JH
James Hickey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Hickey across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1910), then head of a 6-person household.
Age 30
b. ~1910
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Hickey |
| Given Name | James J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Livery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2180 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Chauffeur |
| Township / Ward | Chicago |
| Est. Birth Year | ~1910 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Patricia Hickey | Daughter | — | 5 | ~1935 |
| Margaret Hickey | Spouse | — | 29 | ~1911 |
| Robert Hickey | Son | — | 1 | ~1939 |
| James Hickey | Son | — | 8 | ~1932 |
| Margaret Hickey | Daughter | — | 4 | ~1936 |
| James Hickey | Head | — | 30 | ~1910 |
Census Appearances
1930
Cook, Illinois
Other, age 18
Cook, Illinois · implied b. ~1912 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickey |
| Given Name | James |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Irish Free State |
| Occupation | Chauffeur |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 30
Cook-County, Illinois · implied b. ~1910 — 6 household members
| Surname | Hickey |
| Given Name | James J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Chauffeur |
| Industry | Livery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2180 |
| Highest Grade | H 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 Hickey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Hickey
Head · 1940 · age 30 · b. ~1910 · 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-t0627-00954-00687)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eugene Stillwell | 38 | Lodger | Order Clerk | Illinois |
| 2 | Eugene Jr. Stillwell | 16 | Lodger | — | Illinois |
| 3 | Martha Stillwell | 12 | Lodger | — | Illinois |
| 4 | Dale Stillwell | 4 | Lodger | — | Illinois |
| 5 | James J. Hickey THIS PERSON | 30 | Head | Chauffeur | Illinois |
| 6 | Margaret D. Hickey | 29 | Wife | — | New York |
| 7 | James Hickey | 8 | Son | — | Illinois |
| 8 | Patricia Hickey | 5 | Daughter | — | Illinois |
| 9 | Margaret L. Hickey | 4 | Daughter | — | Illinois |
| 10 | Robert Hickey | 1 | Son | — | Illinois |
| 11 | Leonard J. Schuler | 22 | Head | — | Illinois |
| 12 | Anna Schuler | 24 | Wife | — | Illinois |
| 13 | George Schuler | 29 | Son | Shipping Clerk | Illinois |
| 14 | Leonard Schuler | 44 | Son | Pressman | Illinois |
| 15 | Frances Schuler | 43 | Wife | — | Indiana |
| 16 | Albert Smilie | 44 | Head | Engine Repairman | Lithuania |
| 17 | Ellen Smilie | 44 | Wife | — | Lithuania |
| 18 | Jacqueline Smilie | 19 | Daughter | Laborer | Illinois |
| 19 | Albert Smilie | 12 | Son | — | Illinois |
| 20 | Farrell D. Morrison | 26 | Head | Truck Driver | Illinois |
| 21 | Angeline M. Morrison | 31 | Wife | — | Illinois |
| 22 | Robert Morrison | 1 | Son | — | Illinois |
| 23 | Frank W. Hayes | 35 | Head | Elevator Operator | Illinois |
| 24 | Agnes D. Hayes | 29 | Wife | — | Scotland |
| 25 | Ann L. Hayes | 1 | Daughter | — | Illinois |
| 26 | Lawrence W. Pfeiffer | 46 | Head | Shipping Clerk | Illinois |
| 27 | Ethel D. Pfeiffer | 52 | Wife | — | Wisconsin |
| 28 | Claire Pfeiffer | 10 | Daughter | — | Illinois |
| 29 | Raymond Farley | 11 | Stepson | — | Illinois |
| 30 | Helma Bergman | 70 | Head | — | Sweden |
| 31 | Richard Loan | 48 | Head | Machinist | Sweden |
| 32 | Dorothy Loan | 47 | Wife | — | Michigan |
| 33 | Betty Lou Loan | 19 | Daughter | — | Illinois |
| 34 | Maud Loan | 12 | Daughter | — | Illinois |
| 35 | Walter A. Dampbell | 52 | Head | Steam Fitter | Illinois |
| 36 | Jennie Dampbell | 48 | Wife | — | Ireland |
| 37 | Agnes Dampbell | 18 | Daughter | Sewing Machine Operator | Illinois |
| 38 | Agnes Mckeag | 89 | Mother-in-law | — | Northern Ireland |
| 39 | William J. Murphy | 55 | Head | Shipping Clerk | Southern Ireland |
| 40 | Mary D. Murphy | 54 | Wife | — | Southern Ireland |
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)