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Joseph Mcdonald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Joseph Mcdonald across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 7-person household.
Age 53
b. ~1887
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McDonald |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Baker |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 1508 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Baker |
| Township / Ward | Boston City |
| Est. Birth Year | ~1887 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Vincent Mcdonald | Son | — | 20 | ~1920 |
| Lilian Mcdonald | Daughter | — | 15 | ~1925 |
| Robert Mcdonald | Son | — | 24 | ~1916 |
| Joseph Mcdonald | Head | — | 53 | ~1887 |
| Agnes Mcdonald | Spouse | — | 50 | ~1890 |
| George Mcdonald | Son | — | 9 | ~1931 |
| William Mcdonald | Son | — | 17 | ~1923 |
Census Appearances
1930
Suffolk, Massachusetts
Other, age 43
Suffolk, Massachusetts · implied b. ~1887 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonnell |
| Given Name | Joseph |
| Relationship to Head | Cousin |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Bookkeeper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 53
Suffolk-County, Massachusetts · implied b. ~1887 — 7 household members
| Surname | McDonald |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Baker |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 1508 |
| Highest Grade | No 8 |
| 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 Joseph Mcdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Joseph Mcdonald
Head · 1940 · age 53 · b. ~1887 · 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-t0627-01679-00034)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Josephine M O'Brien | 30 | Daughter | Stenographer | Massachusetts |
| 2 | John P O'Brien | 24 | Son | Laborer | Massachusetts |
| 3 | John J Royke | 36 | Head | Structural Ironworker | Newfoundland |
| 4 | Eileen P Royke | 28 | Wife | — | Massachusetts |
| 5 | John P Royke | 3 | Son | — | Massachusetts |
| 6 | Albe J Lemire | 62 | Head | Sales Clerk | Massachusetts |
| 7 | Etecia C Lemire | 57 | Wife | — | New Hampshire |
| 8 | George T Lemire | 31 | Son | Postal Clerk | Massachusetts |
| 9 | Edna O Lemire | 30 | Daughter | Stenographer | New Hampshire |
| 10 | Margarita E Lemire | 27 | Daughter | Clerk | Massachusetts |
| 11 | Marie Lemire | 24 | Daughter | Clerk | Massachusetts |
| 12 | Eloise B Lemire | 21 | Daughter | Clerk | Massachusetts |
| 13 | Joseph T Harrington | 51 | Head | Laborer | Massachusetts |
| 14 | Barbara E Harrington | 51 | Wife | — | Canada French |
| 15 | Mildred C Harrington | 27 | Daughter | Saleswomen | Massachusetts |
| 16 | Mary J Harrington | 28 | Daughter | Saleswomen | Massachusetts |
| 17 | Joseph L Harrington | 24 | Son | Bookkeeper | Massachusetts |
| 18 | James W Harrington | 19 | Son | Salesman | Massachusetts |
| 19 | Eileen P Harrington | 11 | Daughter | — | Massachusetts |
| 20 | James P Parrell | 66 | Head | Assistant Sanitary Insp | Irish Free State |
| 21 | Mary A Parrell | 69 | Wife | — | Irish Free State |
| 22 | Thomas P Parrell | 34 | Son | Iron Worker | Massachusetts |
| 23 | John J Parrell | 31 | Son | Electrician | Massachusetts |
| 24 | Helen F Parrell | 23 | Daughter | Saleswoman | Massachusetts |
| 25 | Tresa V Parrell | 20 | Daughter | Saleswomen | Massachusetts |
| 26 | Rose Cornwall | 39 | Head | Saleswoman | Irish Free State |
| 27 | Joseph Mcdonald THIS PERSON | 53 | Head | Baker | Massachusetts |
| 28 | Agnes Mcdonald | 50 | Wife | Maid | Irish Free State |
| 29 | William Mcdonald | 17 | Son | Clerk | Massachusetts |
| 30 | Robert Mcdonald | 24 | Son | — | Massachusetts |
| 31 | Vincent Mcdonald | 20 | Son | Concrete Mixer | Massachusetts |
| 32 | Lilian Mcdonald | 15 | Daughter | — | Massachusetts |
| 33 | George Mcdonald | 9 | Son | — | Massachusetts |
| 34 | William E Fleck | 43 | Head | Dealer | Massachusetts |
| 35 | Martina N Fleck | 83 | Mother | — | Germany |
| 36 | Emma Bradeen | 52 | Sister | — | Massachusetts |
| 37 | Felix E Letourneau | 38 | Head | Baker | Maine |
| 38 | Cecile M Letourneau | 36 | Wife | — | Maine |
| 39 | Felix E Letourneau | 14 | Son | — | Maine |
| 40 | Raymond Letourneau | 6 | Son | — | 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)