MC
Mary Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lane-County, Oregon
Our Model Tree links this Mary Campbell across the 1920, 1930 and 1940 US Censuses in Lane-County, Oregon (XGBoost, ~Confirmed) — first a spouse (b.~1871), then head of a 3-person household.
Age 69
b. ~1871
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lane-County, Oregon |
| Surname | Campbell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | West Moreland |
| 1935 Residence (County) | Lane |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | West Moreland |
| Est. Birth Year | ~1871 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Edith Campbell | Daughter | — | 44 | ~1896 |
| Samuel Campbell | Head | — | 75 | ~1865 |
| Mary Campbell | Spouse | — | 69 | ~1871 |
Census Appearances
1920
Lane, Oregon
Spouse, age 47
Lane, Oregon · implied b. ~1873 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Lane, Oregon
Spouse, age 59
Lane, Oregon · implied b. ~1871 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 20 |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Lane-County, Oregon
Spouse, age 69
Lane-County, Oregon · implied b. ~1871 — 3 household members
| Surname | Campbell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | West Moreland |
| 1935 Residence (County) | Lane |
| Industry | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 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
Mary Campbell
Spouse · 1940 · age 69 · b. ~1871 · Oregon
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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 — Lane-County, Oregon
Open full size
1940 US Federal Census — Lane-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03369-01032)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rosella Roffler | 4 | Daughter | — | North Dakota |
| 2 | Anna J. Roffler | 2 | Daughter | — | Oregon |
| 3 | Harry P. Baarstad | 38 | Head | Mill Worker | North Dakota |
| 4 | Laura M. Baarstad | 35 | Wife | — | North Dakota |
| 5 | Vernon Baarstad | 13 | Son | — | North Dakota |
| 6 | Verle Baarstad | 11 | Son | — | North Dakota |
| 7 | Leta Mae Baarstad | 10 | Daughter | — | North Dakota |
| 8 | Thomas F. Thompson | 32 | Head | Proprietor | Canada-English |
| 9 | Marcia M. Thompson | 27 | Wife | Bookkeeper | Oregon |
| 10 | Herman A. Hein | 41 | Head | Mechanic | South Dakota |
| 11 | Barbara Hein | 39 | Wife | — | South Dakota |
| 12 | Henry W. Hein | 14 | Son | — | South Dakota |
| 13 | Eugene L. Hein | 8 | Son | — | South Dakota |
| 14 | Frances R. Hein | 6 | Daughter | — | South Dakota |
| 15 | Samuel N. Campbell | 75 | Head | — | Utah |
| 16 | Mary Campbell THIS PERSON | 69 | Wife | — | Missouri |
| 17 | Edith Campbell | 44 | Daughter | — | Oregon |
| 18 | Melvin E. Paul | 37 | Head | Truck Driver | South Dakota |
| 19 | Mary F. Paul | 40 | Wife | Picking Turkeys | California |
| 20 | Eugene E. Paul | 12 | Son | — | Oregon |
| 21 | Oren E. Graham | 41 | Head | Baker | Texas |
| 22 | Kathryn A. Graham | 42 | Wife | — | Oregon |
| 23 | June La Duke | 15 | Niece | — | Oregon |
| 24 | Raymond F. Avery | 25 | Head | Tinner | Oregon |
| 25 | Louise C. Avery | 25 | Wife | — | Pennsylvania |
| 26 | Marcelle Lou Avery | 9 | Daughter | — | Oregon |
| 27 | Shirley Jean Avery | 5 | Daughter | — | Oregon |
| 28 | Frank H. Ray | 43 | Head | Differential Helper | Oklahoma |
| 29 | Bessie M. Ray | 42 | Wife | Prac. Nursing | Pennsylvania |
| 30 | Cora P. Wymer | 15 | Boarder | — | Iowa |
| 31 | Oliver F. Bevere | 71 | Head | — | Ohio |
| 32 | Zelpha R. Bevere | 63 | Wife | — | Kansas |
| 33 | Zelpha Bevere | 20 | Daughter | Credit Clerk | Oregon |
| 34 | Clifford M. Raney | 51 | Head | Laborer | California |
| 35 | Eva M. Raney | 46 | Wife | Seasonal Worker | Kansas |
| 36 | Emmett O. Raney | 11 | Son | — | Kansas |
| 37 | Walter E. Raney | 9 | Son | — | Kansas |
| 38 | Gilbert M. Raney | 7 | Son | — | Kansas |
| 39 | Cecil E. Foster | 34 | Head | Lineman | Arkansas |
| 40 | Elsie D. Foster | 30 | Wife | — | Arkansas |
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)