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Margaret Grant — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Margaret Grant across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 3-person household.
Age 54
b. ~1886
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Grant |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Albany |
| 1935 Residence (County) | Alameda |
| Naturalization Status | Alien |
| Additional Details | |
| Class of Worker | 0 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Albany |
| Est. Birth Year | ~1886 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Andrew Grant | Head | — | 56 | ~1884 |
| Margaret Grant | Spouse | — | 54 | ~1886 |
| Thomas Grant | Son | — | 19 | ~1921 |
Census Appearances
1920
Alameda, California
Spouse, age 33
Alameda, California · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1904 |
| Naturalization Status | Alien |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
Spouse, age 44
Alameda, California · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1912 |
| Age at First Marriage | 23 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | House Wife |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Alameda-County, California
Spouse, age 54
Alameda-County, California · implied b. ~1886 — 3 household members
| Surname | Grant |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Albany |
| 1935 Residence (County) | Alameda |
| Naturalization Status | Alien |
| Class of Worker | 0 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Margaret Grant across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Grant
Spouse · 1940 · age 54 · b. ~1886 · California
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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 — Alameda-County, California
Open full size
1940 US Federal Census — Alameda-County, California
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00186-00332)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Roy Havens | 37 | Head | Salesman | Illinois |
| 2 | Pauline Havens | 35 | Wife | — | Illinois |
| 3 | William Jackson | 10 | Son | — | California |
| 4 | James W Havens | 2 | Son | — | California |
| 5 | Easton Colvin | 38 | Head | Lather | Oklahoma |
| 6 | Joan Ann Colvin | 38 | Wife | Typist | Scotland |
| 7 | Robert Colvin | 12 | Son | — | California |
| 8 | Frederick Ledebur | 33 | Head | Safety Engineer | Holland |
| 9 | Helen Ledebur | 32 | Wife | — | Illinois |
| 10 | Mary Ann Ledebur | 8 | Daughter | — | California |
| 11 | Frederick Jr Ledebur | 5 | Son | — | California |
| 13 | Harold O Young | 53 | Head | Manager | Utah |
| 14 | Elva Young | 51 | Wife | — | Utah |
| 15 | Park H Young | 22 | Son | — | New Mexico |
| 16 | Harold Cloery | 31 | Head | Bank Teller | California |
| 17 | Deliah Cloery | 30 | Wife | Reg. Nurse | Utah |
| 18 | Ray C Nissen | 37 | Head | Draftsman | California |
| 19 | Margaret Nissen | 34 | Wife | — | Nevada |
| 20 | Margie Dee Clark | 14 | Step-Daughter | — | California |
| 21 | Joseph Thelen | 56 | Head | Bar Tender | California |
| 22 | Catherine Thelen | 56 | Wife | — | California |
| 24 | Gerald Bonnington | 60 | Head | Printer | New Zealand |
| 25 | Zora Bonnington | 38 | Wife | — | North Dakota |
| 26 | Charles Bonnington | 12 | Son | — | Oregon |
| 27 | Beatrice Anne Bonnington | 6 | Daughter | — | California |
| 28 | E. Fred Haram | 30 | Head | Manager | California |
| 29 | Lucille Haram | 30 | Wife | Asst Manager | California |
| 30 | Alec Samaha | 45 | Head | Salesman | Syria |
| 31 | Rona Samaha | 40 | Wife | — | California |
| 32 | Lloyd Samaha | 18 | Son | Student Aid | California |
| 33 | Andrew Grant | 56 | Head | Laundry Manager | Scotland |
| 34 | Margaret Grant THIS PERSON | 54 | Wife | — | Scotland |
| 35 | Thomas Grant | 19 | Son | — | California |
| 36 | Gerald Murphy | 42 | Head | Automobile Dealer | Minnesota |
| 37 | Della Murphy | 39 | Wife | — | Canada-English |
| 38 | Barbara Murphy | 8 | Daughter | — | Canada-English |
| 39 | Shirley Ann Murphy | 0 | Daughter | — | California |
| 40 | Fred C Martinez | 41 | Head | Mechanical Engineer | Germany |
Related Census Records
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)