DJ
David Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this David Johnson across the 1920, 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Rachel & John — first a son (b.~1920), then head of a 4-person household.
Age 20
b. ~1920
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Johnson |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkes Barre City |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Occupation | Laborer |
| Industry | Coal Mines |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 390 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Wilkes Barre City |
| Est. Birth Year | ~1920 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Berna Johnson | Daughter | — | 25 | ~1915 |
| Rachel Johnson | Head | — | 63 | ~1877 |
| John Johnson | Son | — | 24 | ~1916 |
| David Johnson | Son | — | 20 | ~1920 |
Census Appearances
1920
Luzerne, Pennsylvania
Son, age
Luzerne, Pennsylvania · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Luzerne, Pennsylvania
Son, age 10
Luzerne, Pennsylvania · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| 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
Luzerne-County, Pennsylvania
Son, age 20
Luzerne-County, Pennsylvania · implied b. ~1920 — 4 household members
| Surname | Johnson |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkes Barre City |
| 1935 Residence (County) | Luzerne |
| Occupation | Laborer |
| Industry | Coal Mines |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 390 |
| 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 David Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Rachel Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Rachel Johnson
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
John Johnson
b. ~1885
Source father
● Household
· direct · ~0.92
This person
Anchor record
David Johnson
Son · 1940 · age 20 · b. ~1920 · Pennsylvania
★ You are viewing this record
Sibling
Berna Johnson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Johnson
Sibling · 1940 · age 24
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-t0627-03562-00054)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sigrid Navera | 21 | Head | New Worker | Pennsylvania |
| 2 | Rudolph Navera | 16 | Son | New Worker | Pennsylvania |
| 3 | Anthony Jackiewicz | 27 | Son-in-law | Machinist | New Jersey |
| 4 | Genevieve Jackiewicz | 22 | Daughter | — | Pennsylvania |
| 5 | Edgar D. Worthington | 35 | Head | Clerk | Pennsylvania |
| 6 | Florence Worthington | 39 | Wife | Chauffeur | Pennsylvania |
| 7 | Donald Worthington | 14 | Son | Waitress | Pennsylvania |
| 8 | Ned Walsh | 24 | Head | — | Pennsylvania |
| 9 | Helen Walsh | 22 | Wife | Helper | Pennsylvania |
| 10 | Jean M. Walsh | 2 | Daughter | — | Pennsylvania |
| 11 | Lucille Deets | 29 | Sister-in-law | Assistant Credit Manager | Pennsylvania |
| 12 | Elmer W. Matthews | 58 | Head | Superintendent | Maine |
| 13 | Edna Matthews | 56 | Wife | Superintendent | Maine |
| 14 | John Chorba | 50 | Head | Lumberman | Connecticut |
| 15 | Mary Chorba | 39 | Wife | Cook | Pennsylvania |
| 16 | John Chorba | 18 | Son | Pin Boy | Pennsylvania |
| 17 | Anna Chorba | 16 | Daughter | — | Pennsylvania |
| 18 | Lillian Chorba | 15 | Daughter | — | Pennsylvania |
| 19 | Rachel Johnson | 63 | Head | — | Pennsylvania |
| 20 | Berna Johnson | 25 | Daughter | — | Pennsylvania |
| 21 | John Johnson | 24 | Son | Lace Worker | Pennsylvania |
| 22 | David Johnson THIS PERSON | 20 | Son | Laborer | Pennsylvania |
| 23 | William Brandt | 43 | Head | — | Pennsylvania |
| 24 | Pearl Brandt | 44 | Wife | Laborer | Pennsylvania |
| 25 | Leilma Brandt | 13 | Daughter | — | Pennsylvania |
| 26 | Richard Reinard | 40 | Head | — | Pennsylvania |
| 27 | Victoria Reinard | 35 | Wife | Laborer | Pennsylvania |
| 28 | Jane Reinard | 14 | Daughter | — | Pennsylvania |
| 29 | Mary Reinard | 8 | Daughter | — | Pennsylvania |
| 30 | Richard Reinard | 7 | Son | — | Pennsylvania |
| 31 | August Knute | 62 | Head | Motorman | Sweden |
| 32 | Siegfried Knute | 30 | Son | Operator | Pennsylvania |
| 33 | Albert Knute | 28 | Son | Operator | Pennsylvania |
| 34 | Ernest Knute | 21 | Son | Bookkeeper | Pennsylvania |
| 35 | Eleanor Knute | 16 | Daughter | — | Pennsylvania |
| 36 | Richard Thomas | 50 | Head | Miner | Pennsylvania |
| 37 | Margaret Thomas | 42 | Wife | — | Pennsylvania |
| 38 | Richard Thomas | 25 | Son | New Worker | Pennsylvania |
| 39 | William Thomas | 14 | Son | — | Pennsylvania |
| 40 | Roland Schmidt | 29 | Son-in-law | Fireman | Pennsylvania |
Pedigree Summary
David + 2 siblings
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)