EC
Elizabeth Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Elizabeth Campbell across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1878), then head of a 3-person household.
Age 62
b. ~1878
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Campbell |
| Given Name | Elizabeth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Oakland City |
| 1935 Residence (County) | Alameda |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Oakland City |
| Est. Birth Year | ~1878 |
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 Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| John Campbell | Head | — | 62 | ~1878 |
| John Campbell | Son | — | 28 | ~1912 |
| Elizabeth Campbell | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Alameda, California
Spouse, age 38
Alameda, California · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Elizabeth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Year of Naturalization | 1912 |
| Birthplace (normalized) | scotland |
1930
Alameda, California
Other, age 49
Alameda, California · implied b. ~1881 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Elizabeth |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1897 |
| Age at First Marriage | 24 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Alameda-County, California
Spouse, age 62
Alameda-County, California · implied b. ~1878 — 3 household members
| Surname | Campbell |
| Given Name | Elizabeth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Oakland City |
| 1935 Residence (County) | Alameda |
| Naturalization Status | Naturalized |
| Highest Grade | H-4 |
| 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 Elizabeth Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Elizabeth Campbell
Spouse · 1940 · age 62 · b. ~1878 · 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
40 people indexed on this census page (nara:1940:m-t0627-00445-00176)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clifford Archambault | 49 | Head | Clerk | California |
| 2 | Margaret Archambault | 74 | Mother | — | California |
| 3 | Ephraim Nunes | 51 | Head | Own Work | T. Hawaii |
| 4 | Charley Nunes | 26 | Son | Usher | California |
| 5 | Albert W. Correia | 32 | Head | Clerk | Massachusetts |
| 6 | Ida A. Correia | 25 | Wife | Clerk | Canada |
| 7 | Edna M. Correia | 2 | Daughter | — | California |
| 8 | John Campbell | 62 | Head | Watchman | Scotland |
| 9 | Elizabeth Campbell THIS PERSON | 62 | Wife | — | Scotland |
| 10 | John Campbell | 28 | Son | Steam Fitter | California |
| 11 | Ralph Vaillancourt | 57 | Head | Own Work | Canada |
| 12 | George Barsamian | 68 | Head | Own Business | Armenia |
| 13 | Mary Barsamian | 53 | Wife | — | Armenia |
| 14 | Sarkis Barsamian | 34 | Son | Butcher | Massachusetts |
| 15 | Henry Barsamian | 28 | Son | Pharmacist | Massachusetts |
| 16 | John Barsamian | 22 | Son | Clerk | California |
| 17 | Elmira Osuna | 57 | Head | Stenography | Mexico |
| 18 | Virginia Osuna | 82 | Mother | — | California |
| 19 | — | None | — | — | — |
| 20 | Earl L. Peters | 40 | Head | Parts Manager | California |
| 21 | Dorothy Peters | 34 | Wife | — | Ohio |
| 22 | Diane Peters | 5 | Daughter | — | California |
| 23 | Frank W. Wilson | 33 | Head | Salesman | Iowa |
| 24 | Dorothy M. Wilson | 30 | Wife | — | Oregon |
| 25 | Carrole Wilson | 6 | Daughter | — | California |
| 26 | Yvonne Wilson | 5 | Daughter | — | California |
| 27 | Daniel E. Simpson | 61 | Head | Dairy Inspector | Nevada |
| 28 | Rebecca E. Simpson | 58 | Wife | — | California |
| 29 | Ester Simpson | 24 | Daughter | Dramatics | California |
| 30 | Floyd M. Curtis | 44 | Head | Salesman | Minnesota |
| 31 | Gertrude W. Curtis | 46 | Wife | — | Michigan |
| 32 | Ralph M. Curtis | 19 | Son | Salesman | Michigan |
| 33 | Herbert W. Smith | 33 | Lodger | Painting | Iowa |
| 34 | Arnold Della Santa | 29 | Head | — | Nevada |
| 35 | Vivian Della Santa | 23 | Wife | — | Colorado |
| 36 | Deanna Della Santa | 2 | Daughter | — | California |
| 37 | Homer H. Wilson | 48 | Head | Driver | Nebraska |
| 38 | Louise Wilson | 48 | Wife | — | Utah |
| 39 | Beverly J. Wilson | 20 | Daughter | Typist | Kansas |
| 40 | Otis J. Briar | 45 | Head | Mechanic | Illinois |
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)