JF
John Foster — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Foster across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Edward & Ziba — first a son (b.~1920), then head of a 4-person household.
Age 20
b. ~1920
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Foster |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Oiler |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 14 |
| Income (1939) | 484 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Oiler |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1920 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Joseph Foster | Head | — | 53 | ~1887 |
| Fred Croper | Other | — | 56 | ~1884 |
| John Foster | Son | — | 20 | ~1920 |
| Helen Foster | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age
Philadelphia, Pennsylvania · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 10
Philadelphia, Pennsylvania · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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
Philadelphia-County, Pennsylvania
Son, age 20
Philadelphia-County, Pennsylvania · implied b. ~1920 — 4 household members
| Surname | Foster |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Oiler |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 14 |
| Income (1939) | 484 |
| Highest Grade | H 2 |
| 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 John Foster across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Foster (~0.92 confidence) and father Ziba Foster (~0.92 confidence) and father Joseph Foster (~0.92 confidence) and mother Alice Foster (~0.92 confidence) and mother Helen Foster (~0.92 confidence) and mother Elizabeth Foster (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Foster
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Ziba Foster
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Joseph Foster
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Alice Foster
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Helen Foster
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Foster
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Foster
Son · 1940 · age 20 · b. ~1920 · 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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03705-00619)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Hoyer | 9 | Son | — | Pennsylvania |
| 2 | Marion Hoyer | 7 | Daughter | — | Pennsylvania |
| 3 | Anthony Jaworski | 41 | Head | Grinder | Russia |
| 4 | Anna Jaworski | 33 | Wife | — | Russia |
| 5 | Anthony Jaworski | 12 | Son | — | New Jersey |
| 6 | John Jaworski | 3 | Son | — | Pennsylvania |
| 7 | Edward Schuwer | 43 | Head | Pumper | Pennsylvania |
| 8 | Charlotte Schuwer | 40 | Wife | — | Pennsylvania |
| 9 | Lawrence Schuwer | 14 | Son | — | Pennsylvania |
| 10 | Marie Betson | 12 | Niece | — | Pennsylvania |
| 11 | Charles Sheppard | 31 | Head | Washer | Pennsylvania |
| 12 | Ruth Sheppard | 32 | Wife | — | Pennsylvania |
| 13 | Ruth Sheppard | 6 | Daughter | — | Pennsylvania |
| 14 | Alva Sheppard | 4 | Daughter | — | Pennsylvania |
| 15 | Lewis Cheesman | 31 | Head | Pumper | New Jersey |
| 16 | Madeline Cheesman | 36 | Wife | — | New Jersey |
| 17 | Donald Cheesman | 11 | Son | — | New Jersey |
| 18 | George Miller | 26 | Head | Mechanic | Pennsylvania |
| 19 | Alice Miller | 25 | Wife | Machine Operator | Pennsylvania |
| 20 | Isabel Edward | 55 | Mother | Machinist | Germany |
| 21 | John Kelow | 30 | Head | Mixer | New Jersey |
| 22 | Laura Kelow | 32 | Wife | Stenographer | Pennsylvania |
| 23 | Laura Kelow | 17 | Daughter | — | Pennsylvania |
| 24 | Dorothy Kelow | 16 | Daughter | — | Pennsylvania |
| 25 | Erwin Stow | 41 | Head | Manager | Pennsylvania |
| 26 | Edith Stow | 35 | Wife | — | Pennsylvania |
| 27 | Erwin Stow | 10 | Son | — | Pennsylvania |
| 28 | Elaine Stow | 5 | Daughter | — | Pennsylvania |
| 29 | Jean Quinking | 39 | Head | Coil Winder | Scotland |
| 30 | Jean Quinking | 17 | Daughter | Clerk | Pennsylvania |
| 31 | Mary Quinking | 8 | Daughter | — | Pennsylvania |
| 32 | Robert Sill | 68 | Head | Mercerizer | Germany |
| 33 | Marie Sill | 56 | Wife | — | Germany |
| 34 | Lillian Sill | 33 | Daughter | Checker | Pennsylvania |
| 35 | Wilhelmina Sill | 29 | Daughter | Stenographer | Pennsylvania |
| 36 | Joseph Foster | 53 | Head | Motorman | Pennsylvania |
| 37 | Helen Foster | 52 | Wife | — | Pennsylvania |
| 38 | John Foster THIS PERSON | 20 | Son | Oiler | Pennsylvania |
| 39 | Fred Croper | 56 | Lodger | Piano Tuner | England |
| 40 | Maria Osborne | 23 | Head | — | Pennsylvania |
Related Census Records
Pedigree Summary
John
Gen 1 · 6 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)