JC
James Curran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Curran across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 7-person household.
Age 19
b. ~1921
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Curran |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Cicero |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Delivery boy |
| Industry | Butcher shop |
| Class of Worker | PW |
| Hours Worked | 6 |
| Income (1939) | 52 |
| Highest Grade | Hs 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Delivery Boy |
| Township / Ward | Chicago |
| Est. Birth Year | ~1921 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| John Curran | Son | — | 15 | ~1925 |
| Thomas Curran | Son | — | 11 | ~1929 |
| Joseph Curran | Head | — | 50 | ~1890 |
| Theresa Curran | Daughter | — | 14 | ~1926 |
| James Curran | Son | — | 19 | ~1921 |
| Rita Curran | Daughter | — | 19 | ~1921 |
| Agnes Curran | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Cook, Illinois
Son, age 10
Cook, Illinois · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curran |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ireland |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 19
Cook-County, Illinois · implied b. ~1921 — 7 household members
| Surname | Curran |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Cicero |
| 1935 Residence (County) | Cook |
| Occupation | Delivery boy |
| Industry | Butcher shop |
| Class of Worker | PW |
| Hours Worked | 6 |
| Income (1939) | 52 |
| Highest Grade | Hs 4 |
| 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 James Curran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Curran
Son · 1940 · age 19 · b. ~1921 · Illinois
★ You are viewing this record
Sibling
Thomas Curran
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Curran
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Curran
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Curran
Sibling · 1940 · age 19
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-t0627-00982-00352)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter Bappas | 40 | Head | Cook | Greece |
| 2 | Rita Bappas | 24 | Wife | — | Greece |
| 3 | Steven Bappas | 7 | Son | — | Illinois |
| 4 | Angeline Bappas | 6 | Daughter | — | Illinois |
| 5 | Thomas Bappas | 3 | Son | — | Illinois |
| 6 | Fredrick Bappas | 1 | Son | — | Illinois |
| 7 | Peter Thompson | 60 | Head | Awning Hanger | Illinois |
| 8 | Anna Thompson | 52 | Wife | — | Illinois |
| 9 | Alvilda Thompson | 28 | Daughter | Packer | Illinois |
| 10 | Anna Thompson | 25 | Daughter | Packer | Illinois |
| 11 | Eleanor Thompson | 22 | Daughter | Packer | Illinois |
| 12 | Calvin Thompson | 20 | Son | Stockman | Illinois |
| 13 | Milford Thompson | 7 | Son | — | Illinois |
| 14 | Jeannette Thompson | 5 | Daughter | — | Illinois |
| 15 | Joseph Curran | 50 | Head | Truck Driver | Illinois |
| 16 | Agnes Curran | 45 | Wife | — | Eire |
| 17 | Rita Curran | 19 | Daughter | Assembler | Illinois |
| 18 | James Curran THIS PERSON | 19 | Son | Delivery Boy | Illinois |
| 19 | John Curran | 15 | Son | — | Illinois |
| 20 | Theresa Curran | 14 | Daughter | — | Illinois |
| 21 | Thomas Curran | 11 | Son | — | Illinois |
| 22 | Peter Anastas | 55 | Head | Own Business | Greece |
| 23 | Georgia Anastas | 45 | Wife | — | Greece |
| 24 | Kathrine Anastas | 14 | Daughter | — | Illinois |
| 25 | Nicholas Anastas | 11 | Son | — | Illinois |
| 26 | Betty Anastas | 7 | Daughter | — | Illinois |
| 27 | Sam Menton | 42 | Head | Waiter | Greece |
| 28 | George Menton | 13 | Son | — | Illinois |
| 29 | John Menton | 57 | Brother | Mechanic | Greece |
| 30 | Bertha Menton | 57 | Sister-in-law | Fruit Cutter | Greece |
| 31 | Tony Gorney | 49 | Head | Freight Conductor | Illinois |
| 32 | Irene Gorney | 49 | Wife | — | Indiana |
| 33 | John Broce | 33 | Head | Salesman | Italy |
| 34 | Angela Broce | 26 | Wife | — | Italy |
| 35 | John Broce | 7 | Son | — | Illinois |
| 36 | Camille Broce | 5 | Daughter | — | Illinois |
| 37 | Robert Broce | 3 | Son | — | Illinois |
| 38 | John Grogan | 49 | Head | Truck Driver | Illinois |
| 39 | Ethel Grogan | 49 | Wife | — | Ohio |
| 40 | John Grogan | 30 | Son | Mechanic | 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)