MR
Mary Roberts — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clackamas-County, Oregon
Our Model Tree links this Mary Roberts across the 1920, 1930 and 1940 US Censuses in Clackamas-County, Oregon (XGBoost, ~Confirmed) — first a spouse (b.~1873), then head of a 3-person household.
Age 67
b. ~1873
Female
Spouse
Born: Wales
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clackamas-County, Oregon |
| Surname | Roberts |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Beaver Creek Prect. |
| 1935 Residence (County) | Clackamas |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Township / Ward | Beaver Creek Prect |
| Est. Birth Year | ~1873 |
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 |
|---|---|---|---|---|
| Griffith Roberts | Head | — | 67 | ~1873 |
| Griffith Roberts | Son | — | 44 | ~1896 |
| Mary Roberts | Spouse | — | 67 | ~1873 |
Census Appearances
1920
Clackamas, Oregon
Spouse, age 47
Clackamas, Oregon · implied b. ~1873 — 5 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 |
| Year of Immigration | 1903 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1930
Clackamas, Oregon
Spouse, age 57
Clackamas, Oregon · implied b. ~1873 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Wales |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 23 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Welsh |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1940
Clackamas-County, Oregon
Spouse, age 67
Clackamas-County, Oregon · implied b. ~1873 — 3 household members
| Surname | Roberts |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Beaver Creek Prect. |
| 1935 Residence (County) | Clackamas |
| Naturalization Status | Naturalized |
| 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 67 · b. ~1873 · 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 — Clackamas-County, Oregon
Open full size
1940 US Federal Census — Clackamas-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03354-00104)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marilyn K. Mckay | 1 | Daughter | — | Oregon |
| 2 | Roula E. Edwards | 50 | Head | Operate Own Farm | Oregon |
| 3 | John B. Sutherland | 65 | Head | Retired Physician | Missouri |
| 4 | Mary Sutherland | 43 | Wife | Clerical | Missouri |
| 5 | George Hallman | 42 | Head | Operator | N. Dakota |
| 6 | Emaline Hallman | 37 | Wife | — | Oregon |
| 7 | Leona Hallman | 15 | Daughter | — | Oregon |
| 8 | Ernest Hallman | 7 | Son | — | Oregon |
| 9 | Otto Mockbee | 59 | Head | Carpenter | Oregon |
| 10 | Theresa Mockbee | 59 | Wife | — | Minnesota |
| 11 | Griffith Roberts | 67 | Head | Operator | Wales |
| 12 | Mary Roberts THIS PERSON | 67 | Wife | — | Wales |
| 13 | Griffith W. Roberts | 44 | Son | Cutting Wood | Wales |
| 14 | Edward Bittner | 48 | Head | Farmer | Russia |
| 15 | Lydia Bittner | 46 | Wife | — | Russia |
| 16 | Albert Bittner | 18 | Son | — | Oregon |
| 17 | Violet Bittner | 17 | Daughter | — | Oregon |
| 18 | Edward J. Bittner | 15 | Son | — | Oregon |
| 19 | Evelyn J. Bittner | 14 | Daughter | — | Oregon |
| 20 | Frankie Albright | 62 | Boarder | Hired Hand | Iowa |
| 21 | Robert H. Beattie | 43 | Head | Operator | Oregon |
| 22 | Alta V. Beattie | 38 | Wife | — | Oregon |
| 23 | Barbara Jean Beattie | 17 | Daughter | — | Oregon |
| 24 | Suzanne Beattie | 7 | Daughter | — | Oregon |
| 25 | Melbourne F. Miller | 47 | Head | Farmer | Michigan |
| 26 | Lula Belle Miller | 45 | Wife | — | Michigan |
| 27 | Nellie Mae Miller | 21 | Daughter | — | Oregon |
| 28 | Betty Jane Miller | 19 | Daughter | — | Oregon |
| 29 | Floyd Williams | 31 | Head | Laborer | Kansas |
| 30 | Maudie Williams | 30 | Wife | — | Kansas |
| 31 | Irene Williams | 1 | Daughter | — | Oklahoma |
| 32 | Eric Otto Fisher | 40 | Head | Contractor | Wisconsin |
| 33 | Hattie Fisher | 36 | Wife | — | Oregon |
| 34 | Betty L. Fisher | 17 | Daughter | — | Oregon |
| 35 | Lorraine Fisher | 8 | Daughter | — | Oregon |
| 36 | Donna Lee Fisher | 6 | Daughter | — | Oregon |
| 37 | Fred Sr. Foss | 72 | Head | Operator | Switzerland |
| 38 | Elizabeth Foss | 74 | Wife | — | Switzerland |
| 39 | Powell Berglund | 36 | Son-in-law | Operator | Nebraska |
| 40 | Laura Berglund | 39 | Daughter | — | 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)