JT
James Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bronx-County, New York
Our Model Tree links this James Thomas across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed), with identified parents Louis & William — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | N.Y. City |
| 1935 Residence (County) | BRONX |
| Additional Details | |
| Occupation | Polisher |
| Industry | Chrome Plating |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 426 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Polisher |
| Township / Ward | Ny City |
| Est. Birth Year | ~1914 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| William Thomas | Head | — | 50 | ~1890 |
| James Thomas | Son | — | 26 | ~1914 |
| William Thomas | Son | — | 23 | ~1917 |
| Kathrine Thomas | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Kings, New …
Son, age 5
Kings, New York · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Son, age 15
Kings, New York · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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 26
Bronx-County, New York · implied b. ~1914 — 4 household members
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | N.Y. City |
| 1935 Residence (County) | BRONX |
| Occupation | Polisher |
| Industry | Chrome Plating |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 426 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Louis Thomas (~0.92 confidence) and father William Thomas (~0.92 confidence) and father Thomas Thomas (~0.92 confidence) and mother Katherine Thomas (~0.92 confidence) and mother Alice Thomas (~0.92 confidence) and mother Kathrine Thomas (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Louis Thomas
b. ~1886
Source father
● Household
· direct · ~0.92
Father
William Thomas
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Thomas Thomas
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Katherine Thomas
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Alice Thomas
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Kathrine Thomas
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Thomas
Son · 1940 · age 26 · b. ~1914 · New York
★ You are viewing this record
Sibling
William Thomas
Sibling · 1940 · age 23
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-t0627-02483-00390)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Sherwood | 42 | Head | — | New York |
| 2 | Vivian Sherwood | 7 | Daughter | — | New York |
| 3 | Peter Beppert | 28 | Head | Barber | New Jersey |
| 4 | Rose Beppert | 27 | Wife | — | New York |
| 5 | Rosemarie Beppert | 5 | Daughter | — | New York |
| 6 | Christine Beppert | 1 | Daughter | — | New York |
| 7 | James Sheehan | 40 | Head | Driver | New York |
| 8 | Catherine Sheehan | 34 | Wife | — | New York |
| 9 | Walter Sheehan | 13 | Son | — | New York |
| 10 | James Sheehan | 10 | Son | — | New York |
| 11 | John Sheehan | 5 | Son | — | New York |
| 12 | Martin Sheehan | 1 | Son | — | New York |
| 13 | William Carr | 36 | Head | Guard | Eire |
| 14 | Catherine Carr | 34 | Wife | — | Eire |
| 15 | William Carr | 1 | Son | — | New York |
| 16 | Thomas F. Corly | 67 | Head | — | Eire |
| 17 | Nora Corly | 63 | Wife | — | Eire |
| 18 | Charles Banner | 40 | Head | Letter Carrier | New York |
| 19 | Clara Banner | 37 | Wife | — | Russia |
| 20 | Lucille Banner | 12 | Daughter | — | New York |
| 21 | Sylvia Banner | 8 | Daughter | — | New York |
| 22 | Michael Cunningham | 39 | Head | Agent | Eire |
| 23 | Helen Cunningham | 40 | Wife | — | Eire |
| 24 | Joseph Cunningham | 9 | Son | — | New York |
| 25 | Marie Cunningham | 3 | Daughter | — | New York |
| 26 | Benjamin Mcgrath | 45 | Head | Platform Man | New Jersey |
| 27 | Christine Mcgrath | 40 | Wife | — | England |
| 28 | William Thomas | 50 | Head | Special Clerk | New York |
| 29 | Kathrine Thomas | 47 | Wife | — | New York |
| 30 | James Thomas THIS PERSON | 26 | Son | Polisher | New York |
| 31 | William J. Thomas | 23 | Son | Special Cop | New York |
| 32 | Walter Phelan | 67 | Head | — | New York |
| 33 | Ella Phelan | 63 | Wife | — | New York |
| 34 | Winfield Gerber | 39 | Head | Painter | New Jersey |
| 35 | Anna Gerber | 37 | Wife | — | New York |
| 36 | Richard Gerber | 13 | Son | — | New York |
| 37 | Peter Queenan | 31 | Head | Starter | Eire |
| 38 | Anna Queenan | 27 | Wife | — | Eire |
| 39 | John Queenan | 6 | Son | — | New York |
| 40 | Loretta Queenan | 2 | Daughter | — | New York |
Pedigree Summary
James + 1 sibling
Gen 1 · 6 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)