OJ
Oliver Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this Oliver Johnson across the 1920, 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 5-person household.
Age 66
b. ~1874
Male
Head
Born: West Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | Johnson |
| Given Name | Oliver |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | West Virginia |
| 1935 Residence (City) | East Bethlehem Township |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | East Bethlehem Township |
| Est. Birth Year | ~1874 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oliver | Age | Birth yr |
|---|---|---|---|---|
| Ray Johnson | Son | — | 18 | ~1922 |
| John Johnson | Son | — | 36 | ~1904 |
| Oliver Johnson | Head | — | 66 | ~1874 |
| Sarah Johnson | Spouse | — | 62 | ~1878 |
| Margaret Johnson | Daughter | — | 33 | ~1907 |
Census Appearances
1920
Washington, Pennsylvania
Head, age 46
Washington, Pennsylvania · implied b. ~1874 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oliver |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | West Virginia |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Driver |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1930
Washington, Pennsylvania
Head, age 56
Washington, Pennsylvania · implied b. ~1874 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oliver |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | West Virginia |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Veteran | No |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Washington-County, Pennsylvania
Head, age 66
Washington-County, Pennsylvania · implied b. ~1874 — 5 household members
| Surname | Johnson |
| Given Name | Oliver |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | West Virginia |
| 1935 Residence (City) | East Bethlehem Township |
| 1935 Residence (County) | Washington |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
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 Oliver Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Oliver Johnson
Head · 1940 · age 66 · b. ~1874 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Washington-County, Pennsylvania
Open full size
1940 US Federal Census — Washington-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03623-00193)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred R. Harshberger | 70 | Head | — | Pennsylvania |
| 42 | William Gregg | 48 | Head | — | Pennsylvania |
| 43 | Mary Gregg | 55 | Wife | — | Pennsylvania |
| 44 | Lloyd Gregg | 18 | Son | New Worker | Pennsylvania |
| 45 | Herman Bernikel | 60 | Head | Brew Master | Germany |
| 46 | Mary Bernikel | 73 | Wife | — | Germany |
| 47 | John Ferrara | 57 | Head | Room Man | Pennsylvania |
| 48 | Laura D. Ferrara | 54 | Wife | — | Pennsylvania |
| 49 | Clarince Powell | 49 | Head | Miner | Pennsylvania |
| 50 | Elizabeth Powell | 46 | Wife | — | Pennsylvania |
| 51 | Clarence Powell | 27 | Son | Miner | Pennsylvania |
| 52 | Clifford Powell | 23 | Son | Truck Driver | Pennsylvania |
| 53 | Doris Powell | 19 | Daughter | — | Pennsylvania |
| 54 | Margie Belle Powell | 17 | Daughter | — | Pennsylvania |
| 55 | Margaret Irwin | 80 | Head | — | England |
| 56 | Oliver Johnson THIS PERSON | 66 | Head | — | West Virginia |
| 57 | Sarah Johnson | 62 | Wife | — | Pennsylvania |
| 58 | John Johnson | 36 | Son | Miner | Pennsylvania |
| 59 | Margaret Johnson | 33 | Daughter | — | Pennsylvania |
| 60 | Ray Johnson | 18 | Son | — | Pennsylvania |
| 61 | Irwin Williams | 48 | Head | Farmer | Pennsylvania |
| 62 | Mary Williams | 44 | Wife | — | Pennsylvania |
| 63 | Glen Williams | 15 | Son | — | Pennsylvania |
| 64 | Robert Williams | 13 | Son | — | Pennsylvania |
| 65 | Edward Noel | 42 | Head | Truck Driver | Pennsylvania |
| 66 | Verna Noel | 42 | Wife | Clerk | Pennsylvania |
| 67 | Cabe Noel | 19 | Son | New Worker | Pennsylvania |
| 68 | Clyde Copenhaver | 37 | Head | Miner | Pennsylvania |
| 69 | Margaret Copenhaver | 24 | Wife | — | Pennsylvania |
| 70 | Jack Copenhaver | 1 | Son | — | Pennsylvania |
| 71 | Marion Ventura | 30 | Head | Teacher | Italy |
| 72 | Helena Ventura | 29 | Wife | — | Pennsylvania |
| 73 | Marion Ruth Ventura | 5 | Daughter | — | Pennsylvania |
| 74 | Fergus Irwin | 60 | Head | Miner | Pennsylvania |
| 75 | Lucy Irwin | 49 | Wife | Proprietor | Pennsylvania |
| 76 | Mary Stultz | 31 | Lodger | — | Pennsylvania |
| 77 | Arthur Columbine | 51 | Head | Care Taker | Canada |
| 78 | Jacob E. Kline | 57 | Head | Merchant | Pennsylvania |
| 79 | Rudolph Tuckenrod | 54 | Head | Miner | Germany |
| 80 | Blanche Tuckenrod | 54 | Wife | Merchant | 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)