | Illinois |
| 21 | Marie Hunt | 29 | Head | Clerk | Illinois |
| 22 | Ruth Rock | 25 | Wife | — | Illinois |
| 23 | Phillip Rock | 4 | Son | — | Illinois |
| 24 | Lillian Sommer | 56 | Mother | — | Illinois |
| 25 | William Kennelly | 44 | Head | Receiving Teller | Illinois |
| 26 | Sonia Kennelly | 45 | Wife | — | Wisconsin |
| 27 | Rosemary Murphy | 15 | Daughter | — | California |
| 28 | Alice Murphy | 13 | Daughter | — | California |
| 29 | Lillian Carlson | 19 | Daughter | Inspector | Illinois |
| 30 | John Bengtson | 60 | Lodger | Billing Clerk | Sweden |
| 31 | Morris Swenson | 34 | Head | Assistant Mgr. | Sweden |
| 32 | Marion Swenson | 36 | Lodger | Bus Washer | Illinois |
| 33 | Following Persons Enumerated By Supervisor'S Office - No Fee Due Enumerator Block #4 | None | — | — | — |
| 34 | Richard Flavin | 74 | Head | — | Illinois |
| 35 | Caroline Flavin | 65 | Wife | — | Illinois |
| 36 | Richard Flavin | 36 | Son | Mail Carrier | Illinois |
| 37 | Kitty Bralam | 45 | Head | — | New York |
| 38 | Margaret Bralam | 23 | Daughter | Typist | Illinois |
| 39 | Mary Bralam | 21 | Daughter | Typist | Illinois |
| 40 | Edward Bralam | 20 | Son | Assistant Janitor | 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)