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Mary Gregory — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this Mary Gregory across the 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 10-person household.
Age 23
b. ~1917
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Gregory |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Duryea borough |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Occupation | maid |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 180 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Maid |
| Township / Ward | Duryea Borough |
| Est. Birth Year | ~1917 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Stella Gregory | Daughter | — | 28 | ~1912 |
| Josephine Gregory | Daughter | — | 13 | ~1927 |
| Amelia Gregory | Daughter | — | 22 | ~1918 |
| Mary Gregory | Daughter | — | 23 | ~1917 |
| Sophie Gregory | Daughter | — | 20 | ~1920 |
| William Gregory | Head | — | 55 | ~1885 |
| John Gregory | Son | — | 9 | ~1931 |
| Stanley Gregory | Son | — | 16 | ~1924 |
| Walter Gregory | Son | — | 19 | ~1921 |
| Stella Gregory | Spouse | — | 54 | ~1886 |
Census Appearances
1930
Luzerne, Pennsylvania
Daughter, age 12
Luzerne, Pennsylvania · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gregory |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Luzerne-County, Pennsylvania
Daughter, age 23
Luzerne-County, Pennsylvania · implied b. ~1917 — 10 household members
| Surname | Gregory |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Duryea borough |
| 1935 Residence (County) | Luzerne |
| Occupation | maid |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 180 |
| Highest Grade | No 8 |
| 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 Gregory across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gregory
Daughter · 1940 · age 23 · b. ~1917 · Pennsylvania
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Sibling
Stella Gregory
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Gregory
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sophie Gregory
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Gregory
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Gregory
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Gregory
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amelia Gregory
Sibling · 1940 · age 22
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 — Luzerne-County, Pennsylvania
Open full size
1940 US Federal Census — Luzerne-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03550-00362)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Gilroy | 32 | Son | Laborer | Pennsylvania |
| 2 | Frank Joyce | 23 | Grandson | New Worker | Pennsylvania |
| 3 | Joseph Joyce | 22 | Grandson | New Worker | Pennsylvania |
| 4 | John Joyce | 13 | Grandson | — | Pennsylvania |
| 5 | Anna Wilk | 50 | Head | — | Poland |
| 6 | Joseph Wilk | 29 | Son | Laborer Outside | Pennsylvania |
| 7 | Mary Wilk | 28 | Daughter | Spinner | Pennsylvania |
| 8 | Andrew Wilk | 26 | Son | Laborer | Pennsylvania |
| 9 | Stanley Wilk | 25 | Son | Laborer | Pennsylvania |
| 10 | Frank Wilk | 21 | Son | New Worker | Pennsylvania |
| 11 | Henry Wilk | 17 | Son | — | Pennsylvania |
| 12 | Helen Wilk | 14 | Daughter | — | Pennsylvania |
| 13 | Charles Wilk | 11 | Son | — | Pennsylvania |
| 14 | Peter Wilk | 9 | Son | — | Pennsylvania |
| 15 | Julia Wilk | 8 | Daughter | — | Pennsylvania |
| 16 | John Burdin | 48 | Head | — | Poland |
| 17 | Anna Burdin | 47 | Wife | — | Poland |
| 18 | Mary Burdin | 24 | Daughter | Housework Servant | Pennsylvania |
| 19 | Frances Burdin | 22 | Daughter | Housework Servant | Pennsylvania |
| 20 | Helen Burdin | 21 | Daughter | Housework Servant | Pennsylvania |
| 21 | Jessie Burdin | 19 | Daughter | New Worker | Pennsylvania |
| 22 | Florence Burdin | 17 | Daughter | — | Pennsylvania |
| 23 | Michael Burdin | 13 | Son | — | Pennsylvania |
| 24 | Stanley Burdin | 11 | Son | — | Pennsylvania |
| 25 | Loretta Burdin | 9 | Daughter | — | Pennsylvania |
| 26 | William Gregory | 55 | Head | Laborer | Poland |
| 27 | Stella Gregory | 54 | Wife | — | Poland |
| 28 | Stella Gregory | 28 | Daughter | Coner | Pennsylvania |
| 29 | Mary Gregory THIS PERSON | 23 | Daughter | Maid | Pennsylvania |
| 30 | Amelia Gregory | 22 | Daughter | Maid | Pennsylvania |
| 31 | Sophie Gregory | 20 | Daughter | New Worker | Pennsylvania |
| 32 | Walter Gregory | 19 | Son | Bobbin Boy | Pennsylvania |
| 33 | Stanley Gregory | 16 | Son | — | Pennsylvania |
| 34 | Josephine Gregory | 13 | Daughter | — | Pennsylvania |
| 35 | John Gregory | 9 | Son | — | Pennsylvania |
| 36 | Stanley Sledzinski | 56 | Head | Miner | Lithuania |
| 37 | Cassy Sledzinski | 51 | Wife | — | Lithuania |
| 38 | John Sledzinski | 23 | Son | Delivery Man | Pennsylvania |
| 39 | Francis Sledzinski | 21 | Daughter | New Worker | Pennsylvania |
| 40 | Leo Sledzinski | 19 | Son | — | Pennsylvania |
Related Census Records
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)