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John Knox — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Norfolk-County, Massachusetts
Our Model Tree links this John Knox across the 1930 and 1940 US Censuses in Norfolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Norfolk-County, Massachusetts |
| Surname | Knox |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Weymouth Lovells Corner |
| 1935 Residence (County) | Norfolk |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Weymouth Lovells Corner |
| Est. Birth Year | ~1928 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Knox | Daughter | — | 4 | ~1936 |
| John Knox | Head | — | 52 | ~1888 |
| John Knox | Son | — | 12 | ~1928 |
| Isabelle Knox | Spouse | — | 49 | ~1891 |
| Marion Knox | Daughter | — | 18 | ~1922 |
| Isabella Knox | Daughter | — | 24 | ~1916 |
Census Appearances
1930
Norfolk, Massachusetts
Son, age 2
Norfolk, Massachusetts · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knox |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Norfolk-County, Massachusetts
Son, age 12
Norfolk-County, Massachusetts · implied b. ~1928 — 6 household members
| Surname | Knox |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Weymouth Lovells Corner |
| 1935 Residence (County) | Norfolk |
| Highest Grade | No 6 |
| 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 John Knox across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Knox
Son · 1940 · age 12 · b. ~1928 · Massachusetts
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Sibling
Marion Knox
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Knox
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabella Knox
Sibling · 1940 · age 24
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 — Norfolk-County, Massachusetts
Open full size
1940 US Federal Census — Norfolk-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01634-00376)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lloyd C White | 14 | Son | Erating | Massachusetts |
| 2 | Myrtle R Duxbury | 21 | Daughter | Tube Filler | Massachusetts |
| 3 | Russell A Duxbury | 1 | Gr Son | — | Massachusetts |
| 4 | John Knox | 52 | Head | Carpenter | Scotland |
| 5 | Isabelle Knox | 49 | Wife | — | Scotland |
| 6 | Isabella A Knox | 24 | Daughter | Typist | Scotland |
| 7 | Marion E Knox | 18 | Daughter | Stenographer | Scotland |
| 8 | John J Knox THIS PERSON | 12 | Son | — | Massachusetts |
| 9 | Margaret E Knox | 4 | Daughter | — | Massachusetts |
| 10 | Mark J O'Neil | 64 | Head | — | Massachusetts |
| 11 | Cornelius O'Neil | 66 | Brother | — | Massachusetts |
| 12 | James O'Neil | 56 | Brother | Leather Refinisher | Massachusetts |
| 13 | William H Bartlett | 69 | Head | Steam Engineer | England |
| 14 | Edith Bartlett | 66 | Wife | — | New York |
| 15 | John W Hedden | 66 | Head | Carpenter | Pennsylvania |
| 16 | Elena A Hedden | 47 | Wife | — | England |
| 17 | Mary Dinger | 53 | Head | — | Massachusetts |
| 18 | William E Dinger | 45 | Brother | Marine Steward | Massachusetts |
| 19 | Lyman E Goodrich | 58 | Head | Civil Engineer | Massachusetts |
| 20 | Edith M Goodrich | 55 | Wife | — | Pennsylvania |
| 21 | Margaret Goodrich | 25 | Daughter | Office Treasurer | Massachusetts |
| 22 | Dorothy M Goodrich | 24 | Daughter | Stenographer | Massachusetts |
| 23 | Evelyn F Goodrich | 23 | Daughter | Stenographer | Massachusetts |
| 24 | Everett Delano | 56 | Head | Editor | Massachusetts |
| 25 | Olive M Delano | 54 | Wife | — | Massachusetts |
| 26 | Harry E Gulliver | 27 | Son Law | Owner | New York |
| 27 | Dorothy E Gulliver | 28 | Daughter | — | Massachusetts |
| 28 | Walter A Nisula | 25 | Head | Electric Engineer | Massachusetts |
| 29 | Esther S Nisula | 27 | Wife | — | Massachusetts |
| 30 | Katharine Salmela | 48 | Lodger | — | Finland |
| 31 | Edward Evans | 30 | Head | Auto Mechanic | Massachusetts |
| 32 | Dorothy Evans | 29 | Wife | — | Massachusetts |
| 33 | Nancy L Evans | 9 | Daughter | — | Massachusetts |
| 34 | Dorothy Evans | 8 | Daughter | — | Massachusetts |
| 35 | Albert Puopolo | 29 | Head | Junk Picker | Massachusetts |
| 36 | Elva Puopolo | 29 | Wife | — | Massachusetts |
| 37 | Arthur Puopolo | 7 | Son | — | Massachusetts |
| 38 | Albert Puopolo | 7 | Son | — | Massachusetts |
| 39 | Barbara A Puopolo | 3 | Daughter | — | Massachusetts |
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)