MF
Mary Foster — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Oregon
Our Model Tree links this Mary Foster across the 1920, 1930 and 1940 US Censuses in Marion-County, Oregon (XGBoost, ~Confirmed), with identified parents Perry & Gertrude — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Oregon |
| Surname | Foster |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Salem City |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Filing Clerk |
| Industry | State Tax Commission |
| Class of Worker | GW |
| Hours Worked | 9 |
| Income (1939) | 266 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Filing Clerk |
| Township / Ward | Salem City |
| Est. Birth Year | ~1919 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anne Foster | Daughter | — | 19 | ~1921 |
| Virginia Foster | Daughter | — | 26 | ~1914 |
| Mary Foster | Daughter | — | 21 | ~1919 |
| Genevieve Foster | Head | — | 46 | ~1894 |
Census Appearances
1920
Marion, Oregon
Daughter, age 1
Marion, Oregon · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Mary Elizabeth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | West Virginia |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Marion, Oregon
Daughter, age 11
Marion, Oregon · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Mary Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | West Virginia |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Marion-County, Oregon
Daughter, age 21
Marion-County, Oregon · implied b. ~1919 — 4 household members
| Surname | Foster |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Salem City |
| 1935 Residence (County) | Marion |
| Occupation | Filing Clerk |
| Industry | State Tax Commission |
| Class of Worker | GW |
| Hours Worked | 9 |
| Income (1939) | 266 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Foster across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Perry Foster (~0.92 confidence) and mother Gertrude Foster (~0.92 confidence) and mother Genevieve Foster (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Perry Foster
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Gertrude Foster
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Genevieve Foster
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Foster
Daughter · 1940 · age 21 · b. ~1919 · Oregon
★ You are viewing this record
Sibling
Virginia Foster
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Foster
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Marion-County, Oregon
Open full size
1940 US Federal Census — Marion-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03374-00467)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl Pracht | 31 | Head | Mortar Mixer | Oklahoma |
| 2 | Walter Babson | 47 | Head | Attendant | Kansas |
| 3 | Emma Babson | 50 | Wife | Belt Worker | Kansas |
| 4 | Ernest Endicott | 69 | Head | — | Missouri |
| 5 | Mary A. O'Leary | 78 | Head | — | Illinois |
| 6 | Clarence Dickinson | 30 | Head | Historical Research | Idaho |
| 7 | Elsie Miller | 25 | Head | Waitress | Wisconsin |
| 8 | Paul Crosby | 36 | Partner | Carpenter | Kansas |
| 9 | Carl I. Wick | 59 | Head | Barber | Minnesota |
| 10 | Nora Wick | 52 | Wife | Manager | Wisconsin |
| 11 | Charles A. Borneman | 57 | Head | Weaver | Ohio |
| 12 | Florence Borneman | 57 | Wife | Belt Worker | Arkansas |
| 13 | Don L. Harkins | 31 | Head | Mechanic | Kansas |
| 14 | Edward Smith | 30 | Partner | Dry Cleaner | Oregon |
| 15 | Eldred Bankston | 31 | Head | Salesman | Illinois |
| 16 | Lesta Bankston | 36 | Wife | Nurse | Iowa |
| 17 | Genevieve Foster | 46 | Head | — | West Virginia |
| 18 | Virginia Foster | 26 | Daughter | Stenographer | Oregon |
| 19 | Mary E. Foster THIS PERSON | 21 | Daughter | Filing Clerk | Oregon |
| 20 | Anne Foster | 19 | Daughter | Assistant Librarian | Oregon |
| 21 | William J. Moriarty | 33 | Head | Bank Teller | Dakota |
| 22 | Anna Louise Moriarty | 27 | Wife | Waitress | Illinois |
| 23 | Clayton Wheeler | 22 | Head | Musician | North Dakota |
| 24 | Vernon Larson | 22 | Partner | Equipment Operator | Montana |
| 25 | Clara Mcdaniel | 51 | Head | Cook | Oregon |
| 26 | Norman Ho | 18 | Head | News Worker | Scotland |
| 27 | Mary Balkovich | 27 | Head | Chicken Clerk | California |
| 28 | — | None | — | — | — |
| 29 | Larry Nummekamp | 25 | Head | News Worker | Oregon |
| 30 | Bryce Robinson | 26 | Head | Bus Boy | Oregon |
| 31 | Joyce Robinson | 27 | Wife | Waitress | Utah |
| 32 | Lola Dumas | 45 | Head | Saleslady | Kansas |
| 33 | Laverne Dumas | 18 | Daughter | Usher | Oregon |
| 34 | Isabelle Thomas | 57 | Head | — | Wisconsin |
| 35 | Olwyne Thomas | 21 | Daughter | Waitress | Washington |
| 36 | Margaret Perkins | 34 | Head | Waitress | North Dakota |
| 37 | James Stewart | 14 | Son | — | Oregon |
| 38 | Donald Perkins | 16 | Step-Son | Farm Laborer | Oregon |
| 39 | Harold B. Jorgenson | 39 | Head | Optician | Minnesota |
| 40 | Goldean Gordon | 28 | Head | Waitress | Missouri |
Related Census Records
Pedigree Summary
Mary + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)