TM
Thomas Mcdonald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Thomas Mcdonald across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 4-person household.
Age 55
b. ~1885
Male
Head
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | McDonald |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Salem |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Leather Worker |
| Industry | Leather |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 486 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Leather Worker |
| Township / Ward | Salem |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Katherine Mcdonald | Spouse | — | 53 | ~1887 |
| Thomas Mcdonald | Head | — | 55 | ~1885 |
| Marguerite Mcdonald | Daughter | — | 19 | ~1921 |
| Gilbert Mcdonald | Son | — | 25 | ~1915 |
Census Appearances
1920
Essex, Massachusetts
Head, age 36
Essex, Massachusetts · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | tacker |
| Industry | leather factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Essex, Massachusetts
Head, age 46
Essex, Massachusetts · implied b. ~1884 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 27 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Canada English |
| Occupation | Tacker |
| Industry | Leather factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 36 |
| Radio Set | R |
| Veteran | No |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Essex-County, Massachusetts
Head, age 55
Essex-County, Massachusetts · implied b. ~1885 — 4 household members
| Surname | McDonald |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Salem |
| 1935 Residence (County) | Essex |
| Occupation | Leather Worker |
| Industry | Leather |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 486 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Thomas 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
Thomas Mcdonald
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01589-01027)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John F. Lehan | 43 | Head | Leather Tanner | Massachusetts |
| 42 | Margaret E. Lehan | 43 | Wife | Topsticher | Massachusetts |
| 43 | Mary R. Lehan | 19 | Daughter | — | Massachusetts |
| 44 | Walter O. Allen | 60 | Head | Fireman | Massachusetts |
| 45 | Nellie Allen | 60 | Wife | — | Canada-English |
| 46 | Barbara Allen | 25 | Daughter | Tel. Operator | Massachusetts |
| 47 | Ruth D. Allen | 24 | Daughter | Clerk | Massachusetts |
| 48 | George W. Story | 72 | Head | — | Massachusetts |
| 49 | Letitia H. Story | 66 | Wife | — | Massachusetts |
| 50 | Marion R. Story | 43 | Daughter | Teacher | Massachusetts |
| 51 | Arthur W. Newcomb | 52 | Head | Shoe Maker | Canada-English |
| 52 | Arthur W. Jr. Newcomb | 20 | Son | — | Massachusetts |
| 53 | Edwin W. Newcomb | 17 | Son | — | Massachusetts |
| 54 | - False Estimate - Newcomb | None | — | — | — |
| 55 | Clarence S. O'Hara | 45 | Head | Truck Driver | Massachusetts |
| 56 | Nellie T. O'Hara | 43 | Wife | — | Massachusetts |
| 57 | Dorothy L. O'Hara | 17 | Daughter | Mounter | Massachusetts |
| 58 | Thomas Mcdonald THIS PERSON | 55 | Head | Leather Worker | Maine |
| 59 | Katherine Mcdonald | 53 | Wife | Saleslady | Massachusetts |
| 60 | Marguerite Mcdonald | 19 | Daughter | Office Worker | Massachusetts |
| 61 | Gilbert Mcdonald | 25 | Son | Professional | Massachusetts |
| 62 | Meader A. Buck | 70 | Head | Millman | Maine |
| 63 | Minnie M. Buck | 73 | Wife | — | Maine |
| 64 | Chesley Buck | 31 | Daughter | — | Massachusetts |
| 65 | Lewis Buck | 38 | Son-in-law | Electrician | Canada-English |
| 66 | Lyman W. Chaney | 58 | Head | Druggist | Maine |
| 67 | Susie T. Chaney | 53 | Wife | — | Maine |
| 68 | Lyman W. Jr. Chaney | 30 | Son | Night Hand | Massachusetts |
| 69 | Stanley E. Smith | 30 | Son-in-law | Farmer | New York |
| 70 | Florence E. Smith | 28 | Daughter | Tel Operator | Massachusetts |
| 71 | J. Joseph Brennan | 43 | Head | Chauffeur | Massachusetts |
| 72 | Dorothy Brennan | 36 | Wife | — | Rhode Island |
| 73 | J. Joseph Jr. Brennan | 12 | Son | — | Massachusetts |
| 74 | Dorothy M. Brennan | 11 | Daughter | — | Massachusetts |
| 75 | John J. Fahey | 41 | Head | Machinist | Massachusetts |
| 76 | Elizabeth Fahey | 38 | Wife | — | Massachusetts |
| 77 | John J. Fahey | 19 | Son | — | Massachusetts |
| 78 | Marie Fahey | 14 | Daughter | — | Massachusetts |
| 79 | Ellen Cunningham | 75 | Lodger | — | Massachusetts |
| 80 | Frederick Cloutman | 74 | Head | — | 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)