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James Dean — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Dean across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Dean |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1927 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Lena Dean | Daughter | — | 12 | ~1928 |
| Gladys Dean | Daughter | — | 1 | ~1939 |
| Edward Dean | Head | — | 33 | ~1907 |
| Donald Dean | Son | — | 10 | ~1930 |
| William Dean | Son | — | 7 | ~1933 |
| James Dean | Son | — | 13 | ~1927 |
| Bobby Dean | Son | — | 5 | ~1935 |
| Edward Dean | Son | — | 15 | ~1925 |
| Veavor Dean | Spouse | — | 33 | ~1907 |
Census Appearances
1930
Cook, Illinois
Other, age 3
Cook, Illinois · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dean |
| Given Name | James |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 13
Cook-County, Illinois · implied b. ~1927 — 9 household members
| Surname | Dean |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | COOK |
| Highest Grade | No 4 |
| 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 James Dean across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dean
Son · 1940 · age 13 · b. ~1927 · Illinois
★ You are viewing this record
Sibling
Donald Dean
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Dean
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobby Dean
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lena Dean
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Dean
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Dean
Sibling · 1940 · age 1
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-t0627-00954-00736)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Loretta Gier | 16 | Daughter | — | Illinois |
| 42 | Frank J Murray | 55 | Head | Laborer | Illinois |
| 43 | Mary R Murray | 50 | Wife | — | Illinois |
| 44 | James V Mclaughlin | 43 | Brother-in-law | Painter & Decorator | Illinois |
| 45 | Mary Hansell | 67 | Lodger | — | New Jersey |
| 46 | May Mooney | 58 | Head | — | Illinois |
| 47 | Jerome J. Mooney | 29 | Son | Bootlegger | Illinois |
| 48 | William Mooney | 25 | Son | Sorter | Illinois |
| 49 | Josephine Mooney | 11 | Daughter | — | Illinois |
| 50 | Marguerite Mooney | 21 | Daughter-in-law | — | Illinois |
| 51 | Raymond Mooney | 4 | Grand-son | — | Illinois |
| 52 | Martin Varkalis | 54 | Head | — | Lithuania |
| 53 | Helen Varkalis | 20 | Daughter | Clerical | Illinois |
| 54 | Eugenia Varkalis | 18 | Daughter | — | Illinois |
| 55 | Lucille Varkalis | 16 | Daughter | — | Illinois |
| 56 | Peter Ogler | 54 | Head | Boilermaker | Lithuania |
| 57 | Anthony Ogler | 14 | Son | — | Illinois |
| 58 | Edward Dean | 33 | Head | Electric Truck Operator | Kentucky |
| 59 | Veavor Dean | 33 | Wife | — | Tennessee |
| 60 | Edward Jr. Dean | 15 | Son | — | Illinois |
| 61 | James Dean THIS PERSON | 13 | Son | — | Illinois |
| 62 | Lena Dean | 12 | Daughter | — | Illinois |
| 63 | Donald Dean | 10 | Son | — | Illinois |
| 64 | William Dean | 7 | Son | — | Illinois |
| 65 | Bobby Dean | 5 | Son | — | Illinois |
| 66 | Gladys Dean | 1 | Daughter | — | Illinois |
| 67 | Edward Hendry | 50 | Head | Grocery Mgr | Scotland |
| 68 | Jane Hendry | 50 | Wife | — | Scotland |
| 69 | John Hendry | 24 | Son | Machine Operator | Scotland |
| 70 | David Godey | 39 | Head | Surveyor | Illinois |
| 71 | Helen Godey | 32 | Wife | — | Illinois |
| 72 | Herman Stange | 72 | Father-in-law | — | Germany |
| 73 | Joseph Stefan | 56 | Head | Owner Grocery Store | Hungary |
| 74 | Mary Stefan | 46 | Wife | — | Hungary |
| 75 | Joseph Jr. Stefan | 21 | Son | Tool & Die Maker | Illinois |
| 76 | Mary Ann Stefan | 19 | Daughter | Stenographer | Illinois |
| 77 | Rose Stefan | 14 | Daughter | — | Illinois |
| 78 | Paul Psik | 53 | Head | Butcher | Czechoslovakia |
| 79 | Mary Psik | 52 | Wife | — | Yugoslavia |
| 80 | Jerry Psik | 23 | Son | Laborer | 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)