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John Davidson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Providence-County, Rhode Island
Our Model Tree links this John Davidson across the 1920, 1930 and 1940 US Censuses in Providence-County, Rhode Island (XGBoost, ~Confirmed) — first a head (b.~1896), then head of a 7-person household.
Age 44
b. ~1896
Male
Head
Born: Rhode Island
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Providence-County, Rhode Island |
| Surname | Davidson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Pawtucket City |
| 1935 Residence (County) | Providence |
| Additional Details | |
| Occupation | Mason's helper |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 686 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Mason'S Helper |
| Township / Ward | Pawtucket City |
| Est. Birth Year | ~1896 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Davidson | Daughter | — | 9 | ~1931 |
| John Davidson | Head | — | 44 | ~1896 |
| Harry Davidson | Son | — | 7 | ~1933 |
| William Davidson | Son | — | 13 | ~1927 |
| John Davidson | Son | — | 10 | ~1930 |
| George Davidson | Son | — | 3 | ~1937 |
| Ada Davidson | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Providence, Rhode …
Other, age 22
Providence, Rhode Island · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | John |
| Relationship to Head | boarder |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Occupation | laborer |
| Industry | coal yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Providence, Rhode …
Head, age 32
Providence, Rhode Island · implied b. ~1898 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Age at First Marriage | 25 |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Occupation | sign painter |
| Industry | outside |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 19 |
| Veteran | Yes WW |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Providence-County, Rhode …
Head, age 44
Providence-County, Rhode Island · implied b. ~1896 — 7 household members
| Surname | Davidson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Pawtucket City |
| 1935 Residence (County) | Providence |
| Occupation | Mason's helper |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 686 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| 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 Davidson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Davidson
Head · 1940 · age 44 · b. ~1896 · Rhode Island
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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-t0627-03768-00819)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Metrombley | 10 | Son | — | Rhode Island |
| 2 | Ellen Roach | 86 | Mother-in-law | — | Eire |
| 3 | — | None | — | — | — |
| 4 | Raymond Brimeau | 23 | Head | Adjuster | Rhode Island |
| 5 | Marjorie Brimeau | 21 | Wife | Quiller | Rhode Island |
| 6 | Aurora Laureiro | 52 | Head | — | Portugal |
| 7 | Antonio Paiva | 34 | Head | Shipping Clerk | Portugal |
| 8 | Conceicao Paiva | 28 | Wife | Packer | Brazil |
| 9 | Antonio Paiva | 6 | Son | — | Rhode Island |
| 10 | Mauricio Paiva | 5 | Son | — | Rhode Island |
| 11 | John Davidson THIS PERSON | 44 | Head | Mason'S Helper | Rhode Island |
| 12 | Ada Davidson | 43 | Wife | — | Rhode Island |
| 13 | William Davidson | 13 | Son | — | Rhode Island |
| 14 | John Jr Davidson | 10 | Son | — | Rhode Island |
| 15 | Mary Davidson | 9 | Daughter | — | Rhode Island |
| 16 | Harry Davidson | 7 | Son | — | Rhode Island |
| 17 | George Davidson | 3 | Son | — | Rhode Island |
| 18 | John Mcparlin | 40 | Head | Curb Setter | Rhode Island |
| 19 | Helen Mcparlin | 38 | Wife | — | Rhode Island |
| 20 | Beatrice Mcparlin | 19 | Daughter | Sewer | Rhode Island |
| 21 | Arthur Mcparlin | 16 | Son | — | Rhode Island |
| 22 | John Mcparlin | 14 | Son | — | Rhode Island |
| 23 | Theresa Mcparlin | 13 | Daughter | — | Rhode Island |
| 24 | Dorothy Mcparlin | 12 | Daughter | — | Rhode Island |
| 25 | Irene Mcparlin | 10 | Daughter | — | Rhode Island |
| 26 | James Mcparlin | 10 | Son | — | Rhode Island |
| 27 | Grover Mcparlin | 7 | Son | — | Rhode Island |
| 28 | Barbara Mcparlin | 4 | Daughter | — | Rhode Island |
| 29 | Edward Mcparlin | 1 | Son | — | Rhode Island |
| 30 | Julia Gallagher | 72 | Head | — | Rhode Island |
| 31 | Joseph Gallagher | 27 | Son | Mixer | Rhode Island |
| 32 | Mary Gallagher | 69 | Sister | — | Rhode Island |
| 33 | William Brown | 48 | Head | Belt Man | Rhode Island |
| 34 | Elizabeth Brown | 42 | Wife | — | Scotland |
| 35 | William Jr Brown | 22 | Son | Clerk | Rhode Island |
| 36 | Elizabeth Brown | 20 | Daughter | Winder | Rhode Island |
| 37 | Helen Brown | 19 | Daughter | New Worker | Rhode Island |
| 38 | Earl Brown | 17 | Son | Landscaping | Rhode Island |
| 39 | Myrtle Brown | 14 | Daughter | — | Rhode Island |
| 40 | Hope Brown | 11 | Daughter | — | Rhode Island |
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)