MR
Mary Roberts — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Mary Roberts across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 3-person household.
Age 56
b. ~1884
Female
Spouse
Born: Wales
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Roberts |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Portland |
| 1935 Residence (County) | Multnomah |
| Naturalization Status | Naturalized |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Township / Ward | Portland |
| Est. Birth Year | ~1884 |
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 |
|---|---|---|---|---|
| Robert Roberts | Head | — | 56 | ~1884 |
| Robert Roberts | Son | — | 26 | ~1914 |
| Mary Roberts | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Multnomah, Oregon
Spouse, age 36
Multnomah, Oregon · implied b. ~1884 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Wales |
| Year of Immigration | 1910 |
| Naturalization Status | Alien |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1930
Multnomah, Oregon
Spouse, age 47
Multnomah, Oregon · implied b. ~1883 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Wales |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 22 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1940
Multnomah-County, Oregon
Spouse, age 56
Multnomah-County, Oregon · implied b. ~1884 — 3 household members
| Surname | Roberts |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Portland |
| 1935 Residence (County) | Multnomah |
| Naturalization Status | Naturalized |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
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 Roberts 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 Roberts
Spouse · 1940 · age 56 · b. ~1884 · 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
40 people indexed on this census page (nara:1940:m-t0627-03393-00043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis A. Gottfried | 77 | Head | — | Sweden |
| 2 | Gregory Gottfried | 52 | Head | Owner Manager | Greece |
| 3 | Helen Gottfried | 40 | Wife | Assistant | Greece |
| 4 | William Gottfried | 18 | Son | — | Greece |
| 5 | Sophia Gottfried | 16 | Daughter | — | Oregon |
| 6 | Robert H. Roberts | 56 | Head | Laborer | Wales |
| 7 | Mary E. Roberts THIS PERSON | 56 | Wife | — | Wales |
| 8 | Robert George Roberts | 26 | Son | — | Oregon |
| 9 | Maurice Gentry | 53 | Head | Telegraph Operator | Kentucky |
| 10 | Anna Gentry | 44 | Wife | — | California |
| 11 | Thomas M. Jr. Gentry | 19 | Son | Messenger | Washington |
| 12 | Lester Robinson | 29 | Head | Checker | Oregon |
| 13 | Dorothy Robinson | 30 | Wife | — | Oregon |
| 14 | Gary C. Robinson | 1 | Son | — | Oregon |
| 15 | Leonard E. Koch | 42 | Head | Salesman | Kansas |
| 16 | Lavelle Koch | 41 | Wife | — | Ohio |
| 17 | Robert D. Koch | 19 | Son | Delivery Boy | Kansas |
| 18 | Mary L. Koch | 16 | Daughter | — | Kansas |
| 19 | Robert M. Burton | 28 | Head | Floor Layer | Oregon |
| 20 | Edythe Burton | 26 | Wife | — | Washington |
| 21 | Elmira Gerwig | 68 | Head | — | Iowa |
| 22 | William Crowley | 41 | Son-in-law | Teller | Washington |
| 23 | Florence E. Crowley | 41 | Daughter | Seamstress | Oregon |
| 24 | Edna P. Milne | 59 | Head | — | Iowa |
| 25 | Anna Long | 67 | Head | — | Kansas |
| 26 | Martha Farnes | 55 | Head | — | Iowa |
| 27 | Willemina Farnes | 33 | Daughter | — | Oregon |
| 28 | Emma Higgins | 79 | Head | — | Illinois |
| 29 | Dora E. Jackson | 86 | Sister | — | Ohio |
| 30 | Lucetta Smith | 88 | Sister | — | Ohio |
| 31 | Charles W. Howell | 41 | Head | Salesman | Oregon |
| 32 | Lavelle Howell | 34 | Wife | — | Oregon |
| 33 | Charlene L. Howell | 14 | Daughter | — | Oregon |
| 34 | Christian Sachsenmaier | 55 | Head | Salesman | Germany |
| 35 | Theodora Sachsenmaier | 45 | Wife | — | Scotland |
| 36 | Robert E. Sachsenmaier | 18 | Son | — | Oregon |
| 37 | Thomas E. Sachsenmaier | 16 | Son | — | Oregon |
| 38 | Jacob W. Klein | 36 | Head | Laborer | South Dakota |
| 39 | Emma Klein | 35 | Wife | — | South Dakota |
| 40 | Howard Klein | 6 | Son | — | South Dakota |
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)