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John Simpson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Providence-County, Rhode Island
Our Model Tree links this John Simpson across the 1920, 1930 and 1940 US Censuses in Providence-County, Rhode Island (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: Rhode Island
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Providence-County, Rhode Island |
| Surname | Simpson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Pawtucket City |
| 1935 Residence (County) | Providence |
| Additional Details | |
| Occupation | machinist helper |
| Industry | machine shop |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 844 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Machinist Helper |
| Township / Ward | Pawtucket City |
| Est. Birth Year | ~1917 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Simpson | Head | — | 67 | ~1873 |
| John Simpson | Son | — | 23 | ~1917 |
| Martha Simpson | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Providence, Rhode …
Son, age 3
Providence, Rhode Island · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Occupation | none |
| Mother Tongue | English |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Providence, Rhode …
Son, age 13
Providence, Rhode Island · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Providence-County, Rhode …
Son, age 23
Providence-County, Rhode Island · implied b. ~1917 — 3 household members
| Surname | Simpson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Pawtucket City |
| 1935 Residence (County) | Providence |
| Occupation | machinist helper |
| Industry | machine shop |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 844 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 John Simpson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Simpson (~0.92 confidence) and father John Simpson (~0.92 confidence) and mother Martha Simpson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Simpson
b. ~1873
Source father
● Household
· direct · ~0.92
Father
John Simpson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Martha Simpson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Simpson
Son · 1940 · age 23 · b. ~1917 · Rhode Island
★ 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 — Providence-County, Rhode Island
Open full size
1940 US Federal Census — Providence-County, Rhode Island
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03768-00108)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas H Truesdale | 39 | Head | Police Inspector | Rhode Island |
| 2 | Esther S Truesdale | 38 | Wife | None | Mass. |
| 3 | Marjorie Truesdale | 17 | Daughter | Salesgirl | Rhode Island |
| 4 | Bruce A Truesdale | 10 | Son | — | Rhode Island |
| 5 | Joseph Lapierre | 49 | Head | Lineman | Rhode Island |
| 6 | Georgiana Lapierre | 32 | Wife | Gluer | Mass. |
| 7 | Alfred Coletta | 24 | Head | Barber | Rhode Island |
| 8 | Clara Coletta | 29 | Wife | Weaver | Rhode Island |
| 9 | George Leggat | 36 | Head | Machinist | Rhode Island |
| 10 | Edith Leggat | 36 | Wife | None | England |
| 11 | Donald Leggat | 10 | Son | — | Rhode Island |
| 12 | Jean Leggat | 3 | Daughter | — | Rhode Island |
| 13 | John Simpson | 67 | Head | Machinist Helper | Scotland |
| 14 | Martha S Simpson | 64 | Wife | None | England |
| 15 | John Simpson THIS PERSON | 23 | Son | Machinist Helper | Rhode Island |
| 16 | Ronald Pletcher | 40 | Head | Boring Machine | Rhode Island |
| 17 | Margaret Pletcher | 37 | Wife | None | Rhode Island |
| 18 | Mary Pletcher | 13 | Daughter | — | Rhode Island |
| 19 | Elie Jacob | 58 | Head | Stair Builder | Syria |
| 20 | Marie Jacob | 53 | Wife | None | Syria |
| 21 | Melvina Jacob | 29 | Daughter | Salesgirl | Rhode Island |
| 22 | Jennie Jacob | 26 | Daughter | None | Rhode Island |
| 23 | Mae Jacob | 21 | Daughter | New Worker | Rhode Island |
| 24 | Raymond Gregory | 35 | Head | Stock Clerk | Rhode Island |
| 25 | Alice Gregory | 32 | Wife | None | England |
| 26 | Barbara Gregory | 6 | Daughter | — | Rhode Island |
| 27 | Beverly Gregory | 2 | Daughter | — | Rhode Island |
| 28 | Tom Hargreaves | 55 | Head | Assembler | England |
| 29 | Minnie Hargreaves | 54 | Wife | None | England |
| 30 | Arthur Allsop | 48 | Head | Overseer | England |
| 31 | Elizabeth Allsop | 39 | Wife | Weaver | England |
| 32 | Dorothy Allsop | 7 | Daughter | — | Rhode Island |
| 33 | Luthanna Allsop | 72 | Mother | — | England |
| 34 | Albert Gustafson | 45 | Head | Front Tender | N. York |
| 35 | Anna Gustafson | 44 | Wife | None | Rhode Island |
| 36 | Albert Gustafson | 9 | Son | — | Rhode Island |
| 37 | Charles Sontis | 41 | Head | Compressor Op | Italy |
| 38 | Ellen Sontis | 44 | Wife | None | England |
| 39 | Herbert Booth | 17 | Step son | — | Rhode Island |
| 40 | Ann Sontis | 5 | Daughter | — | Rhode Island |
Pedigree Summary
John
Gen 1 · 3 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)