DF
Dorothy Foster — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Oklahoma
Our Model Tree links this Dorothy Foster across the 1920, 1930 and 1940 US Censuses in Washington-County, Oklahoma (XGBoost, ~Confirmed), with identified parents Frank & Olga — first a daughter (b.~1912), then head of a 8-person household.
Age 28
b. ~1912
Female
Daughter
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Oklahoma |
| Surname | Foster |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Bartlesville City |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Private Secretary |
| Industry | Petroleum |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 1200 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Private Secretary |
| Township / Ward | Bartlesville City |
| Est. Birth Year | ~1912 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Virginia Nelson | Other | — | 35 | ~1905 |
| Olga Foster | Head | — | 62 | ~1878 |
| Dorothy Foster | Daughter | — | 28 | ~1912 |
| Anne Davis | Other | — | 39 | ~1901 |
| Barbara Edwards | Other | — | 27 | ~1913 |
| Erving Tietze | Other | — | 24 | ~1916 |
| Marion Wilson | Other | — | 33 | ~1907 |
| P Lanser | Other | — | 25 | ~1915 |
Census Appearances
1920
Washington, Oklahoma
Daughter, age 8
Washington, Oklahoma · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Washington, Oklahoma
Daughter, age 18
Washington, Oklahoma · implied b. ~1912 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Washington-County, Oklahoma
Daughter, age 28
Washington-County, Oklahoma · implied b. ~1912 — 8 household members
| Surname | Foster |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Bartlesville City |
| 1935 Residence (County) | Washington |
| Occupation | Private Secretary |
| Industry | Petroleum |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 1200 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Dorothy Foster across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Foster (~0.92 confidence) and mother Olga Foster (~0.92 confidence) and mother Olga Foster (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Foster
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Olga Foster
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Olga Foster
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Foster
Daughter · 1940 · age 28 · b. ~1912 · Oklahoma
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Washington-County, Oklahoma
Open full size
1940 US Federal Census — Washington-County, Oklahoma
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03339-00059)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clela Mae Thompson | 22 | Lodger | Stenographer | Kansas |
| 2 | June Mcelroy | 21 | Lodger | Stenographer | Illinois |
| 3 | Rose Knight | 52 | Head | — | Kansas |
| 4 | Wayne Knight | 16 | Son | — | Oklahoma |
| 5 | Howard Davenport | 18 | Lodger | Mechanic Apprentice | Missouri |
| 6 | Earl Kuntz | 43 | Lodger | Instrument Man | Oklahoma |
| 7 | Arthur Nuss | 35 | Lodger | Civil Engineer | N. Dakota |
| 8 | Waldo Gray | 22 | Lodger | Valuation Engineer | Oklahoma |
| 9 | Carl Garland | None | Lodger | — | — |
| 10 | T. Tally | 26 | Lodger | Clerical | Texas |
| 11 | Jesse Masters | 42 | Head | — | Kansas |
| 12 | Jimmie Masters | 12 | Son | — | Oklahoma |
| 14 | Bertha E. Barfield | 49 | Head | Saleslady | Missouri |
| 15 | John Leland Barfield | 29 | Son | Salesman | Oklahoma |
| 16 | Maurice Alden Barfield | 25 | Son | Chief Clerk | Oklahoma |
| 17 | Lloyd Mayfield | 39 | Head | Auditor | Texas |
| 18 | Ann Mayfield | 35 | Wife | Office Nurse | Montana |
| 19 | H. Haib | 47 | Head | Manager | Colorado |
| 20 | Agnes M. Haib | 37 | Wife | Bookkeeper | Oklahoma |
| 21 | O. M. Sitrum | 49 | Head | Technologist | Minn. |
| 22 | Lorraine Kyle Sitrum | 38 | Wife | — | Texas |
| 23 | Olga A. Foster | 62 | Head | — | Illinois |
| 24 | Dorothy Foster THIS PERSON | 28 | Daughter | Private Secretary | Oklahoma |
| 25 | Anne Bell Davis | 39 | Lodger | Teacher | Arkansas |
| 26 | Marion M. Wilson | 33 | Lodger | Clerk | Missouri |
| 27 | Virginia Nelson | 35 | Lodger | Stenographer | Ohio |
| 28 | P. B. Lanser | 25 | Lodger | Engineering | Kansas |
| 29 | Erving B. Tietze | 24 | Lodger | Chemical Engineer | Missouri |
| 30 | Barbara Edwards | 27 | Lodger | Stenographer | Missouri |
| 31 | Mary Mcmorrow | 73 | Head | — | Indiana |
| 32 | Marie Mcmorrow | 46 | Daughter | Tax | Indiana |
| 33 | Franzelia Mcmorrow | 44 | Daughter | Stenographer | Indiana |
| 34 | Rose Mary Mcmorrow | 42 | Daughter | Stenographer | Indiana |
| 35 | Virginia Mcmorrow | 40 | Daughter | Stenographer | Indiana |
| 36 | John Henry Mcmorrow | 31 | Son | Laboratory Tech | Ohio |
| 37 | James F. Mcmorrow | 29 | Son | Geologist | Oklahoma |
| 38 | Pauline Mcmorrow | 27 | Daughter | — | Kansas |
| 39 | Alton Cook | 29 | Head | Engineer | Oklahoma |
| 40 | Lois Cook | 28 | Wife | — | Oklahoma |
Pedigree Summary
Dorothy
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)