JT
James Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this James Thomas across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Thomas |
| Given Name | James H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Peabody City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Meat cutter |
| Industry | Grocery store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Meat Cutter |
| Township / Ward | Peabody 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Virginia Thomas | Daughter | — | 3 | ~1937 |
| James Thomas | Head | — | 26 | ~1914 |
| Mary Thomas | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Essex, Massachusetts
Son, age 6
Essex, Massachusetts · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 16
Essex, Massachusetts · implied b. ~1914 — 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 | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Salesman |
| Industry | Department Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Head, age 26
Essex-County, Massachusetts · implied b. ~1914 — 3 household members
| Surname | Thomas |
| Given Name | James H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Peabody City |
| 1935 Residence (County) | Essex |
| Occupation | Meat cutter |
| Industry | Grocery store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 John Thomas (~0.92 confidence) and father John Thomas (~0.92 confidence) and mother Agnes Thomas (~0.92 confidence) and mother Agnes Thomas (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Thomas
b. ~1884
Source father
● Household
· direct · ~0.92
Father
John Thomas
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Agnes Thomas
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Agnes Thomas
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Thomas
Head · 1940 · age 26 · b. ~1914 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01588-00160)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John J. O'Keefe | 47 | Head | Bleacher | Massachusetts |
| 2 | Hazel C. O'Keefe | 26 | Wife | — | Vermont |
| 3 | James H. Thomas THIS PERSON | 26 | Head | Meat Cutter | Massachusetts |
| 4 | Mary A. Thomas | 21 | Wife | — | Massachusetts |
| 5 | Virginia Thomas | 3 | Daughter | — | Massachusetts |
| 6 | Martin J. Quirk|Quinlan | 60 | Head | Officer | Massachusetts |
| 7 | Mary E. Quirk|Quinlan | 55 | Wife | — | Massachusetts |
| 8 | Lawrence M. Quirk|Quinlan | 19 | Son | New Worker | Massachusetts |
| 9 | Florence L. Atwood | 43 | Sister-in-law | Cutter | Massachusetts |
| 10 | Janet L. Atwood | 9 | Niece | — | Maine |
| 11 | Forest A. Wiggins | 48 | Head | Automobile Salesman | Massachusetts |
| 12 | Mary Wiggins | 41 | Wife | Office Manager | Massachusetts |
| 13 | Cornelius G. Cullinan | 49 | Head | Foreman | Ireland |
| 14 | Mary J. Cullinan | 40 | Head | Parlor Maid | Ireland |
| 15 | Agnes Cullinan | 40 | Sister | — | Ireland |
| 16 | Basil S. Kohut | 41 | Head | Driver | Poland |
| 17 | Anastasia Kohut | 34 | Wife | — | Massachusetts |
| 18 | Sophia Kohut | 18 | Daughter | New Worker | Massachusetts |
| 19 | John R. Kohut | 10 | Son | — | Massachusetts |
| 20 | Richard A. Kohut | 9 | Son | — | Massachusetts |
| 21 | Mary A. Kohut | 5 | Daughter | — | Massachusetts |
| 22 | John Kohut | 41 | Brother | Seasoner | Poland |
| 23 | Michael Sullivan | 67 | Head | Foreman | Massachusetts |
| 24 | Ellen A. Sullivan | 61 | Sister | — | Massachusetts |
| 25 | Mary A. Sullivan | 65 | Sister | Sample Maker | Massachusetts |
| 26 | Bridget G. Shea | 49 | Sister | — | Massachusetts |
| 27 | John G. De Coulos | 46 | Head | Buffer | Greece |
| 28 | Catherine De Coulos | 44 | Wife | — | Greece |
| 29 | Mary De Coulos | 23 | Daughter | Accountant | Greece |
| 30 | Ann De Coulos | 21 | Daughter | Designer | Massachusetts |
| 31 | Penelope De Coulos | 20 | Daughter | Clerical Worker | New Hampshire |
| 32 | Elaine De Coulos | 15 | Daughter | — | Massachusetts |
| 33 | Anthony Magusky | 59 | Head | Tanner | Poland |
| 34 | Sophie Magusky | 51 | Wife | — | Poland |
| 35 | Josephine Magusky | 20 | Daughter | Radio Tube | Pennsylvania |
| 36 | Anna Magusky | 18 | Daughter | Radio Tube | Pennsylvania |
| 37 | Adolph Magusky | 16 | Son | New Worker | Pennsylvania |
| 38 | Walter Magusky | 13 | Son | — | Massachusetts |
| 39 | Pauline Magusky | 13 | Daughter | — | Massachusetts |
| 40 | Stella Magusky | 11 | Daughter | — | Massachusetts |
Pedigree Summary
James
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)