MS
Mary Shea — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this Mary Shea across the 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Shea |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittston City |
| 1935 Residence (County) | Lackawanna |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittston City |
| Est. Birth Year | ~1923 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Theresa Shea | Daughter | — | 11 | ~1929 |
| Joan Shea | Daughter | — | 13 | ~1927 |
| Ruth Shea | Daughter | — | 14 | ~1926 |
| Mary Shea | Daughter | — | 17 | ~1923 |
| John Shea | Head | — | 57 | ~1883 |
| Francis Shea | Son | — | 21 | ~1919 |
| Joseph Shea | Son | — | 23 | ~1917 |
| Nellie Shea | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Luzerne, Pennsylvania
Daughter, age 6
Luzerne, Pennsylvania · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shea |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ireland Free State |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Luzerne-County, Pennsylvania
Daughter, age 17
Luzerne-County, Pennsylvania · implied b. ~1923 — 8 household members
| Surname | Shea |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittston City |
| 1935 Residence (County) | Lackawanna |
| 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 Shea across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Shea
Daughter · 1940 · age 17 · b. ~1923 · Pennsylvania
★ You are viewing this record
Sibling
Ruth Shea
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Shea
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Shea
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Shea
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Shea
Sibling · 1940 · age 11
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-t0627-03558-00143)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward O'Boyle | 10 | Son | — | Pennsylvania |
| 2 | Katherine O'Boyle | 7 | Daughter | — | Pennsylvania |
| 3 | John P. Mchadley | 58 | Head | Laborer | Pennsylvania |
| 4 | Katherine Mchadley | 55 | Wife | — | Pennsylvania |
| 5 | Mae Mchadley | 25 | Daughter | — | Pennsylvania |
| 6 | John Jr. Mchadley | 23 | Son | — | Pennsylvania |
| 7 | John D. Chaplick | 61 | Head | Proprietor | Lithuania |
| 8 | Frances Chaplick | 51 | Wife | — | Lithuania |
| 9 | Fred Lewis | 31 | Head | Laborer | Pennsylvania |
| 10 | Delpha Lewis | 21 | Wife | — | Pennsylvania |
| 11 | Thomas Lewis | 13 | Son | — | Pennsylvania |
| 12 | Edna Lewis | 11 | Daughter | — | Pennsylvania |
| 13 | Dorothy Lewis | 9 | Daughter | — | Pennsylvania |
| 14 | Leroy Lewis | 5 | Son | — | Pennsylvania |
| 15 | Fred B. Perry | 36 | Head | Laborer | Pennsylvania |
| 16 | Eugenia Perry | 31 | Wife | — | Pennsylvania |
| 17 | Doreth Perry | 8 | Daughter | — | Pennsylvania |
| 18 | John Shea | 57 | Head | Caller | Pennsylvania |
| 19 | Nellie C. Shea | 49 | Wife | — | Pennsylvania |
| 20 | Joseph Shea | 23 | Son | New Worker | Pennsylvania |
| 21 | Francis Shea | 21 | Son | Machinist | Pennsylvania |
| 22 | Mary Shea THIS PERSON | 17 | Daughter | — | Pennsylvania |
| 23 | Ruth Shea | 14 | Daughter | — | Pennsylvania |
| 24 | Joan Shea | 13 | Daughter | — | Pennsylvania |
| 25 | Theresa Shea | 11 | Daughter | — | Pennsylvania |
| 26 | Winifred Miller | 51 | Head | — | Lithuania |
| 27 | Joseph B. Miller | 28 | Son | Laborer | Pennsylvania |
| 28 | Anne Miller | 21 | Daughter | Clerical Work | Pennsylvania |
| 29 | Alice Miller | 11 | Daughter | — | Pennsylvania |
| 30 | Alberta Miller | 11 | Daughter | — | Pennsylvania |
| 31 | Joseph Gribble | 37 | Head | Laborer | Pennsylvania |
| 32 | Maria Gribble | 32 | Wife | — | Pennsylvania |
| 33 | Catherine Gribble | 2 | Daughter | — | Pennsylvania |
| 34 | Antionette Lidani | 54 | Head | — | Lithuania |
| 35 | Marcella Labanski | 26 | Daughter | Maid | Lithuania |
| 36 | Peter Labanski | 7 | Grandson | — | Pennsylvania |
| 37 | Joseph Labanski | 6 | Grandson | — | Pennsylvania |
| 38 | Charles Gardner | 27 | Head | Laborer | Pennsylvania |
| 39 | Leona E. Gardner | 25 | Wife | — | Pennsylvania |
| 40 | Joseph Gardner | 4 | Son | — | 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)