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Mary Macdonald — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Macdonald across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 9-person household.
Age 35
b. ~1895
Female
Spouse
Born: Canada Eng
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | MacDonald |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Canada Eng |
| Naturalization Status | Naturalized |
| Year of Immigration | 1916 |
| Age at First Marriage | 25 |
| Father's Birthplace | Canada Eng |
| Mother's Birthplace | Canada Eng |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | canada eng |
| Township / Ward | Boston City |
| Est. Birth Year | ~1895 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Daniel Macdonald | Head | — | 39 | ~1891 |
| Clotilda Mcdonald | Other | — | 22 | ~1908 |
| Mary Macdonald | Daughter | — | 5 | ~1925 |
| Joseph Macdonald | Son | — | 6 | ~1924 |
| Mary Macdonald | Spouse | — | 35 | ~1895 |
| Steven Mcdonald | Other | — | 37 | ~1893 |
| John Macdonald | Son | — | 3 | ~1927 |
| Eugenia Macdonald | Daughter | — | 8 | ~1922 |
| Veronica Macdonald | Daughter | — | 1 | ~1929 |
Census Appearances
1930
Suffolk, Massachusetts
Spouse, age 35
Suffolk, Massachusetts · implied b. ~1895 — 9 household members
| Surname | MacDonald |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Canada Eng |
| Naturalization Status | Naturalized |
| Year of Immigration | 1916 |
| Age at First Marriage | 25 |
| Father's Birthplace | Canada Eng |
| Mother's Birthplace | Canada Eng |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | canada eng |
1940
Suffolk-County, Massachusetts
Spouse, age 47
Suffolk-County, Massachusetts · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacDonnell |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Canada Eng |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Highest Grade | H 1 |
| 1935 Residence | Same House |
| Birthplace (normalized) | canada eng |
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 Mary Macdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Macdonald
Spouse · 1930 · age 35 · b. ~1895 · Massachusetts
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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:massachusettscensus00reel942:0149)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Gerull | 34 | Head | Cook | Germany |
| 2 | Josephine A Gerull | 34 | Wife | — | New Hampshire |
| 3 | Elizabeth A Brown | 8 | Daughter | — | New Hampshire |
| 4 | Dorothy R Brown | 8 | Daughter | — | New Hampshire |
| 5 | Harry E Brown | 7 | Son | — | Massachusetts |
| 6 | Helena E Gerull | 1 | Daughter | — | Massachusetts |
| 7 | Max P Zautschler | 36 | Lodger | Fisherman | Germany |
| 8 | Louis Demitta | 37 | Head | Laborer | Massachusetts |
| 9 | Rose Demitta | 28 | Wife | — | Italy |
| 10 | Ralph Demitta | 6 | Son | — | Massachusetts |
| 11 | Edmund H Nagle | 60 | Head | Teamster Driver | Massachusetts |
| 12 | Gertrude Nagle | 58 | Wife | — | Massachusetts |
| 13 | Edmund H Jr Nagle | 23 | Son | Fireman | Massachusetts |
| 14 | Joseph A Keough | 38 | Head | Drug Clerk | Massachusetts |
| 15 | Esther M Keough | 46 | Sister-in-law | — | Massachusetts |
| 16 | Margaret Ireland | 28 | Niece | — | Massachusetts |
| 17 | Charles J Ireland | 30 | Nephew | Compositor | Massachusetts |
| 18 | Charles J Jr Ireland | 8 | Grand Nephew | — | Massachusetts |
| 19 | Daniel J Macdonald | 39 | Head | Conductor | Canada Eng |
| 20 | Mary E Macdonald THIS PERSON | 35 | Wife | — | Canada Eng |
| 21 | Eugenia M Macdonald | 8 | Daughter | — | Massachusetts |
| 22 | Joseph H Macdonald | 6 | Son | — | Massachusetts |
| 23 | Mary C Macdonald | 5 | Daughter | — | Massachusetts |
| 24 | John J Macdonald | 3 | Son | — | Massachusetts |
| 25 | Veronica F Macdonald | 1 | Daughter | — | Massachusetts |
| 26 | Steven A Mcdonald | 37 | Brother | Carpenter | Canada Eng |
| 27 | Clotilda Mcdonald | 22 | Sister-in-law | Operator | Canada Eng |
| 28 | John J Carrol | 36 | Head | Fisherman | Canada Fr |
| 29 | Anna M Carrol | 25 | Wife | — | Canada Fr |
| 30 | Catherine James | 20 | Lodger | Waitress | Nova Scotia |
| 31 | Austin J Powers | 36 | Lodger | Fisherman | Canada Fr |
| 32 | Gaetano Zafrana | 46 | Head | Spaghetti Maker | Italy |
| 33 | Alfonsina Zafrana | 36 | Wife | Dressmaker | Italy |
| 34 | James Zafrana | 15 | Son | — | Massachusetts |
| 35 | Alphonso Zafrana | 10 | Son | — | Massachusetts |
| 36 | Frank Ray | 64 | Head | Wood Turner | Maine |
| 37 | Delia Ray | 55 | Wife | — | Ireland FS |
| 38 | Doris Ballem | 16 | Niece | — | Massachusetts |
| 39 | James P Averill | 32 | Head | U.S. C. G. | New Hampshire |
| 40 | Helen G Averill | 21 | Wife | — | Massachusetts |
| 41 | Sylvia Carrier | 18 | Sister-in-law | Winder | California |
| 42 | Everett J Francis | 32 | Uncle | Machinist | Massachusetts |
| 43 | Timothy A Boyen | 68 | Head | Laborer | Ireland FS |
| 44 | Mary A Boyen | 60 | Wife | — | Ireland FS |
| 45 | Charlotte T Laws | 66 | Head | — | New Brunswick |
| 46 | John F Laws | 26 | Son | Clerk | Massachusetts |
| 47 | Alice L Laws | 45 | Daughter | Dressmaker | Massachusetts |
| 48 | Margaret R Laws | 35 | Daughter | Switch Board | Massachusetts |
| 49 | Helen G Laws | 33 | Daughter | Switch Board | Massachusetts |
| 50 | Catherine M Laws | 25 | Daughter | Clerk | Massachusetts |
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)