MS
Mary Schwartz — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lehigh-County, Pennsylvania
Our Model Tree links this Mary Schwartz across the 1920, 1930 and 1940 US Censuses in Lehigh-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & Alice — first a daughter (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lehigh-County, Pennsylvania |
| Surname | Schwartz |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Coplay Borough |
| 1935 Residence (County) | Lehigh |
| Additional Details | |
| Occupation | packer |
| Industry | Dress factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Packer |
| Township / Ward | Coplay Borough |
| 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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Anna Schwartz | Daughter | — | 18 | ~1922 |
| Theresa Schwartz | Daughter | — | 16 | ~1924 |
| Helen Schwartz | Daughter | — | 14 | ~1926 |
| George Schwartz | Head | — | 44 | ~1896 |
| Mary Schwartz | Daughter | — | 21 | ~1919 |
| Frank Schwartz | Son | — | 13 | ~1927 |
Census Appearances
1920
Lehigh, Pennsylvania
Daughter, age
Lehigh, Pennsylvania · implied b. ~1920 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schwartz |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| 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 |
1930
Lehigh, Pennsylvania
Daughter, age 10
Lehigh, Pennsylvania · implied b. ~1920 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schwartz |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| 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
Lehigh-County, Pennsylvania
Daughter, age 21
Lehigh-County, Pennsylvania · implied b. ~1919 — 6 household members
| Surname | Schwartz |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Coplay Borough |
| 1935 Residence (County) | Lehigh |
| Occupation | packer |
| Industry | Dress factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| 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 Schwartz across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Schwartz (~0.92 confidence) and mother Alice Schwartz (~0.92 confidence) and mother Alice Schwartz (~0.92 confidence) and father George Schwartz (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Schwartz
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Alice Schwartz
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Alice Schwartz
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
George Schwartz
b. ~1896
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Schwartz
Daughter · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Anna Schwartz
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Schwartz
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Schwartz
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Schwartz
Sibling · 1940 · age 13
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 — Lehigh-County, Pennsylvania
Open full size
1940 US Federal Census — Lehigh-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03546-00235)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Welch | 42 | Wife | — | Pennsylvania |
| 2 | John Pawel | 47 | Head | Laborer | Hungary |
| 3 | Susanna Pawel | 49 | Wife | — | Hungary |
| 4 | Joseph Pawel | 36 | Son | Laborer | Pennsylvania |
| 5 | John Rubusky | 39 | Head | Caretaker | Pennsylvania |
| 6 | Mary Rubusky | 33 | Wife | — | Pennsylvania |
| 7 | John Jr. Rubusky | 16 | Son | — | Pennsylvania |
| 8 | James Rubusky | 3 | Son | — | Pennsylvania |
| 9 | Mary Rimock | 73 | Mother-in-law | — | Hungary |
| 10 | John Miller | 58 | Head | Janitor | Pennsylvania |
| 11 | Mabel Miller | 52 | Wife | — | Pennsylvania |
| 12 | Dorothy Miller | 25 | Daughter | Examiner | Pennsylvania |
| 13 | Sterling Miller | 24 | Son | Dyer | Pennsylvania |
| 14 | Laura Bachman | 72 | Aunt | — | Pennsylvania |
| 15 | George Schwartz | 44 | Head | Silk Weaver | Hungary |
| 16 | Mary Schwartz THIS PERSON | 21 | Daughter | Packer | Pennsylvania |
| 17 | Anna Schwartz | 18 | Daughter | Picker | Pennsylvania |
| 18 | Theresa Schwartz | 16 | Daughter | — | Pennsylvania |
| 19 | Helen Schwartz | 14 | Daughter | — | Pennsylvania |
| 20 | Frank Schwartz | 13 | Son | — | Pennsylvania |
| 21 | John Gantz | 58 | Head | Laborer | Hungary |
| 22 | Rosa Gantz | 56 | Wife | — | Hungary |
| 23 | Calvin O. Klinger | 37 | Head | Stillman | Pennsylvania |
| 24 | Anna Klinger | 39 | Wife | — | Pennsylvania |
| 25 | Calvin Jr. Klinger | 12 | Son | — | Pennsylvania |
| 26 | William Runkle | 61 | Head | Shop Keeper | Pennsylvania |
| 27 | Gertrude Runkle | 53 | Wife | — | Pennsylvania |
| 28 | Ernest Runkle | 25 | Son | Store Helper | Pennsylvania |
| 29 | Sarah Schall | 57 | Mother-in-law | — | Pennsylvania |
| 30 | Ralph Snyder | 43 | Head | Electrician | Pennsylvania |
| 31 | Catherine Snyder | 23 | Wife | — | Pennsylvania |
| 32 | Robert Snyder | 5 | Son | — | Pennsylvania |
| 33 | Arthur Snyder | 4 | Son | — | Pennsylvania |
| 34 | Patricia Snyder | 1 | Daughter | — | Pennsylvania |
| 35 | Frank Newhart | 48 | Head | Pump Runner | Pennsylvania |
| 36 | Gisella Newhart | 42 | Wife | — | Hungary |
| 37 | Ida Newhart | 15 | Daughter | — | Pennsylvania |
| 38 | Vincent Newhart | 5 | Son | — | Pennsylvania |
| 39 | Charles Gauley | 50 | Head | — | Pennsylvania |
| 40 | Catherine Gauley | 57 | Sister | — | Pennsylvania |
Pedigree Summary
Mary + 4 siblings
Gen 1 · 4 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)