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Helen Mcdonald — 1930 US Census Record
Model Tree available1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Helen Mcdonald across the 1920, 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1914), then head of a 4-person household.
Age 16
b. ~1914
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | McDonald |
| Given Name | Helen M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1914 |
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 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Catherine Mcdonald | Other | — | 46 | ~1884 |
| John Mcdonald | Son | — | 20 | ~1910 |
| John Mcdonald | Head | — | 50 | ~1880 |
| Helen Mcdonald | Daughter | — | 16 | ~1914 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 5
Suffolk, Massachusetts · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacDonald |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Scotland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Daughter, age 16
Suffolk, Massachusetts · implied b. ~1914 — 4 household members
| Surname | McDonald |
| Given Name | Helen M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Spouse, age 27
Suffolk-County, Massachusetts · implied b. ~1913 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacDonald |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Waitress |
| Industry | Lunchcounter |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 450 |
| Highest Grade | Hs 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Macdonald (~0.92 confidence) and father John Mcdonald (~0.92 confidence) and mother Katherine Macdonald (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Macdonald
b. ~1879
Source father
● Household
· direct · ~0.92
Father
John Mcdonald
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Katherine Macdonald
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Mcdonald
Daughter · 1930 · age 16 · b. ~1914 · Massachusetts
★ You are viewing this record
Sibling
John Mcdonald
Sibling · 1930 · age 20
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
20 people indexed on this census page (ia:1930:massachusettscensus00reel953:0544)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Lindsay | 63 | Head | Care Taker | Northern Ireland |
| 52 | Margaret E Lindsay | 62 | Wife-H | — | Irish Free State |
| 53 | Walter J Lindsay | 36 | Son | Police Officer | Massachusetts |
| 54 | Helen Lindsay | 25 | Daughter | Machine Oper. | Massachusetts |
| 55 | Margaret Mary Myles | 37 | Daughter | Waitress | Massachusetts |
| 56 | Agnes T Myles | 18 | Gr-Daughter | — | Massachusetts |
| 57 | Harold Myles | 15 | Gr-Son | — | Massachusetts |
| 58 | William F Donnellan | 59 | Head | — | Irish Free State |
| 59 | Julia T Donnellan | 55 | Wife-H | — | Massachusetts |
| 60 | Francis J Donnellan | 18 | Son | — | Massachusetts |
| 61 | Mary Donnellan | 14 | Daughter | — | Massachusetts |
| 62 | John J Mcdonald | 50 | Head | Expressman | Massachusetts |
| 63 | Catherine R Mcdonald | 46 | Wife-H | — | Scotland |
| 64 | John J Mcdonald | 20 | Son | Salesman | Massachusetts |
| 65 | Helen M Mcdonald THIS PERSON | 16 | Daughter | — | Massachusetts |
| 66 | Anna Kelly | 41 | Head-H | Saleslady | Newfoundland |
| 67 | Rebecca Hardman | 54 | Head-H | — | Northern Ireland |
| 68 | Margaret A Hardman | 32 | Daughter | Secretary | Northern Ireland |
| 69 | Lawrence Hardman | 26 | Son | Cabinet Maker | Northern Ireland |
| 70 | Charles Murphy | 24 | Lodger | Packer | Northern Ireland |
Pedigree Summary
Helen + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)