JC
James Caldwell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bronx-County, New York
Our Model Tree links this James Caldwell across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed), with identified parents Robert & James — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | Caldwell |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Bronx |
| Additional Details | |
| Occupation | Laborer |
| Industry | Post Office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1550 |
| Highest Grade | Hs 4 |
| 1935 Residence | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Laborer |
| Township / Ward | New York City |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Caldwell | Daughter | — | 10 | ~1930 |
| Margaret Caldwell | Daughter | — | 16 | ~1924 |
| Robert Caldwell | Head | — | 54 | ~1886 |
| James Caldwell | Son | — | 22 | ~1918 |
| Harold Caldwell | Son | — | 20 | ~1920 |
Census Appearances
1920
Kings, New …
Son, age 1
Kings, New York · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coldwell |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Son, age 12
Kings, New York · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | James F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Bronx-County, New …
Son, age 22
Bronx-County, New York · implied b. ~1918 — 5 household members
| Surname | Caldwell |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Bronx |
| Occupation | Laborer |
| Industry | Post Office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1550 |
| Highest Grade | Hs 4 |
| 1935 Residence | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Caldwell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Caldwell (~0.92 confidence) and father James Coldwell (~0.92 confidence) and father James Caldwell (~0.92 confidence) and mother Edith Coldwell (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Caldwell
b. ~1886
Source father
● Household
· direct · ~0.92
Father
James Coldwell
b. ~1893
Source father
● Household
· direct · ~0.92
Father
James Caldwell
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Edith Coldwell
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Caldwell
Son · 1940 · age 22 · b. ~1918 · New York
★ You are viewing this record
Sibling
Harold Caldwell
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Caldwell
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Caldwell
Sibling · 1940 · age 16
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 — Bronx-County, New York
Open full size
1940 US Federal Census — Bronx-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02472-00318)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jerome Finn | 4 | Son | — | New York |
| 42 | Albert Hanau | 55 | Head | Proprietor | Germany |
| 43 | Amelia Hanau | 85 | Aunt | — | Germany |
| 44 | Albert Turner | 29 | Head | Elevator Operator | New York |
| 45 | Dorothy Turner | 25 | Wife | — | New York |
| 46 | James Turner | 2 | Son | — | New York |
| 47 | Alwine Schnorr | 53 | Head | Attendant | Germany |
| 48 | Lorenz Engl | 32 | Son-in-law | House Painter | Germany |
| 49 | Otti Engl | 25 | Daughter | Waitress | Germany |
| 50 | Robert H. Caldwell | 54 | Head | Mail Carrier | New York |
| 51 | James Caldwell THIS PERSON | 22 | Son | Laborer | New York |
| 52 | Harold Caldwell | 20 | Son | — | New York |
| 53 | Margaret Caldwell | 16 | Daughter | — | New York |
| 54 | Dorothy Caldwell | 10 | Daughter | — | New York |
| 55 | Peter Christon | 25 | Head | Driver | Rhodes |
| 56 | Effie Christon | 25 | Wife | Dressmaker | Greece |
| 57 | Extra Line | None | CANCELLED | — | — |
| 58 | Michael Brennan | 49 | Head | Plasterer | England |
| 59 | Anna Brennan | 49 | Wife | Time Clerk | Germany |
| 60 | Michael Brennan | 78 | Father | — | Eire |
| 61 | Lester Leet | 49 | Head | Porter | Pennsylvania |
| 62 | Mary Leet | 52 | Wife | Antiquing | Eire |
| 63 | Fred Kastner | 26 | Head | Elevator Operator | New Jersey |
| 64 | Rita Kastner | 23 | Wife | Business Machine Operator | New York |
| 65 | John Mcgee | 32 | Head | Bus Driver | Scotland |
| 66 | Mena Mcgee | 33 | Wife | — | Wales |
| 67 | Marilyn Mcgee | 5 | Daughter | — | New York |
| 68 | James Mcgee | 3 | Son | — | New York |
| 69 | Eugene Garlington | 30 | Head | Electrician | New York |
| 70 | Eugenia Garlington | 51 | Mother | Maid | Poland |
| 71 | Elsie Garlington | 18 | Sister | Packer | New York |
| 72 | William Colella | 30 | Head | Signal Operator | Delaware |
| 73 | Catherine Colella | 32 | Wife | Packer | New York |
| 74 | Ralph Colella | 5 | Son | — | New York |
| 75 | Mary T. Colella | 1 | Daughter | — | New York |
| 76 | John Weber | 48 | Head | Proprietor | New York |
| 77 | Camille Weber | 47 | Wife | — | New York |
| 78 | Virginia Weber | 22 | Daughter | — | New York |
| 79 | John Weber | 19 | Son | Typist | New York |
| 80 | Frederick Roth | 42 | Head | Labor Foreman | New York |
Pedigree Summary
James + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)