RD
Robert Dean — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Robert Dean across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 10-person household.
Age 22
b. ~1918
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Dean |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Bridge Carpenter |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 250 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Bridge Carpenter |
| Township / Ward | Chicago |
| Est. Birth Year | ~1918 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| John Dean | Head | — | 52 | ~1888 |
| Ambrose Bain | Other | — | 25 | ~1915 |
| Robert Bain | Other | — | ~1940 | |
| Dorothy Bain | Daughter | — | 24 | ~1916 |
| Freddie Dean | Son | — | 13 | ~1927 |
| Florrie Dean | Spouse | — | 43 | ~1897 |
| John Dean | Son | — | 11 | ~1929 |
| Billy Dean | Son | — | 14 | ~1926 |
| Ruth Dean | Son | — | 20 | ~1920 |
| Robert Dean | Son | — | 22 | ~1918 |
Census Appearances
1930
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1918 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dean |
| Given Name | Robert J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Cook-County, Illinois
Son, age 22
Cook-County, Illinois · implied b. ~1918 — 10 household members
| Surname | Dean |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Bridge Carpenter |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 250 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Dean across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Dean
Son · 1940 · age 22 · b. ~1918 · Illinois
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Sibling
Billy Dean
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Dean
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Dean
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Freddie Dean
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Bain
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
39 people indexed on this census page (nara:1940:m-t0627-00955-01034)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen Hicks | 42 | Wife | — | Pennsylvania |
| 42 | John Seaverty | 35 | Head | Plumber | Illinois |
| 43 | Mary Seaverty | 31 | Wife | — | Illinois |
| 44 | William Brandon | 33 | Head | Plasterer | Illinois |
| 45 | Lourdine Brandon | 33 | Wife | Stenographer | Pennsylvania |
| 46 | John Brandon | 9 | Son | — | Illinois |
| 47 | Elmer Barkley | 37 | Head | Elec Mechanic | Illinois |
| 48 | Irma Barkley | 34 | Wife | Beauty Operator | Illinois |
| 49 | Beverly Barkley | 14 | Daughter | — | Illinois |
| 50 | Elmer Barkley | 10 | Son | — | Illinois |
| 51 | Thomas Barkley | 7 | Son | — | Illinois |
| 53 | William R. Stern | 36 | Head | Watchman | Tennessee |
| 54 | Bertha Stern | 34 | Wife | Finisher | Tennessee |
| 55 | Clara Stern | 14 | Daughter | — | Tennessee |
| 56 | Frank Scalise | 32 | Head | Insurance Sales | Iowa |
| 57 | Ann Scalise | 29 | Wife | — | Illinois |
| 58 | Edward Scalise | 11 | Son | — | Illinois |
| 59 | Raymond Scalise | 9 | Son | — | Illinois |
| 60 | Joline Scalise | 6 | Daughter | — | Illinois |
| 61 | John Dean | 52 | Head | Bridge Carpenter | Illinois |
| 62 | Florrie Dean | 43 | Wife | — | Indiana |
| 63 | Robert J. Dean THIS PERSON | 22 | Son | Bridge Carpenter | Indiana |
| 64 | Ruth Dean | 20 | Son | Office Boy | Indiana |
| 65 | Billy Dean | 14 | Son | — | Illinois |
| 66 | Freddie Dean | 13 | Son | — | Illinois |
| 67 | John Dean | 11 | Son | — | Illinois |
| 68 | Ambrose Bain | 25 | Son-in-law | Laborer | Minnesota |
| 69 | Dorothy Bain | 24 | Daughter | — | Indiana |
| 70 | Robert Bain | 0 | Grand-son | — | Illinois |
| 71 | John C. Jensen | 75 | Head | — | Denmark |
| 72 | Mary Jensen | 65 | Wife | — | Illinois |
| 73 | Harry Jensen | 38 | Son | Office Sales Mgr | Illinois |
| 74 | Raymond Mauritzen | 28 | Nephew | Office Mgr | Illinois |
| 75 | James Tinkey | 64 | Head | Accountant | Scotland |
| 76 | Matilda Tinkey | 62 | Wife | — | Scotland |
| 77 | Edwin Knotts | 73 | Head | Commission Mer | Pennsylvania |
| 78 | Laura Knotts | 52 | Wife | — | Colorado |
| 79 | Lillian Paroska | 57 | Head | Cook | Colorado |
| 80 | John Paroska | 23 | Son | Assistant Chemist | Colorado |
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)