JC
James Casey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Casey across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 6-person household.
Age 70
b. ~1870
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Casey |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | OT |
| Industry | OT |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Ot |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1870 |
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 |
|---|---|---|---|---|
| Mary Casey | Daughter | — | 38 | ~1902 |
| Helen Casey | Daughter | — | 35 | ~1905 |
| James Casey | Head | — | 70 | ~1870 |
| Hanna Cronan | Other | — | 70 | ~1870 |
| Lawrence Casey | Son | — | 37 | ~1903 |
| Nora Casey | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Cook, Illinois
Head, age 51
Cook, Illinois · implied b. ~1869 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1887 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Cooper |
| Industry | Packing Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1895 |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Head, age 60
Cook, Illinois · implied b. ~1870 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Steam Shovel Op |
| Industry | Excavating |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 10000 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Cook-County, Illinois
Head, age 70
Cook-County, Illinois · implied b. ~1870 — 6 household members
| Surname | Casey |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | OT |
| Industry | OT |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Casey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Casey
Head · 1940 · age 70 · b. ~1870 · 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-t0627-00935-00244)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Barbara Connors | 6 | Daughter | — | Illinois |
| 42 | Florence Connors | 5 | Daughter | — | Illinois |
| 43 | Sarah Reynolds | 65 | Maid | Maid | Illinois |
| 44 | — | None | — | — | — |
| 45 | Edward Midkiff | 35 | Head | Clerk | Illinois |
| 46 | Jeanette Midkiff | 35 | Wife | S | Germany |
| 47 | Robert Midkiff | 15 | Son | — | Illinois |
| 48 | Hugo Templeman | 56 | Head | Printer | Sweden |
| 49 | Judith Templeman | 43 | Wife | S | Sweden |
| 50 | Ida White | 72 | Head | S | Indiana |
| 51 | Ella Norris | 61 | Head | — | New York |
| 52 | Mary Norris | 31 | Daughter | Secretary | New York |
| 53 | Christina Merriam | 69 | Head | S | Illinois |
| 54 | Mary Richter | 30 | Daughter | Operator | Minnesota |
| 55 | J. Huntington | 39 | Lodger | Office | Illinois |
| 56 | O. M. Gilbert | 40 | Lodger | Civil Engineer | Missouri |
| 57 | S. D. Murray | 30 | Lodger | Civil Engin | Massachusetts |
| 58 | Lawrence Ryan | 48 | Head | Lawyer | Iowa |
| 59 | Helen Ryan | 42 | Wife | S | Iowa |
| 60 | Grace Cathcart | 20 | Cousin | Stenographer | Alabama |
| 61 | Gerald Ryan | 13 | Son | S | Illinois |
| 62 | James Clotty | 53 | Head | Livery | Illinois |
| 63 | Mary Clotty | 52 | Wife | S | Illinois |
| 64 | Carroll Clotty | 22 | Daughter | S | Illinois |
| 65 | Homer Shields | 44 | Head | Repair | Illinois |
| 66 | Sabina Shields | 44 | Wife | S | Illinois |
| 67 | Jane Shields | 11 | Daughter | — | Illinois |
| 68 | Paul H. Shields | 4 | Son | — | Illinois |
| 69 | James Casey THIS PERSON | 70 | Head | Ot | Ireland |
| 70 | Nora Casey | 65 | Wife | S | Ireland |
| 71 | Mary Casey | 38 | Daughter | S | Illinois |
| 72 | Helen Casey | 35 | Daughter | School Clerk | Illinois |
| 73 | Lawrence Casey | 37 | Son | Salesman | Illinois |
| 74 | Hanna Cronan | 70 | Sister-in-law | Ot | Ireland |
| 75 | John Sterlund | 49 | Head | Laborer | Michigan |
| 76 | Gertrude Sterlund | 41 | Wife | S | Pennsylvania |
| 77 | Juanita Sterlund | 15 | Daughter | S | Ohio |
| 78 | Robert Sterlund | 13 | Son | S | Ohio |
| 79 | Albert Goldberg | 44 | Head | Grocer | Germany |
| 80 | Rose Goldberg | 42 | Wife | S | Germany |
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)