JF
James Foster — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Foster across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents George & Florence — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Foster |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Homestead |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Messenger Boy |
| Industry | steel mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 224 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Messenger Boy |
| Township / Ward | Homestead |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Foster | Daughter | — | 11 | ~1929 |
| Josephine Foster | Daughter | — | 13 | ~1927 |
| Elizabeth Foster | Daughter | — | 17 | ~1923 |
| James Foster | Head | — | 50 | ~1890 |
| James Foster | Son | — | 21 | ~1919 |
| Eliza Foster | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 2
Allegheny, Pennsylvania · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 21
Allegheny-County, Pennsylvania · implied b. ~1919 — 6 household members
| Surname | Foster |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Homestead |
| 1935 Residence (County) | Allegheny |
| Occupation | Messenger Boy |
| Industry | steel mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 224 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 James Foster across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Foster (~0.92 confidence) and mother Florence Foster (~0.92 confidence) and father James Foster (~0.92 confidence) and mother Eliza Foster (~0.92 confidence) and father August Foster (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Foster
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Florence Foster
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
James Foster
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Eliza Foster
b. ~1896
Source mother
● Household
· direct · ~0.92
Father
August Foster
b. ~1898
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Foster
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
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Sibling
James Foster
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Foster
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Foster
Sibling · 1940 · age 17
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
23 people indexed on this census page (nara:1940:m-t0627-03406-00048)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Erna Ehman | 34 | Head | — | Pennsylvania |
| 42 | Donald Ehman | 3 | Son | — | — |
| 43 | William Heflin | 52 | Lodger | Painter | W. Virginia |
| 44 | Augusta Heflin | 50 | Lodger | — | Pennsylvania |
| 45 | Mildred Hartman | 20 | Lodger | Secretary | Pennsylvania |
| 46 | Robert Muck | 16 | Grandson | — | Pennsylvania |
| 47 | James Foster | 50 | Head | Fireman | Kentucky |
| 48 | Eliza Foster | 44 | Wife | — | Kentucky |
| 49 | James Foster THIS PERSON | 21 | Son | Messenger Boy | Pennsylvania |
| 50 | Elizabeth Foster | 17 | Daughter | — | Kentucky |
| 51 | Josephine Foster | 13 | Daughter | — | Pennsylvania |
| 52 | James Foster | 11 | Daughter | — | Pennsylvania |
| 53 | Anton Radhuina | Radkuina | 57 | Head | Laborer | Russia |
| 54 | Annie Radhuina | Radkuina | 53 | Wife | — | Austria |
| 55 | Anthony Radhuina | Radkuina | 27 | Son | Teacher | Pennsylvania |
| 56 | Jack Ragan | 57 | Head | Clerk | Pennsylvania |
| 57 | Ann Ragan | 31 | Wife | — | Pennsylvania |
| 58 | Nichita Prewallo | 60 | Lodger | Laborer | Russia |
| 59 | George Krack | 23 | Brother-in-law | Laborer | Pennsylvania |
| 60 | George Tizgar | 17 | Son | — | Pennsylvania |
| 61 | Elizabeth Tizgar | 13 | Daughter | — | Pennsylvania |
| 62 | Barbara Cook | 42 | Wife | — | Hancock |
| 63 | Gustave W. Giesel | 34 | Head | — | Pennsylvania |
Pedigree Summary
James + 3 siblings
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)