RF
Ruth Foster — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Ruth Foster across the 1910, 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Calvin & Elizabeth — first a spouse (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Foster |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1908 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Foster | Spouse | — | 32 | ~1908 |
| Donald Foster | Head | — | 37 | ~1903 |
| Donald Foster | Son | — | 8 | ~1932 |
| Mildred Shirnell | Other | — | 36 | ~1904 |
| Susanne Foster | Daughter | — | 5 | ~1935 |
Census Appearances
1910
Allegheny, Pennsylvania
Daughter, age 2
Allegheny, Pennsylvania · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Ruth L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Daughter, age 11
Allegheny, Pennsylvania · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 21
Allegheny, Pennsylvania · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 32
Allegheny-County, Pennsylvania · implied b. ~1908 — 5 household members
| Surname | Foster |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Ruth Foster across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Calvin Foster (~0.92 confidence) and mother Elizabeth Foster (~0.92 confidence) and father Galen Foster (~0.92 confidence) and father Walter Foster (~0.92 confidence) and mother Myrtle Foster (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Calvin Foster
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Foster
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
Galen Foster
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Walter Foster
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Myrtle Foster
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Foster
Spouse · 1940 · age 32 · b. ~1908 · Pennsylvania
★ 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03662-00106)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarissa Burchfield | 36 | Wife | — | Pennsylvania |
| 2 | Nancy Burchfield | 10 | Daughter | — | Pennsylvania |
| 3 | Albert Horn Burchfield | 8 | Son | — | Pennsylvania |
| 4 | Mary Burchfield | 6 | Daughter | — | Pennsylvania |
| 5 | Abel Holmes | 43 | Maid | House Work | Pennsylvania |
| 6 | Harold Reif | 46 | Head | Mfg. Agent | Pennsylvania |
| 7 | Francis Reif | 26 | Francis | — | New York |
| 8 | Marcela Nee | 24 | Maid | House Work | Pennsylvania |
| 9 | Donald Foster | 37 | Head | District Manager | Pennsylvania |
| 10 | Ruth Foster THIS PERSON | 32 | Wife | — | Pennsylvania |
| 11 | Donald Jr. Foster | 8 | Son | — | Pennsylvania |
| 12 | Susanne Foster | 5 | Daughter | — | Pennsylvania |
| 13 | Mildred Shirnell | 36 | Servant | House Work | Latvia |
| 14 | Harry Chase | 40 | Head | Gen. Agent | Connecticut |
| 15 | Eleanor Chase | 39 | Wife | — | Pennsylvania |
| 16 | Eleanor Chase | 11 | Daughter | — | Pennsylvania |
| 17 | Barbara Chase | 3 | Daughter | — | Pennsylvania |
| 18 | Dwight Foster | 65 | In law | — | Pennsylvania |
| 19 | Mary Jacmenovich | 20 | Maid | House Work | Yugoslavia |
| 20 | Nathan Bittner | 42 | Head | Purchasing Agent | Pennsylvania |
| 21 | Mildred Bittner | 39 | Wife | — | Pennsylvania |
| 22 | Jane Bittner | 12 | Daughter | — | Pennsylvania |
| 23 | Betty Bittner | 10 | Daughter | — | Pennsylvania |
| 24 | Robert Bittner | 9 | Son | — | Pennsylvania |
| 25 | Thomas Bittner | 7 | Son | — | Pennsylvania |
| 26 | William Bittner | 2 | Son | — | Pennsylvania |
| 27 | Anna Nee | 34 | Maid | House Work | Ireland Free |
| 28 | Roger Clark | 42 | Head | Genl. Agent | Illinois |
| 29 | Helen Clark | 41 | Wife | — | Illinois |
| 30 | Roger Jr. Clark | 17 | Son | — | Illinois |
| 31 | Jean Clark | 13 | Daughter | — | Illinois |
| 32 | Rose Romanek | 35 | Maid | House Work | Pennsylvania |
| 33 | Harold Moore | 39 | Head | Executive | Pennsylvania |
| 34 | Helen C. Moore | 38 | Wife | — | Illinois |
| 35 | Donald Moore | 9 | Son | — | Pennsylvania |
| 36 | Richard Moore | 6 | Son | — | Pennsylvania |
| 37 | Catherine Wertz | 28 | Maid | House Work | Pennsylvania |
| 38 | Howard A. Villack | 39 | Head | Distributor | Pennsylvania |
| 39 | Anna Villack | 40 | Wife | — | Pennsylvania |
| 40 | Mary Carmody | 30 | Maid | House Work | Ireland Free |
Pedigree Summary
Ruth
Gen 1 · 5 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)