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John Stark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this John Stark across the 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Stark |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Avoca Boro |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Yes 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Avoca Boro |
| Est. Birth Year | ~1929 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Marie Stark | Daughter | — | 10 | ~1930 |
| John Stark | Son | — | 11 | ~1929 |
| Joseph Stark | Son | — | 16 | ~1924 |
| Thomas Stark | Son | — | 17 | ~1923 |
| Andrew Stark | Head | — | 42 | ~1898 |
| Ann Stark | Daughter | — | 3 | ~1937 |
| Stanley Stark | Son | — | 13 | ~1927 |
| Laura Stark | Spouse | — | 36 | ~1904 |
| Charlotte Stark | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Luzerne, Pennsylvania
Other, age
Luzerne, Pennsylvania · implied b. ~1930 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stark |
| Given Name | John |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| 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
Luzerne-County, Pennsylvania
Son, age 11
Luzerne-County, Pennsylvania · implied b. ~1929 — 9 household members
| Surname | Stark |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Avoca Boro |
| 1935 Residence (County) | Luzerne |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Yes 4 |
| 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 John Stark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Stark
Son · 1940 · age 11 · b. ~1929 · Pennsylvania
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Sibling
Marie Stark
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Stark
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Stark
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Stark
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Stark
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Stark
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 — 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-t0627-03549-00298)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Mcgowan | 15 | Nephew | — | Pennsylvania |
| 2 | Loretta M. Walsh | 41 | Head | — | Pennsylvania |
| 3 | Loretta Walsh | 17 | Daughter | — | Pennsylvania |
| 4 | Edward Walsh | 15 | Son | — | Pennsylvania |
| 5 | Joseph Walsh | 14 | Son | — | Pennsylvania |
| 6 | James Walsh | 14 | Son | — | Pennsylvania |
| 7 | Rose Walsh | 13 | Daughter | — | Pennsylvania |
| 8 | John Horan | 63 | Head | — | Irish Free State |
| 9 | Bridget Horan | 58 | Wife | — | Irish Free State |
| 10 | Patrick Horan | 25 | Son | Laborer | Pennsylvania |
| 11 | Teresa Horan | 18 | Daughter | New Worker | Pennsylvania |
| 12 | Andrew Stark | 42 | Head | Miner | Poland |
| 13 | Laura Stark | 36 | Wife | — | Pennsylvania |
| 14 | Thomas Stark | 17 | Son | — | Pennsylvania |
| 15 | Joseph Stark | 16 | Son | — | Pennsylvania |
| 16 | Stanley Stark | 13 | Son | — | Pennsylvania |
| 17 | John Stark THIS PERSON | 11 | Son | — | Pennsylvania |
| 18 | Marie Stark | 10 | Daughter | — | Pennsylvania |
| 19 | Charlotte Stark | 7 | Daughter | — | Pennsylvania |
| 20 | Ann Stark | 3 | Daughter | — | Pennsylvania |
| 21 | Vincent Calvey | 36 | Head | Brakeman | Pennsylvania |
| 22 | Hilda Calvey | 35 | Wife | — | Pennsylvania |
| 23 | Vincent Calvey | 15 | Son | — | Pennsylvania |
| 24 | Claire Calvey | 13 | Daughter | — | Pennsylvania |
| 25 | Mary Calvey | 8 | Daughter | — | Pennsylvania |
| 26 | Thomas Calvey | 2 | Son | — | Pennsylvania |
| 27 | Richard Johns | 50 | Head | Laborer | Pennsylvania |
| 28 | Margaret Johns | 52 | Wife | — | Pennsylvania |
| 29 | Samuel O'Hare | 28 | Son-in-law | Laborer | Scotland |
| 30 | Margaret O'Hare | 23 | Daughter | — | Pennsylvania |
| 31 | Mary O'Hare | 2 | Grand Daughter | — | Pennsylvania |
| 32 | Emma Cavalari | 46 | Head | — | Pennsylvania |
| 33 | William Cavalari | 20 | Son | New Worker | Pennsylvania |
| 34 | Mary Cavalari | 17 | Daughter | — | Pennsylvania |
| 35 | Mabel Cavalari | 14 | Daughter | — | Pennsylvania |
| 36 | Dorothy Cavalari | 11 | Daughter | — | Pennsylvania |
| 37 | Loraine Cavalari | 9 | Daughter | — | Pennsylvania |
| 38 | Gerald Cavalari | 5 | Son | — | Pennsylvania |
| 39 | Alfred Grace | 58 | Head | Laborer | England |
| 40 | Elizabeth Grace | 50 | 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)