MF
Mary Foster — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Pennsylvania
Our Model Tree links this Mary Foster across the 1920, 1930 and 1940 US Censuses in Wayne-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & Dr — first a daughter (b.~1886), then head of a 2-person household.
Age 54
b. ~1886
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Pennsylvania |
| Surname | Foster |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Honesdale Borough |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Librarian |
| Industry | Public school |
| Class of Worker | GW |
| Hours Worked | 36 |
| Income (1939) | 1400 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Librarian |
| Township / Ward | Honesdale Borough |
| Est. Birth Year | ~1886 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Foster | Daughter | — | 54 | ~1886 |
| Dr Foster | Head | — | 83 | ~1857 |
Census Appearances
1920
Wayne, Pennsylvania
Daughter, age 34
Wayne, Pennsylvania · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New York |
| Occupation | Librarian |
| Industry | Public Library |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Wayne, Pennsylvania
Other, age 44
Wayne, Pennsylvania · implied b. ~1886 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Mary |
| Relationship to Head | daughter-H |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New York |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Wayne-County, Pennsylvania
Daughter, age 54
Wayne-County, Pennsylvania · implied b. ~1886 — 2 household members
| Surname | Foster |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Honesdale Borough |
| 1935 Residence (County) | Wayne |
| Occupation | Librarian |
| Industry | Public school |
| Class of Worker | GW |
| Hours Worked | 36 |
| Income (1939) | 1400 |
| Highest Grade | C-3 |
| 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 Mary Foster across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Foster (~0.92 confidence) and father Dr Foster (~0.92 confidence) and mother Kate Foster (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Foster
b. ~1858
Source father
● Household
· direct · ~0.92
Father
Dr Foster
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Kate Foster
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Foster
Daughter · 1940 · age 54 · b. ~1886 · 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 — Wayne-County, Pennsylvania
Open full size
1940 US Federal Census — Wayne-County, Pennsylvania
Page Contents
25 people indexed on this census page (nara:1940:m-t0627-03627-00353)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sydney Hirshman | 43 | Head | Proprietor | Poland |
| 42 | Sarah Hirshman | 40 | Wife | Partner Owner | Poland |
| 43 | Sylvia Hirshman | 18 | Daughter | — | New York |
| 44 | Martin Hirshman | 14 | Son | — | New York |
| 45 | Dr. H. H. Foster | 83 | Head | — | Pennsylvania |
| 46 | Mary H. Foster THIS PERSON | 54 | Daughter | Librarian | Pennsylvania |
| 47 | Edward Flaherty | 35 | Head | Truck Driver | Ireland |
| 48 | Nancy Flaherty | 34 | Wife | — | Pennsylvania |
| 49 | Edward Flaherty | 14 | Son | — | Pennsylvania |
| 50 | Anabelle Flaherty | 13 | Daughter | — | Pennsylvania |
| 51 | George Flaherty | 10 | Son | — | Pennsylvania |
| 52 | Catherine Flaherty | 7 | Daughter | — | Pennsylvania |
| 53 | Katherine Fitch | 45 | Head | Clerk | Pennsylvania |
| 54 | Henry Bloomgarden | 27 | Head | Proprietor | New York |
| 55 | Gertrude Bloomgarden | 22 | Wife | Partner Proprietor | Pennsylvania |
| 56 | David Bloomgarden | 2 | Son | — | Pennsylvania |
| 57 | Blanche Brenhofer | 50 | Head | Floorlady | Pennsylvania |
| 58 | Grace Matthews | 21 | Niece | Gold Leaf Girl | New York |
| 59 | Mahlon Bodie | 41 | Head | Painter Contractor | Pennsylvania |
| 60 | Beatrice Bodie | 31 | Wife | Housework | Pennsylvania |
| 61 | Muriel Fair | 19 | Head | Manager | New York |
| 62 | Ruth Tiffany | 35 | Lodger | — | Pennsylvania |
| 63 | Verna Blincher | 69 | Head | — | Pennsylvania |
| 64 | Arthur Bryant | 27 | Head | Embalmer | Pennsylvania |
| 65 | Elizabeth Bryant | 26 | Wife | Teacher | Pennsylvania |
Pedigree Summary
Mary
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)