HJ
Harold Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Potter-County, Pennsylvania
Our Model Tree links this Harold Johnson across the 1920, 1930 and 1940 US Censuses in Potter-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Edward — first a son (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Potter-County, Pennsylvania |
| Surname | Johnson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Austin Boro |
| Additional Details | |
| Occupation | Master Tower Mechanic |
| Industry | Paper Mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 2000 |
| Highest Grade | No 8 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Master Tower Mechanic |
| Township / Ward | Austin Boro |
| Est. Birth Year | ~1911 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Johnson | Daughter | — | 21 | ~1919 |
| John Johnson | Head | — | 73 | ~1867 |
| Ormal Johnson | Son | — | 18 | ~1922 |
| Gilbert Johnson | Son | — | 24 | ~1916 |
| Harold Johnson | Son | — | 29 | ~1911 |
Census Appearances
1920
Potter, Pennsylvania
Son, age 8
Potter, Pennsylvania · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Potter, Pennsylvania
Son, age 18
Potter, Pennsylvania · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Tannery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Potter-County, Pennsylvania
Son, age 29
Potter-County, Pennsylvania · implied b. ~1911 — 5 household members
| Surname | Johnson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Austin Boro |
| Occupation | Master Tower Mechanic |
| Industry | Paper Mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 2000 |
| Highest Grade | No 8 |
| 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 Harold Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Johnson (~0.92 confidence) and father Edward Johnson (~0.92 confidence) and father Edward Johnson (~0.92 confidence) and mother Katherine Johnson (~0.92 confidence) and mother Catherine Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Johnson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Edward Johnson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Edward Johnson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Katherine Johnson
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Catherine Johnson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Johnson
Son · 1940 · age 29 · b. ~1911 · Pennsylvania
★ You are viewing this record
Sibling
Gilbert Johnson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Johnson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ormal Johnson
Sibling · 1940 · age 18
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 — Potter-County, Pennsylvania
Open full size
1940 US Federal Census — Potter-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03600-00281)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Florence S. Burnett | 39 | Wife | Teacher | Pennsylvania |
| 42 | Bernadine Burnett | 15 | Daughter | — | Pennsylvania |
| 43 | Charles Burnett | 9 | Son | — | Pennsylvania |
| 44 | Barbara Burnett | 8 | Daughter | — | Pennsylvania |
| 45 | Mary E. Higgins | 64 | Head | — | New York |
| 46 | William J. Higgins | 32 | Son | Chief Clerk | New York |
| 47 | John D. Roberts | 43 | Head | Loader | Pennsylvania |
| 48 | Cora Roberts | 39 | Wife | — | Pennsylvania |
| 49 | Thomas Roberts | 10 | Son | — | Pennsylvania |
| 50 | John Jr. Roberts | 9 | Son | — | Pennsylvania |
| 51 | Howard Campbell | 32 | Head | Drayman | Pennsylvania |
| 52 | Bessie P. Campbell | 28 | Wife | — | Pennsylvania |
| 53 | Gene Campbell | 10 | Son | — | Pennsylvania |
| 54 | Kenneth Campbell | 7 | Son | — | Pennsylvania |
| 55 | Betty Campbell | 5 | Daughter | — | Pennsylvania |
| 56 | Andrew Van Epps | 54 | Head | Contractor | Pennsylvania |
| 57 | Lina Van Epps | 55 | Wife | — | Pennsylvania |
| 58 | Irma Van Epps | 24 | Daughter | Beautician | Pennsylvania |
| 59 | Corneline Donovan | 34 | Lodger | Shipping Clerk | Pennsylvania |
| 60 | Hulbert Goodwin | 25 | Head | Beater Man | Pennsylvania |
| 61 | Excess Line Goodwin | None | <- | — | — |
| 62 | Anna W. Young | 72 | Head | — | Sweden |
| 63 | Hulbert Young | 37 | Son | — | Pennsylvania |
| 64 | Henrietta Hammond | 59 | Head | — | Pennsylvania |
| 65 | Leroy Jr. Hammond | 20 | Son | Clerk | Pennsylvania |
| 66 | Ainsley Hammond | 19 | Son | Clerk | Pennsylvania |
| 67 | Marion E. Hammond | 30 | Daughter | — | Pennsylvania |
| 68 | Ruth E. Hammond | 23 | Daughter | Reg. Nurse | Pennsylvania |
| 69 | Left One Line Too Many <- | None | <- | — | — |
| 70 | Pearl Lerch | 40 | Head | — | New York |
| 71 | Donald C. Lerch | 16 | Son | — | Pennsylvania |
| 72 | Betty Jean Lerch | 14 | Daughter | — | Pennsylvania |
| 73 | Clark M. Lerch | 10 | Son | — | Pennsylvania |
| 74 | Jeannine Lerch | 9 | Daughter | — | Pennsylvania |
| 75 | John Johnson | 73 | Head | — | Sweden |
| 76 | Harold Johnson THIS PERSON | 29 | Son | Master Tower Mechanic | Pennsylvania |
| 77 | Gilbert Johnson | 24 | Son | Pipe Fitter | Pennsylvania |
| 78 | Evelyn Johnson | 21 | Daughter | Work In Wax Room | Pennsylvania |
| 79 | Ormal Johnson | 18 | Son | Screen Man | Pennsylvania |
| 80 | Eva Marek | 51 | Head | — | Poland |
Pedigree Summary
Harold + 3 siblings
Gen 1 · 5 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)