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John Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lackawanna-County, Pennsylvania
Our Model Tree links this John Smith across the 1920, 1930 and 1940 US Censuses in Lackawanna-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Anthony & Paulina — first a head (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Male
Head
Born: Poland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lackawanna-County, Pennsylvania |
| Surname | Smith |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Scranton |
| 1935 Residence (County) | Lackawanna |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Miner |
| Industry | Coal-mine |
| Class of Worker | PW |
| Hours Worked | 14 |
| Income (1939) | 1020 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Occupation | Miner |
| Township / Ward | Scranton |
| Est. Birth Year | ~1900 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Charlotte Smith | Daughter | — | 18 | ~1922 |
| John Smith | Head | — | 40 | ~1900 |
| John Smith | Son | — | 13 | ~1927 |
| Gerard Smith | Son | — | 16 | ~1924 |
| Leonard Smith | Son | — | 5 | ~1935 |
| Edward Smith | Son | — | 11 | ~1929 |
| Robert Smith | Son | — | 7 | ~1933 |
| Anna Smith | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Lackawanna, Pennsylvania
Son, age 18
Lackawanna, Pennsylvania · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Poland |
| Father's Birthplace | Poland OC |
| Mother's Birthplace | Poland OC |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Polish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1930
Lackawanna, Pennsylvania
Head, age 29
Lackawanna, Pennsylvania · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Poland |
| Year of Immigration | 1914 |
| Age at First Marriage | 21 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Polish |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1940
Lackawanna-County, Pennsylvania
Head, age 40
Lackawanna-County, Pennsylvania · implied b. ~1900 — 8 household members
| Surname | Smith |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Scranton |
| 1935 Residence (County) | Lackawanna |
| Naturalization Status | Naturalized |
| Occupation | Miner |
| Industry | Coal-mine |
| Class of Worker | PW |
| Hours Worked | 14 |
| Income (1939) | 1020 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
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 Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Anthony Smith (~0.92 confidence) and mother Paulina Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Anthony Smith
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Paulina Smith
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Smith
Head · 1940 · age 40 · b. ~1900 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lackawanna-County, Pennsylvania
Open full size
1940 US Federal Census — Lackawanna-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03682-00007)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leo Hart | 38 | Brother-in-law | Laborer | Pennsylvania |
| 2 | Ace Griffiths | 27 | Head | Laborer | Pennsylvania |
| 3 | Helen Griffiths | 22 | Wife | — | Pennsylvania |
| 4 | Carol-Ann Griffiths | 2 | Daughter | — | Pennsylvania |
| 5 | Frank Baugard | 41 | Head | Machine-Runner | Lithuania |
| 6 | Ella Baugard | 35 | Wife | — | Pennsylvania |
| 7 | Edward Baugard | 13 | Son | — | Pennsylvania |
| 8 | Eleanor Baugard | 11 | Daughter | — | Pennsylvania |
| 9 | Frank Jr. Baugard | 2 | Son | — | Pennsylvania |
| 10 | Ruth Kersavage | 16 | Niece | — | Pennsylvania |
| 11 | — | None | Block | — | — |
| 12 | — | None | Block | — | — |
| 13 | Teofil Holzman | 75 | Head | — | Poland |
| 14 | Augusta Holzman | 65 | Wife | — | Germany |
| 15 | Edward Holzman | 20 | Son | Laborer | Pennsylvania |
| 16 | Esther Holzman | 19 | Daughter-in-law | — | Connecticut |
| 17 | Robert Holzman | 1 | Grand-son | — | Pennsylvania |
| 18 | Steven Stafko | 35 | Head | Miner | Pennsylvania |
| 19 | Esther Stafko | 33 | Wife | — | Pennsylvania |
| 20 | Delores Stafko | 13 | Daughter | — | Pennsylvania |
| 21 | Geraldine Stafko | 9 | Daughter | — | Pennsylvania |
| 22 | John Price | 57 | Head | Laborer | Poland |
| 23 | Mary Price | 52 | Wife | — | Poland |
| 24 | Louise Linnerck | 57 | Head | — | Russia |
| 25 | Edwin Linnerck | 24 | Son | Laborer | Pennsylvania |
| 26 | Walter Linnerck | 19 | Son | Construction | Pennsylvania |
| 27 | Lillian Linnerck | 17 | Daughter | Store-Clerk | Pennsylvania |
| 28 | Leonard Linnerck | 14 | Son | — | Pennsylvania |
| 29 | Ferdinand Pencek | 22 | Head | Laborer | Pennsylvania |
| 30 | Romayne Pencek | 17 | Wife | — | Pennsylvania |
| 31 | John Smith THIS PERSON | 40 | Head | Miner | Poland |
| 32 | Anna Smith | 36 | Wife | Dressmaker | Pennsylvania |
| 33 | Charlotte Smith | 18 | Daughter | House-Work | Pennsylvania |
| 34 | Gerard Smith | 16 | Son | New Worker | Pennsylvania |
| 35 | John Smith | 13 | Son | — | Pennsylvania |
| 36 | Edward Smith | 11 | Son | — | Pennsylvania |
| 37 | Robert Smith | 7 | Son | — | Pennsylvania |
| 38 | Leonard Smith | 5 | Son | — | Pennsylvania |
| 39 | William Spear | 41 | Head | Machinist Helper | Pennsylvania |
| 40 | Sally Spear | 36 | Wife | — | New York |
Pedigree Summary
John
Gen 1 · 2 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)