LJ
Lester Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Northampton-County, Pennsylvania
Our Model Tree links this Lester Johnson across the 1930 and 1940 US Censuses in Northampton-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 16-person household.
Age 15
b. ~1925
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Northampton-County, Pennsylvania |
| Surname | Johnson |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Nazareth |
| 1935 Residence (County) | Northampton |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Upper Nazareth |
| Est. Birth Year | ~1925 |
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.
16 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lester | Age | Birth yr |
|---|---|---|---|---|
| Raymond Johnson | Head | — | 47 | ~1893 |
| Minnie Johnson | Daughter | — | 9 | ~1931 |
| Rose Tarnok | Daughter | — | 15 | ~1925 |
| Alfred Johnson | Son | — | 23 | ~1917 |
| William Tarnok | Son | — | 24 | ~1916 |
| Rosa Tarnok | Other | — | 53 | ~1887 |
| Rose Johnson | Daughter | — | 8 | ~1932 |
| Elsie Johnson | Spouse | — | 41 | ~1899 |
| Lester Johnson | Son | — | 15 | ~1925 |
| Clyde Johnson | Son | — | 18 | ~1922 |
| Helen Tarnok | Daughter | — | 19 | ~1921 |
| Anna Tarnok | Daughter | — | 27 | ~1913 |
| Walter Johnson | Son | — | 10 | ~1930 |
| Mark Johnson | Son | — | 13 | ~1927 |
| Michael Tarnok | Son | — | 17 | ~1923 |
| Viola Johnson | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Northampton, Pennsylvania
Son, age 5
Northampton, Pennsylvania · implied b. ~1925 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lester W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Northampton-County, Pennsylvania
Son, age 15
Northampton-County, Pennsylvania · implied b. ~1925 — 16 household members
| Surname | Johnson |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Nazareth |
| 1935 Residence (County) | Northampton |
| Highest Grade | No 5 |
| 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 Lester Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lester Johnson
Son · 1940 · age 15 · b. ~1925 · Pennsylvania
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Sibling
Michael Tarnok
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Tarnok
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Tarnok
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Johnson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Johnson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clyde Johnson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Tarnok
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mark Johnson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Tarnok
Sibling · 1940 · age 15
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 — Northampton-County, Pennsylvania
Open full size
1940 US Federal Census — Northampton-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03594-00267)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Betz | 22 | Son | Gypsum Soaker | Pennsylvania |
| 2 | Joseph Betz | 21 | Son | Laborer | Pennsylvania |
| 3 | Rose Betz | 19 | Daughter | Machine Operator | Pennsylvania |
| 4 | Alfred Betz | 17 | Son | — | Pennsylvania |
| 5 | Edward Betz | 16 | Son | — | Pennsylvania |
| 6 | Mary Betz | 14 | Daughter | — | Pennsylvania |
| 7 | Martin Dragonitz | 54 | Head | Miller | Austria |
| 8 | Johanna Dragonitz | 50 | Wife | — | Austria |
| 9 | Louise Dragonitz | 20 | Daughter | Weaver | Pennsylvania |
| 10 | Emil Dragonitz | 18 | Son | — | Pennsylvania |
| 11 | Martin Dragonitz | 16 | Son | — | Pennsylvania |
| 12 | Raymond Johnson | 47 | Head | Laborer | New Jersey |
| 13 | Elsie Johnson | 41 | Wife | — | Pennsylvania |
| 14 | Alfred Johnson | 23 | Son | Laborer | Pennsylvania |
| 15 | Clyde Johnson | 18 | Son | New Worker | Pennsylvania |
| 16 | Lester Johnson THIS PERSON | 15 | Son | — | Pennsylvania |
| 17 | Viola Johnson | 14 | Daughter | — | Pennsylvania |
| 18 | Mark Johnson | 13 | Son | — | Pennsylvania |
| 19 | Walter Johnson | 10 | Son | — | Pennsylvania |
| 20 | Minnie Johnson | 9 | Daughter | — | Pennsylvania |
| 21 | Rose Johnson | 8 | Daughter | — | Pennsylvania |
| 22 | Rosa Tarnok | 53 | Mother | — | Austria |
| 23 | Anna Tarnok | 27 | Daughter | Seaming | New York |
| 24 | William Tarnok | 24 | Son | Laborer | Pennsylvania |
| 25 | Helen Tarnok | 19 | Daughter | Machine Operator | Pennsylvania |
| 26 | Michael Tarnok | 17 | Son | — | Pennsylvania |
| 27 | Rose Tarnok | 15 | Daughter | — | Pennsylvania |
| 28 | Mathias Kopritz | 38 | Head | Repairman | Austria |
| 29 | Stella Kopritz | 32 | Wife | — | Austria |
| 30 | John Kopritz | 12 | Son | — | Pennsylvania |
| 31 | Stella Kopritz | 6 | Daughter | — | Pennsylvania |
| 32 | Angelina Frisch | 46 | Daughter | — | Austria |
| 33 | Emma Frisch | 19 | Daughter | Machine Operator | Pennsylvania |
| 34 | Angeline Frisch | 17 | Daughter | — | Pennsylvania |
| 35 | Frank Frisch | 13 | Son | — | Pennsylvania |
| 36 | Charles Jandresitz | 50 | Head | Foreman | Austria |
| 37 | Theresa Jandresitz | 41 | Wife | — | Austria |
| 38 | Urban Adolph Jandresitz | 22 | Step-son | Laborer | Pennsylvania |
| 39 | Agnes Jandresitz | 20 | Daughter | Weaver | Pennsylvania |
| 40 | Joseph Jandresitz | 16 | Son | — | Pennsylvania |
Related Census Records
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)