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John Mcdonald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Mcdonald across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 3-person household.
Age 64
b. ~1876
Male
Head
Born: Canada
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McDonald |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Canada |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | G-8 |
| 1935 Residence | Same Town |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
| Township / Ward | Boston City |
| Est. Birth Year | ~1876 |
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 |
|---|---|---|---|---|
| Mary Mcdonald | Daughter | — | 24 | ~1916 |
| John Mcdonald | Head | — | 64 | ~1876 |
| Maude Mcdonald | Spouse | — | 66 | ~1874 |
Census Appearances
1920
Suffolk, Massachusetts
Head, age 45
Suffolk, Massachusetts · implied b. ~1875 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacDonald |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Canada |
| Year of Immigration | 1895 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Occupation | Dressmaker |
| Industry | Dressmaking |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
Head, age 54
Suffolk, Massachusetts · implied b. ~1876 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacDonald |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Canada |
| Naturalization Status | Naturalized |
| Year of Immigration | 1896 |
| Age at First Marriage | 37 |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Occupation | Cook |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 9000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
1940
Suffolk-County, Massachusetts
Head, age 64
Suffolk-County, Massachusetts · implied b. ~1876 — 3 household members
| Surname | McDonald |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Canada |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | G-8 |
| 1935 Residence | Same Town |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
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 Mcdonald across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mcdonald
Head · 1940 · age 64 · b. ~1876 · Massachusetts
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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 — Suffolk-County, Massachusetts
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1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
33 people indexed on this census page (nara:1940:m-t0627-01670-00130)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Cantillo | 39 | Head | Roofer | America |
| 2 | Bertha Cantillo | 33 | Wife | — | Massachusetts |
| 3 | Joseph Jr. Cantillo | 8 | Son | — | Massachusetts |
| 4 | Dorothy Cantillo | 6 | Daughter | — | Massachusetts |
| 5 | Julius Glassman | 40 | Head | Bookkeeper | Russia |
| 6 | Lillian Glassman | 39 | Wife | — | Russia |
| 7 | Sidney Glassman | 20 | Son | Mechanic | Massachusetts |
| 8 | Harold Glassman | 17 | Son | — | Massachusetts |
| 9 | Elliott Glassman | 12 | Son | — | Massachusetts |
| 10 | Adeline Glassman | 5 | Daughter | — | Massachusetts |
| 11 | Edward Shah | 50 | Head | Laborer | Massachusetts |
| 12 | Marie Shah | 24 | Wife | Operator | Massachusetts |
| 13 | Raymond Shah | 4 | Son | — | Massachusetts |
| 14 | Victor Bonaceto | 58 | Head | Carpenter | Italy |
| 15 | Carrie Bonaceto | 58 | Wife | — | Italy |
| 16 | Louis Bonaceto | 28 | Son | Plumber | Massachusetts |
| 17 | Arthur Bonaceto | 24 | Son | Laborer | Massachusetts |
| 18 | Josephine Bonaceto | 26 | Daughter | Lumper | Massachusetts |
| 19 | George Bonaceto | 17 | Son | — | Massachusetts |
| 20 | Alphonso Bonaceto | 25 | Son | — | Massachusetts |
| 21 | Emile Bonaceto | 25 | Daughter | Stitcher | Massachusetts |
| 22 | John Mcdonald THIS PERSON | 64 | Head | — | Canada |
| 23 | Maude Mcdonald | 66 | Wife | — | England |
| 24 | Mary Mcdonald | 24 | Daughter | Teacher | Massachusetts |
| 25 | Albert Patterson | 25 | Head | Chauffer | Massachusetts |
| 26 | Helen Patterson | 24 | Wife | — | Massachusetts |
| 27 | Elias Prell | 29 | Head | — | Illinois |
| 28 | Harry Prell | 8 | Son | — | Massachusetts |
| 29 | Eben Macaster | 60 | Head | Salesman | Scotland |
| 30 | Joanna Macaster | 58 | Wife | — | Scotland |
| 31 | Francis Malvey | 30 | Head | Cutter | Massachusetts |
| 32 | Marion Malvey | 28 | Daughter | Office Clerk | Massachusetts |
| 33 | Emile Malvey | 23 | Daughter | Office Clerk | Massachusetts |
Related Census Records
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)