MS
Mary Stanley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bucks-County, Pennsylvania
Our Model Tree links this Mary Stanley across the 1930 and 1940 US Censuses in Bucks-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bucks-County, Pennsylvania |
| Surname | Stanley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Hilltown Township |
| 1935 Residence (County) | Bucks |
| Additional Details | |
| Occupation | Helper |
| Industry | Butcher shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Helper |
| Township / Ward | Hilltown Township |
| Est. Birth Year | ~1921 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Stanley | Daughter | — | 19 | ~1921 |
| Dorothy Stanley | Daughter | — | 10 | ~1930 |
| Kathryn Stanley | Daughter | — | 12 | ~1928 |
| Betty Stanley | Daughter | — | 7 | ~1933 |
| J Stanley | Head | — | 45 | ~1895 |
| Norman Stanley | Son | — | 21 | ~1919 |
| Clarence Stanley | Son | — | 16 | ~1924 |
| Wayne Stanley | Son | — | 17 | ~1923 |
| Virginia Stanley | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Bucks, Pennsylvania
Daughter, age 9
Bucks, Pennsylvania · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stanley |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Bucks-County, Pennsylvania
Daughter, age 19
Bucks-County, Pennsylvania · implied b. ~1921 — 9 household members
| Surname | Stanley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Hilltown Township |
| 1935 Residence (County) | Bucks |
| Occupation | Helper |
| Industry | Butcher shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | Hs 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 Mary Stanley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Stanley
Daughter · 1940 · age 19 · b. ~1921 · Pennsylvania
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Sibling
Wayne Stanley
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Stanley
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Stanley
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Stanley
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Stanley
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Stanley
Sibling · 1940 · age 10
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 — Bucks-County, Pennsylvania
Open full size
1940 US Federal Census — Bucks-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03445-00442)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alice K. Moyer | 55 | Wife | — | Pennsylvania |
| 2 | Ephraim W. Detweiler | 42 | Head | Farmer | Pennsylvania |
| 3 | Florence Detweiler | 40 | Wife | — | Pennsylvania |
| 4 | Verna Detweiler | 15 | Daughter | — | Pennsylvania |
| 5 | Clyde Detweiler | 10 | Son | — | Pennsylvania |
| 6 | Betty J. Detweiler | 3 | Daughter | — | Pennsylvania |
| 7 | Anatole Kulpa | 19 | Hired hand | Laborer | Pennsylvania |
| 8 | William Bernhard | 42 | Head | Operator | Pennsylvania |
| 9 | Mae P. Bernhard | 37 | Wife | — | Pennsylvania |
| 10 | Harry W. Robinson | 59 | Head | Salesman | Pennsylvania |
| 11 | Lydia Robinson | 53 | Wife | — | Pennsylvania |
| 12 | Robert Doma | 57 | Head | Farmer | Austria |
| 13 | Katie Doma | 50 | Wife | — | Hungary |
| 14 | Leopold Auberle | 60 | Hired man | Laborer | Hungary |
| 15 | Max Hunter | 60 | Hired man | Laborer | Germany |
| 16 | Robert Jr. Doma | 30 | Head | Looper | Pennsylvania |
| 17 | Mary Doma | 23 | Wife | — | Pennsylvania |
| 18 | Jeanette Doma | 1 | Daughter | — | Pennsylvania |
| 19 | Robert Ubel | 46 | Head | Painter | Latvia |
| 20 | Edith Ubel | 45 | Wife | — | Pennsylvania |
| 21 | Claire L. Ubel | 20 | Daughter | Satcher | Pennsylvania |
| 22 | Lorna C. Ubel | 16 | Daughter | — | Pennsylvania |
| 23 | Robert Jr. Ubel | 12 | Son | — | Pennsylvania |
| 24 | George H. Schmidt | 66 | Head | Operator | Pennsylvania |
| 25 | Wilmina Schmidt | 65 | Wife | — | Pennsylvania |
| 26 | Margaret B. Pretach | 43 | Wife | — | Germany |
| 27 | Rudolph Pretach | 50 | Head | Farmer | Germany |
| 28 | Ursula Pretach | 17 | Daughter | — | Germany |
| 29 | Ruth Pretach | 15 | Daughter | — | Germany |
| 30 | J. Clarence Stanley | 45 | Head | Laborer | Pennsylvania |
| 31 | Virginia Stanley | 46 | Wife | — | Pennsylvania |
| 32 | Norman Stanley | 21 | Son | Helper | Pennsylvania |
| 33 | Mary Stanley THIS PERSON | 19 | Daughter | Helper | Pennsylvania |
| 34 | Wayne Stanley | 17 | Son | Caretaker | Pennsylvania |
| 35 | Clarence Stanley | 16 | Son | Caretaker | Pennsylvania |
| 36 | Kathryn Stanley | 12 | Daughter | — | Pennsylvania |
| 37 | Dorothy Stanley | 10 | Daughter | — | Pennsylvania |
| 38 | Betty Stanley | 7 | Daughter | — | Pennsylvania |
| 39 | Owen Cassel | 51 | Head | Farmer | Pennsylvania |
| 40 | Rosa Cassel | 53 | Wife | — | Pennsylvania |
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)