OJ
Oscar Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montour-County, Pennsylvania
Our Model Tree links this Oscar Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Montour-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montour-County, Pennsylvania |
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Danville |
| 1935 Residence (County) | Montour |
| Additional Details | |
| Occupation | Auto Mechanic |
| Industry | Automobile Garage |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1500 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Auto Mechanic |
| Township / Ward | Danville |
| Est. Birth Year | ~1908 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Oscar Johnson | Head | — | 32 | ~1908 |
| Oscar Johnson | Son | — | 5 | ~1935 |
| Bernice Johnson | Spouse | — | 25 | ~1915 |
Census Appearances
1910
Montour, Pennsylvania
Son, age 4
Montour, Pennsylvania · implied b. ~1906 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Montour, Pennsylvania
Son, age 13
Montour, Pennsylvania · implied b. ~1907 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Montour, Pennsylvania
Son, age 23
Montour, Pennsylvania · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Auto Repair |
| Industry | Garage Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Montour-County, Pennsylvania
Head, age 32
Montour-County, Pennsylvania · implied b. ~1908 — 3 household members
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Danville |
| 1935 Residence (County) | Montour |
| Occupation | Auto Mechanic |
| Industry | Automobile Garage |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1500 |
| Highest Grade | H-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 Oscar Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence) and mother Julia Johnson (~0.92 confidence) and mother Mrs Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Johnson
b. ~1866
Source father
● Household
· direct · ~0.92
Father
John Johnson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Julia Johnson
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Mrs Johnson
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Johnson
Head · 1940 · age 32 · b. ~1908 · 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 — Montour-County, Pennsylvania
Open full size
1940 US Federal Census — Montour-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03587-00053)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry A. Spearing | 71 | Head | Timekeeper | Pennsylvania |
| 42 | Ella M. Spearing | 67 | Sister | — | Pennsylvania |
| 43 | V. Orville Switzer | 31 | Head | Carpenter | Pennsylvania |
| 44 | Elizabeth B. Switzer | 69 | Wife | — | Pennsylvania |
| 45 | Howard Riley | 66 | Head | — | Pennsylvania |
| 46 | Lucille Riley | 24 | Daughter | — | Pennsylvania |
| 47 | Florence Riley | 23 | Daughter | Seamstress | Pennsylvania |
| 48 | Emily Mae Riley | 21 | Daughter | Seamstress | Pennsylvania |
| 49 | Oscar Johnson THIS PERSON | 32 | Head | Auto Mechanic | Pennsylvania |
| 50 | Bernice B. Johnson | 25 | Wife | — | Pennsylvania |
| 51 | Oscar Jr. Johnson | 5 | Son | — | Pennsylvania |
| 52 | Nelson Harcher | 67 | Head | Working Superintendent | Pennsylvania |
| 53 | Mary Harcher | 64 | Wife | — | Pennsylvania |
| 54 | Ira Harcher | 41 | Brother in law | — | Pennsylvania |
| 55 | Junior Harcher | 21 | Brother in law | Laborer | Pennsylvania |
| 56 | William H. Temple | 60 | Head | — | Pennsylvania |
| 57 | Caroline Temple | 58 | Wife | — | Pennsylvania |
| 58 | Jesse Rickert | 26 | Daughter | — | Pennsylvania |
| 59 | James L. Rickert | 27 | Son in law | Laborer | Pennsylvania |
| 60 | William S. Thomas | 8 | Grandson | — | Pennsylvania |
| 61 | Charles D. Thomas | 5 | Grandson | — | Pennsylvania |
| 62 | Frances C. Thomas | 4 | Granddaughter | — | Pennsylvania |
| 63 | Dorothy M. Rickert | 2 | Grandson | — | Pennsylvania |
| 64 | Bernard Roan | 36 | Head | Visitor | Pennsylvania |
| 65 | Angeline Roan | 32 | Wife | — | New Jersey |
| 66 | Robert Roan | 9 | Son | — | Pennsylvania |
| 67 | Bernice Roan | 6 | Daughter | — | Pennsylvania |
| 68 | Roger Roan | 4 | Son | — | Pennsylvania |
| 69 | Here Ends Block 3 And Begins Block 4 | None | — | — | — |
| 70 | William Shultz | 45 | Head | Janitor | Pennsylvania |
| 71 | May Shultz | 42 | Wife | — | Pennsylvania |
| 72 | Donald Shultz | 20 | Son | Salesman | Pennsylvania |
| 73 | Harold Shultz | 18 | Son | — | Pennsylvania |
| 74 | Mary E. Bausch | 57 | Head | — | Pennsylvania |
| 75 | Paul Bausch | 27 | Son | Bartender | Pennsylvania |
| 76 | Elizabeth Bausch | 22 | Daughter | Seamstress | Pennsylvania |
| 77 | Ann Hoffman | 70 | Head | — | Pennsylvania |
| 78 | Joseph Hoffman | 66 | Brother | Laborer | Pennsylvania |
| 79 | George Gardner | 47 | Head | — | Pennsylvania |
| 80 | Catherine Gardner | 41 | Wife | Beautician | Pennsylvania |
Pedigree Summary
Oscar
Gen 1 · 4 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)