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Helen Mcdonald — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Helen Mcdonald across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 8-person household.
Age 13
b. ~1917
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | McDonald |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1917 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Mcdonald | Daughter | — | 13 | ~1917 |
| John Mcdonald | Head | — | 41 | ~1889 |
| Frances Mcdonald | Daughter | — | 10 | ~1920 |
| Virginia Mcdonald | Daughter | — | 2 | ~1928 |
| Jennie Mcdonald | Other | — | 40 | ~1890 |
| Phyllis Mcdonald | Daughter | — | 6 | ~1924 |
| Catherine Mcdonald | Daughter | — | 12 | ~1918 |
| John Mcdonald | Son | — | 9 | ~1921 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 13
Suffolk, Massachusetts · implied b. ~1917 — 8 household members
| Surname | McDonald |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 23
Suffolk-County, Massachusetts · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Donald |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Waitress |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 171 |
| Highest Grade | H 4 |
| 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 Helen Mcdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Mcdonald
Daughter · 1930 · age 13 · b. ~1917 · Massachusetts
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Sibling
Phyllis Mcdonald
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mcdonald
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcdonald
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Mcdonald
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Mcdonald
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel947:0072)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Annie Krusak | 52 | Wife-H | None | Poland |
| 52 | Helen Krusak | 16 | Daughter | None | Pennsylvania |
| 53 | Stacia Krusak | 14 | Daughter | None | Massachusetts |
| 54 | Doris Krusak | 13 | Daughter | None | Massachusetts |
| 55 | John Krusak | 12 | Son | None | Massachusetts |
| 56 | William Wadon | 37 | Head | Machinist | Latvia |
| 57 | Helena Wadon | 37 | Wife-H | None | Latvia |
| 58 | John J Mcdonald | 41 | Head | Starter | Canada English |
| 59 | Jennie Mcdonald | 40 | Wife-H | None | Canada English |
| 60 | Helen Mcdonald THIS PERSON | 13 | Daughter | None | Massachusetts |
| 61 | Catherine Mcdonald | 12 | Daughter | None | Massachusetts |
| 62 | Frances Mcdonald | 10 | Daughter | None | Massachusetts |
| 63 | John Mcdonald | 9 | Son | None | Massachusetts |
| 64 | Phyllis Mcdonald | 6 | Daughter | None | Massachusetts |
| 65 | Virginia Mcdonald | 2 | Daughter | None | Massachusetts |
| 66 | John V Miller | 55 | Head | Pressman | Lithuania |
| 67 | Eva Miller | 47 | Wife-H | None | Lithuania |
| 68 | William F Bills | 33 | Head | Fireman | Massachusetts |
| 69 | Harriet E Bills | 32 | Wife-H | None | Canada English |
| 70 | Howard W Bills | 12 | Son | None | Massachusetts |
| 71 | John J Bills | 11 | Son | None | Massachusetts |
| 72 | Harold J Bills | 11 | Son | None | Massachusetts |
| 73 | Elaine J Bills | 5 | Daughter | None | Massachusetts |
| 74 | Dorothy M Bills | 5 | Daughter | None | Massachusetts |
| 75 | Richard E Bills | 3 | Son | None | Massachusetts |
| 76 | Alice M Bills | 1 | Daughter | None | Massachusetts |
| 77 | Catherine Lomas | 60 | Head-H | None | Irish Free State |
| 78 | Catherine Jr Lomas | 26 | Daughter | Bookkeeper | Massachusetts |
| 79 | Bertha F Ripley | 37 | Head-H | None | Massachusetts |
| 80 | Mary Ripley | 7 | Daughter | None | Massachusetts |
| 81 | Winifred Ripley | 5 | Daughter | None | Massachusetts |
| 82 | John Feeney | 23 | Head | Chauffeur | Massachusetts |
| 83 | Helen Feeney | 21 | Wife-H | None | Massachusetts |
| 84 | Sarah Reid | 60 | Mother-in-law | None | Scotland |
| 85 | James Kerrigan | 43 | Head | Carpenter | Canada English |
| 86 | Patrick Kerrigan | 71 | Father-H | None | Canada English |
| 87 | Annie Kerrigan | 50 | Sister-H | None | Canada English |
| 88 | Frank Walsh | 52 | Head | Tailor | Massachusetts |
| 89 | Molly Walsh | 48 | Sister-H | Milliner | Massachusetts |
| 90 | William Clancy | 44 | Head | Shipper | Canada English |
| 91 | Pearl Clancy | 33 | Wife-H | None | Massachusetts |
| 92 | William Clancy | 6 | Son | None | Massachusetts |
| 93 | Michael J Flaherty | 31 | Head | Chauffeur | Massachusetts |
| 94 | Helen Flaherty | 24 | Wife-H | None | Massachusetts |
| 95 | Mildred M Flaherty | 7 | Daughter | None | Massachusetts |
| 96 | Gerald J Flaherty | 6 | Son | None | Massachusetts |
| 97 | John J Flaherty | 4 | Son | None | Massachusetts |
| 98 | David D Flaherty | 1 | Son | None | Massachusetts |
| 99 | Thomas Zaleski | 55 | Head | Tailor | Lithuania |
| 100 | Martha Zaleski | 45 | Wife-H | None | Lithuania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)