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.~1926), then head of a 7-person household.
Age 14
b. ~1926
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 | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1926 |
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 | — | 24 | ~1916 |
| Marie Curran | Head | — | 41 | ~1899 |
| Emmett Curran | Son | — | 23 | ~1917 |
| Marie Curran | Daughter | — | 13 | ~1927 |
| William Curran | Son | — | 16 | ~1924 |
| Francis Curran | Son | — | 19 | ~1921 |
| James Curran | Son | — | 14 | ~1926 |
Census Appearances
1930
Cook, Illinois
Son, age 4
Cook, Illinois · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kuran |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Georgia |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 14
Cook-County, Illinois · implied b. ~1926 — 7 household members
| Surname | Curran |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 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 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 14 · b. ~1926 · Illinois
★ You are viewing this record
Sibling
Emmett Curran
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Curran
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Curran
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Curran
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Curran
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
40 people indexed on this census page (nara:1940:m-t0627-01010-00337)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Catherine Mason | 45 | wife | Maid | Wisconsin |
| 42 | Kenneth Turner | 30 | head | Photo Retoucher | Illinois |
| 43 | Lucille Turner | 27 | wife | — | Nebraska |
| 44 | Lois Turner | 5 | daughter | — | Illinois |
| 45 | Bruce Turner | 1 | son | — | Illinois |
| 46 | Evelyn May | 60 | head | — | Minnesota |
| 47 | Edward Beckman | 44 | head | Radio Service Man | Sweden |
| 48 | Lydia Beckman | 43 | wife | — | Minnesota |
| 49 | Lena Masbeagh | 58 | head | — | Illinois |
| 50 | Rudolph Rusch | 53 | brother | Punch Press Operator | Illinois |
| 51 | Theodore Ellis | 40 | head | Taxi Driver | Iowa |
| 52 | Mary Ellis | 39 | wife | — | Kentucky |
| 53 | Jacqueline Ellis | 5 | daughter | — | Illinois |
| 54 | Joan Ellis | 2 | daughter | — | Illinois |
| 55 | Ruby Henderson | 18 | step-daughter | New Worker | Kentucky |
| 56 | Eldon X. Ritchey | 25 | head | Parking Guard | Illinois |
| 57 | Helen Ritchey | 24 | wife | — | Illinois |
| 58 | William Ritchey | 5 | son | — | Illinois |
| 59 | Joseph Maiberger | 33 | brother-in-law | Punch Press Operator | Germany |
| 60 | Violet Maiberger | 30 | sister-in-law | — | Illinois |
| 61 | Ruth Maiberger | 11 | niece | — | Illinois |
| 62 | Joseph Maiberger | 9 | nephew | — | Illinois |
| 63 | Marie Curran | 41 | head | — | Eire |
| 64 | John Curran | 24 | son | Laborer | Illinois |
| 65 | Emmett Curran | 23 | son | Laborer | Illinois |
| 66 | Francis Curran | 19 | son | Laborer | Illinois |
| 67 | William Curran | 16 | son | — | Illinois |
| 68 | James Curran THIS PERSON | 14 | son | — | Illinois |
| 69 | Marie Curran | 13 | daughter | — | Illinois |
| 70 | Arthur Taylor | 24 | head | Auto Mechanic | Illinois |
| 71 | Pauline Taylor | 22 | wife | — | Kansas |
| 72 | Patricia Taylor | 2 | daughter | — | Illinois |
| 73 | Maxine Turner | 22 | lodger | Stenographer | Kansas |
| 74 | John Faber | 37 | head | Factory Laborer | Germany |
| 75 | Emily Faber | 24 | wife | Factory Laborer | Illinois |
| 76 | Ralph Ricketts | 60 | head | Elevator Operator | Iowa |
| 77 | Mary Ricketts | 58 | wife | — | Illinois |
| 78 | Marion Ricketts | 23 | daughter | Stenographer | Illinois |
| 79 | Frank Schufinger | 76 | head | — | Austria |
| 80 | Freida Schufinger | 79 | wife | — | 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)