JC
James Carpenter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Carpenter across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 9-person household.
Age 17
b. ~1923
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Carpenter |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Loretta Carpenter | Daughter | — | 27 | ~1913 |
| Catherine Carpenter | Daughter | — | 19 | ~1921 |
| Eileen Carpenter | Daughter | — | 21 | ~1919 |
| Elizabeth Carpenter | Daughter | — | 12 | ~1928 |
| William Carpenter | Head | — | 54 | ~1886 |
| James Carpenter | Son | — | 17 | ~1923 |
| William Carpenter | Son | — | 25 | ~1915 |
| John Carpenter | Son | — | 15 | ~1925 |
| Loretta Carpenter | Spouse | — | 51 | ~1889 |
Census Appearances
1930
Cook, Illinois
Son, age 7
Cook, Illinois · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carpenter |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 17
Cook-County, Illinois · implied b. ~1923 — 9 household members
| Surname | Carpenter |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Industry | 0 |
| Highest Grade | Hs 2 |
| 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 Carpenter across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Carpenter
Son · 1940 · age 17 · b. ~1923 · Illinois
★ You are viewing this record
Sibling
William Carpenter
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Carpenter
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Carpenter
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Carpenter
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Carpenter
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Carpenter
Sibling · 1940 · age 21
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-t0627-00944-00693)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Virginia Valzas | 23 | Daughter | Beauty Operator | Illinois |
| 42 | Mary Humphrey | 46 | Head | Clerk | Illinois |
| 43 | Mary Humphrey | 75 | Mother | — | Irish Free State |
| 44 | — | None | — | — | — |
| 45 | — | None | — | — | — |
| 46 | Sebastian Teta | 49 | Head | Laborer | Italy |
| 47 | Victoria Teta | 43 | Wife | — | Illinois |
| 48 | Rocco Teta | 22 | Son | New Worker | Illinois |
| 49 | William Teta | 20 | Son | Apprentice | Illinois |
| 50 | Catherine Teta | 18 | Daughter | — | Illinois |
| 51 | Pasquale Teta | 13 | Son | — | Illinois |
| 52 | Mabel Teta | 9 | Daughter | — | Illinois |
| 53 | Edmund Jackson | 29 | Head | Chauffeur | Illinois |
| 54 | Bernice Jackson | 26 | Wife | — | Illinois |
| 55 | Blanche Jackson | 7 | Daughter | — | Illinois |
| 56 | Barbara Jackson | 6 | Daughter | — | Illinois |
| 57 | Theresa Jackson | 3 | Daughter | — | Illinois |
| 58 | William J. Carpenter | 54 | Head | Purch. Agent | Illinois |
| 59 | Loretta Carpenter | 51 | Wife | — | Illinois |
| 60 | Loretta Carpenter | 27 | Daughter | Clerk | Illinois |
| 61 | William Carpenter | 25 | Son | Chauffeur | Illinois |
| 62 | Eileen Carpenter | 21 | Daughter | Clerk | Illinois |
| 63 | Catherine Carpenter | 19 | Daughter | — | Illinois |
| 64 | James Carpenter THIS PERSON | 17 | Son | — | Illinois |
| 65 | John Carpenter | 15 | Son | — | Illinois |
| 66 | Elizabeth Carpenter | 12 | Daughter | — | Illinois |
| 67 | Peter Denham | 64 | Head | — | Lithuania |
| 68 | Albert Gruginski | 35 | Son-in-law | Shipping Clerk | Illinois |
| 69 | Bernice Gruginski | 31 | Daughter | — | Illinois |
| 70 | Lorraine Gruginski | 3 | Granddaughter | — | Illinois |
| 71 | Albert Jr. Gruginski | 2 | Grandson | — | Illinois |
| 72 | William Sr. Anderson | 66 | Head | — | Illinois |
| 73 | Julia Anderson | 64 | Wife | — | Illinois |
| 74 | William Cavanaugh | 18 | Grandson | — | Illinois |
| 75 | James Cavanaugh | 11 | Grandson | — | Illinois |
| 76 | William Anderson | 37 | Head | Accountant | Illinois |
| 77 | Mary Anderson | 23 | Wife | — | Illinois |
| 78 | William Anderson | 5 | Son | — | Illinois |
| 79 | James Cross | 26 | Brother-in-law | Laborer | Illinois |
| 80 | Nina Cross | 25 | Sister-in-law | — | Tennessee |
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)