TJ
Thomas Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Thomas Jones across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Thomas & Mary — first a head (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Jones |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Salesman |
| Industry | Marine |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Salesman |
| Township / Ward | Boston City |
| Est. Birth Year | ~1913 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Katherine Jones | Daughter | — | 1 | ~1939 |
| Thomas Jones | Head | — | 27 | ~1913 |
| Katherine Finch | Other | — | 47 | ~1893 |
| Thomas Jones | Son | — | 4 | ~1936 |
| Alice Jones | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 6
Suffolk, Massachusetts · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 16
Suffolk, Massachusetts · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Clerk |
| Industry | Watch factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 27
Suffolk-County, Massachusetts · implied b. ~1913 — 5 household members
| Surname | Jones |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Occupation | Salesman |
| Industry | Marine |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1300 |
| 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 Thomas Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Jones (~0.92 confidence) and mother Mary Jones (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Jones
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Mary Jones
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Jones
Head · 1940 · age 27 · b. ~1913 · 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01669-00479)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John J Sillibone | 40 | Head | Milkman | Florida |
| 42 | Mary Sillibone | 38 | Wife | — | Florida |
| 43 | James Sillibone | 9 | Son | — | Massachusetts |
| 44 | John D Martin | 30 | Head | — | Massachusetts |
| 45 | Mary Martin | 29 | Wife | — | Massachusetts |
| 46 | Thomas Martin | 1 | Son | — | Massachusetts |
| 47 | Catherine D Kirby | 69 | Head | — | Irish Free State |
| 48 | Joseph Coddle | 33 | Head | Operator | Massachusetts |
| 49 | Anne Coddle | 30 | Wife | — | Massachusetts |
| 50 | Joseph Coddle | 7 | Son | — | Massachusetts |
| 51 | John Coddle | 5 | Son | — | Massachusetts |
| 52 | John Morrisby | 40 | Head | Salesman | Oregon |
| 53 | Marie Morrisby | 40 | Wife | — | Oregon |
| 54 | James Elson | 38 | Head | Brakeman | Massachusetts |
| 55 | Edward J Spellman | 49 | Head | Operator | Irish Free State |
| 56 | Catherine Spellman | 47 | Wife | — | Irish Free State |
| 57 | Edward Spellman | 26 | Son | — | Massachusetts |
| 58 | John Spellman | 26 | Son | Truck Driver | Massachusetts |
| 59 | Thomas Spellman | 23 | Son | — | Massachusetts |
| 60 | Mary Spellman | 16 | Daughter | — | Massachusetts |
| 61 | Catherine Spellman | 12 | Daughter | — | Massachusetts |
| 62 | Rita Spellman | 10 | Daughter | — | Massachusetts |
| 63 | Michael J Spellman | 53 | Head | Laborer | Ireland N |
| 64 | Anne Spellman | 51 | Wife | — | Irish Free State |
| 65 | James Spellman | 21 | Son | Clerk Delivery | Massachusetts |
| 66 | Margaret Spellman | 19 | Daughter | — | Massachusetts |
| 67 | Lawrence Spellman | 14 | Son | — | Massachusetts |
| 68 | Ernest V Bertrand | 39 | Head | Mechanic | Canada French |
| 69 | Mildred Bertrand | 38 | Wife | — | Massachusetts |
| 70 | Anne Bertrand | 6 | Daughter | — | Massachusetts |
| 71 | Jacquelyn Bertrand | 3 | Daughter | — | Massachusetts |
| 72 | Thomas Jones THIS PERSON | 27 | Head | Salesman | Massachusetts |
| 73 | Alice Jones | 29 | Wife | — | Massachusetts |
| 74 | Thomas Jones | 4 | Son | — | Massachusetts |
| 75 | Katherine Jones | 1 | Daughter | — | Massachusetts |
| 76 | Katherine Finch | 47 | Mother | Waitress | Irish Free State |
| 77 | Joseph Spieghaler | 42 | Head | Underhand | Canada French |
| 78 | Josephine Spieghaler | 35 | Wife | — | Massachusetts |
| 79 | Theresa Spieghaler | 10 | Daughter | — | Massachusetts |
| 80 | Roberta Spieghaler | 9 | Daughter | — | Massachusetts |
Pedigree Summary
Thomas
Gen 1 · 2 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)