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John Macdonald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Macdonald across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 5-person household.
Age 55
b. ~1885
Male
Head
Born: Nova Scotia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Macdonald |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Nova Scotia |
| 1935 Residence (City) | City Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Longshoreman |
| Industry | Waterfront |
| Class of Worker | PW |
| Hours Worked | 7 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birthplace (normalized) | nova scotia |
| Occupation | Longshoreman |
| Township / Ward | City Boston |
| Est. Birth Year | ~1885 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Macdonald | Spouse | — | 53 | ~1887 |
| John Macdonald | Head | — | 55 | ~1885 |
| Dorothy Macdonald | Daughter | — | 21 | ~1919 |
| Edward Macdonald | Son | — | 14 | ~1926 |
| William Macdonald | Son | — | 25 | ~1915 |
Census Appearances
1920
Plymouth, Massachusetts
Head, age 35
Plymouth, Massachusetts · implied b. ~1885 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacDonald |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Nova Scotia |
| Year of Immigration | 1898 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Nova Scotia |
| Mother's Birthplace | Nova Scotia |
| Occupation | Laborer |
| Industry | Dye Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birthplace (normalized) | nova scotia |
1930
Middlesex, Massachusetts
Head, age 45
Middlesex, Massachusetts · implied b. ~1885 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacDonald |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Nova Scotia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 24 |
| Father's Birthplace | Nova Scotia |
| Mother's Birthplace | Nova Scotia |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Birthplace (normalized) | nova scotia |
1940
Suffolk-County, Massachusetts
Head, age 55
Suffolk-County, Massachusetts · implied b. ~1885 — 5 household members
| Surname | Macdonald |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Nova Scotia |
| 1935 Residence (City) | City Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Occupation | Longshoreman |
| Industry | Waterfront |
| Class of Worker | PW |
| Hours Worked | 7 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birthplace (normalized) | nova scotia |
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 Macdonald across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
John Macdonald
Head · 1940 · age 55 · b. ~1885 · 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
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01657-00488)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joan Lucette | 15 | Niece | — | Massachusetts |
| 42 | Elmer Ring | 49 | Head | Chauffeur | Massachusetts |
| 43 | Grace Ring | 48 | Wife | — | Massachusetts |
| 44 | Horace Ring | 26 | Son | — | Massachusetts |
| 45 | Margaret Ring | 21 | Daughter | Operator | Massachusetts |
| 46 | Elmer Jr. Ring | 20 | Son | Laborer | Massachusetts |
| 47 | Russell Ring | 16 | Son | — | Massachusetts |
| 48 | Barbara Ring | 13 | Daughter | — | Massachusetts |
| 49 | Donald Ring | 5 | Son | — | Massachusetts |
| 50 | Burt Milroy | 52 | Head | Chauffeur | New Brunswick |
| 51 | Rita Milroy | 42 | Wife | — | Massachusetts |
| 52 | Mildred Milroy | 27 | Daughter | — | Massachusetts |
| 53 | Ruth Milroy | 21 | Daughter | Prospector | Massachusetts |
| 54 | Edward Shepherd | 31 | Head | Yard Man | Massachusetts |
| 55 | Lillian Shepherd | 28 | Wife | — | Massachusetts |
| 56 | Edmund Shepherd | 8 | Son | — | Massachusetts |
| 57 | Clara Shepherd | 6 | Daughter | — | Massachusetts |
| 58 | Evelyn Shepherd | 4 | Daughter | — | Massachusetts |
| 59 | Joseph Moncette | 31 | Head | Deck Hand | Massachusetts |
| 60 | Mildred Moncette | 28 | Wife | — | Massachusetts |
| 61 | Arthur Moncette | 11 | Son | — | Massachusetts |
| 62 | Delores Moncette | 9 | Daughter | — | Massachusetts |
| 63 | Charles Moncette | 8 | Son | — | Massachusetts |
| 64 | Robert Moncette | 5 | Son | — | Massachusetts |
| 65 | Walter Moncette | 3 | Son | — | Massachusetts |
| 66 | Marilyn Moncette | 1 | Daughter | — | Massachusetts |
| 67 | John Macdonald THIS PERSON | 55 | Head | Longshoreman | Nova Scotia |
| 68 | Margaret Macdonald | 53 | Wife | — | Nova Scotia |
| 69 | William Macdonald | 25 | Son | — | Massachusetts |
| 70 | Dorothy Macdonald | 21 | Daughter | Cutter | Massachusetts |
| 71 | Edward Macdonald | 14 | Son | — | Massachusetts |
| 72 | Patrick Mccormack | 44 | Head | Lumper | Newfoundland |
| 73 | Ellen Mccormack | 47 | Wife | — | Newfoundland |
| 74 | Margaret Mccormack | 9 | Daughter | — | Massachusetts |
| 75 | Hubert Mccormack | 9 | Son | — | Massachusetts |
| 76 | James Mccormack | 8 | Son | — | Massachusetts |
| 77 | Francis Mccormack | 7 | Son | — | Massachusetts |
| 78 | Regina Mccormack | 6 | Daughter | — | Massachusetts |
| 79 | Mary Mccormack | 4 | Daughter | — | Massachusetts |
| 80 | Ellen Mccormack | 2 | 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)