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Helen Mcdonald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Helen Mcdonald across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 11-person household.
Age 42
b. ~1898
Female
Spouse
Born: Canada-English
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McDonald |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Canada-English |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | SUFFOLK |
| Naturalization Status | Alien |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birthplace (normalized) | canada-english |
| Township / Ward | Boston City |
| Est. Birth Year | ~1898 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Robert Mcdonald | Son | — | ~1940 | |
| John Mcdonald | Son | — | 16 | ~1924 |
| Helen Mcdonald | Daughter | — | 10 | ~1930 |
| Bertram Mcdonald | Son | — | 12 | ~1928 |
| John Mcdonald | Head | — | 42 | ~1898 |
| George Mcdonald | Son | — | 2 | ~1938 |
| Shirley Mcdonald | Daughter | — | 4 | ~1936 |
| Donald Mcdonald | Son | — | 19 | ~1921 |
| Helen Mcdonald | Spouse | — | 42 | ~1898 |
| Teresa Mcdonald | Daughter | — | 7 | ~1933 |
| William Mcdonald | Son | — | 18 | ~1922 |
Census Appearances
1930
Suffolk, Massachusetts
Other, age 33
Suffolk, Massachusetts · implied b. ~1897 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Hilda |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Canada-English |
| Naturalization Status | Naturalized |
| Year of Immigration | 1916 |
| Age at First Marriage | 23 |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Canada-English |
| Occupation | Tailoress |
| Industry | Tailor Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | canada-english |
1940
Suffolk-County, Massachusetts
Spouse, age 42
Suffolk-County, Massachusetts · implied b. ~1898 — 11 household members
| Surname | McDonald |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Canada-English |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | SUFFOLK |
| Naturalization Status | Alien |
| Hours Worked | 0 |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birthplace (normalized) | canada-english |
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 Helen Mcdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Helen Mcdonald
Spouse · 1940 · age 42 · b. ~1898 · 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-t0627-01659-00613)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rita M. Callahan | 20 | Niece | Timekeeper | Massachusetts |
| 42 | John J. Callahan | 19 | Nephew | — | Massachusetts |
| 43 | Richard P. Callahan | 16 | Nephew | — | Massachusetts |
| 44 | Mary Callahan | 15 | Niece | — | Massachusetts |
| 45 | Edward P. Callahan | 14 | Nephew | — | Massachusetts |
| 46 | Robert Callahan | 11 | Nephew | — | Massachusetts |
| 47 | Helen Callahan | 10 | Niece | — | Massachusetts |
| 48 | Thomas F. Vesey | 47 | Head | Riveter | Eire |
| 49 | Delia T. Vesey | 48 | Wife | — | Eire |
| 50 | Catherine L. Vesey | 20 | Daughter | Cleaner | Massachusetts |
| 51 | John F. Vesey | 18 | Son | — | Massachusetts |
| 52 | James E. Vesey | 15 | Son | — | Massachusetts |
| 53 | Margaret E. Vesey | 12 | Daughter | — | Massachusetts |
| 54 | Anna Hickey | 47 | Head | — | Eire |
| 55 | Mary C. Hickey | 27 | Daughter | Waitress | Maine |
| 56 | William P. Hickey | 23 | Son | Seaman | Maine |
| 57 | John F. Hickey | 21 | Son | New Worker | Massachusetts |
| 58 | Catherine C. Hickey | 19 | Daughter | New Worker | Massachusetts |
| 59 | Thomas J. Hickey | 15 | Son | — | Massachusetts |
| 60 | Barbara J. Hickey | 14 | Daughter | — | Massachusetts |
| 61 | John J. Mcdonald | 42 | Head | Painter | Canada-English |
| 62 | Helen Mcdonald THIS PERSON | 42 | Wife | — | Canada-English |
| 63 | Donald G. Mcdonald | 19 | Son | New Worker | Canada-English |
| 64 | William A. Mcdonald | 18 | Son | New Worker | Canada-English |
| 65 | John J. Mcdonald | 16 | Son | — | Massachusetts |
| 66 | Bertram F. Mcdonald | 12 | Son | — | Massachusetts |
| 67 | Helen I. Mcdonald | 10 | Daughter | — | Massachusetts |
| 68 | Teresa C. Mcdonald | 7 | Daughter | — | Massachusetts |
| 69 | Shirley M. Mcdonald | 4 | Daughter | — | Massachusetts |
| 70 | George F. Mcdonald | 2 | Son | — | Massachusetts |
| 71 | Robert C. Mcdonald | 0 | Son | — | Massachusetts |
| 72 | George E. Brenner | 72 | Head | — | Massachusetts |
| 73 | Mary P. Enos | 72 | Head | — | Portugal |
| 74 | Laura S. Stewart | 59 | Head | Packer | Massachusetts |
| 75 | Ella V. Doherty | 54 | Head | Guard Maid | Massachusetts |
| 76 | John D. Doherty | 28 | Son | Chauffeur | Massachusetts |
| 77 | Anastasia H. Doherty | 26 | Daughter | Operator | Massachusetts |
| 78 | Mary A. Doherty | 24 | Daughter | Bus Girl | Massachusetts |
| 79 | Leon C. Sweeney | 39 | Head | Drug Clerk | Massachusetts |
| 80 | Leon R. Sweeney | 15 | 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)