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Mary Mcdonald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Mary Mcdonald across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 5-person household.
Age 45
b. ~1895
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | McDonald |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Nehalem |
| 1935 Residence (County) | Tillamook |
| Naturalization Status | First papers filed |
| Additional Details | |
| Occupation | Day work |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 300 |
| Highest Grade | H-1 |
| 1935 Residence | Oregon |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Day Work |
| Township / Ward | Precinct 435 |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Agnes Mcdonald | Daughter | — | 16 | ~1924 |
| Margaret Mcdonald | Daughter | — | 19 | ~1921 |
| Bella Mcdonald | Daughter | — | 17 | ~1923 |
| Kenneth Mcdonald | Head | — | 52 | ~1888 |
| Mary Mcdonald | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Multnomah, Oregon
Spouse, age 25
Multnomah, Oregon · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1913 |
| Naturalization Status | Alien |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Multnomah, Oregon
Spouse, age 35
Multnomah, Oregon · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1914 |
| Age at First Marriage | 18 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Multnomah-County, Oregon
Spouse, age 45
Multnomah-County, Oregon · implied b. ~1895 — 5 household members
| Surname | McDonald |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Nehalem |
| 1935 Residence (County) | Tillamook |
| Naturalization Status | First papers filed |
| Occupation | Day work |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 300 |
| Highest Grade | H-1 |
| 1935 Residence | Oregon |
| 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 Mary Mcdonald 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 Mcdonald
Spouse · 1940 · age 45 · b. ~1895 · 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 — Multnomah-County, Oregon
Open full size
1940 US Federal Census — Multnomah-County, Oregon
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-03377-00603)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sam W. Burris | 36 | Head | Mechanic | Switzerland |
| 42 | Florence W. Burris | 30 | Wife | Checkers | Montana |
| 43 | La Verne William R. Burris | 16 | Son | — | Washington |
| 44 | John D. Setterberg | 84 | Head | — | Sweden |
| 45 | Abel C. Setterberg | 48 | Son | Box Maker | Minnesota |
| 46 | Laura C. Setterberg | 43 | Wife | — | Minnesota |
| 47 | Edward G. Setterberg | 14 | Son | — | Oregon |
| 48 | Joyce H. Setterberg | 10 | Daughter | — | Oregon |
| 50 | Elmer S. Traverse | 57 | Head | Painting | Iowa |
| 51 | Annie C. Traverse | 59 | Brother | Carpenter | Iowa |
| 52 | Harry G. Olsen | 49 | Head | Truck Driver | Oregon |
| 53 | Dorothy C. Olsen | 33 | Wife | — | Michigan |
| 54 | Robert H. Olsen | 13 | Son | Bus Boy | Oregon |
| 55 | Harvey L. Jack | 41 | Head | Laborer | Iowa |
| 56 | Minnie A. Jack | 42 | Wife | — | Iowa |
| 57 | Florence M. Jack | 17 | Daughter | New-Worker | Canada |
| 59 | Joseph A. Heimes | 34 | Head | Mechanic | Minnesota |
| 60 | Anita M. Heimes | 25 | Wife | Trimmer | Mexico |
| 61 | Orville F. Kyler | 33 | Head | Operator | Washington |
| 62 | Alta M. Kyler | 27 | Wife | — | Oregon |
| 63 | Keith F. Kyler | 8 | Son | — | Oregon |
| 64 | Judith W. Kyler | 3 | Daughter | — | Oregon |
| 65 | Kenneth Mcdonald | 52 | Head | Blacksmith | Scotland |
| 66 | Mary A. Mcdonald THIS PERSON | 45 | Wife | Day Work | Scotland |
| 67 | Margaret E. Mcdonald | 19 | Daughter | Cafeteria Helper | Oregon |
| 68 | Bella J. Mcdonald | 17 | Daughter | — | Oregon |
| 69 | Agnes M. Mcdonald | 16 | Daughter | — | Oregon |
| 70 | John G. Muster | 53 | Head | Waiter | Switzerland |
| 71 | Rowland O. Bufton | 30 | Head | Store Runner | Oregon |
| 72 | Hazel M. Bufton | 30 | Wife | — | Canada-English |
| 73 | Richard D. Bufton | 7 | Son | — | Washington |
| 74 | James O. Bufton | 2 | Son | — | Oregon |
| 76 | John J. Teakins | 75 | Head | — | Oregon |
| 77 | Amelia A. Teakins | 55 | Wife | Day Work | Missouri |
| 79 | Louis A. Bohmann | 60 | Head | Watchman | Wisconsin |
| 80 | Lucille Bohmann | 48 | Wife | — | Oregon |
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)