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John Lester — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Pennsylvania
Our Model Tree links this John Lester across the 1930 and 1940 US Censuses in Jefferson-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Pennsylvania |
| Surname | Lester |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mc Calmont township |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Coal loader |
| Industry | Mines |
| Class of Worker | PW |
| Hours Worked | 14 |
| Income (1939) | 400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Coal Loader |
| Township / Ward | Mc Calmont Township |
| Est. Birth Year | ~1919 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Lester | Son | — | 21 | ~1919 |
| Clara Lester | Spouse | — | 54 | ~1886 |
| Ruth Lester | Daughter | — | 19 | ~1921 |
| Emma Lester | Daughter | — | 24 | ~1916 |
| Helen Lester | Daughter | — | 26 | ~1914 |
| Philip Lester | Head | — | 55 | ~1885 |
Census Appearances
1930
Jefferson, Pennsylvania
Son, age 10
Jefferson, Pennsylvania · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lester |
| Given Name | John P |
| 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
Jefferson-County, Pennsylvania
Son, age 21
Jefferson-County, Pennsylvania · implied b. ~1919 — 6 household members
| Surname | Lester |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mc Calmont township |
| 1935 Residence (County) | Jefferson |
| Occupation | Coal loader |
| Industry | Mines |
| Class of Worker | PW |
| Hours Worked | 14 |
| Income (1939) | 400 |
| 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 John Lester across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Lester
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Emma Lester
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Lester
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Lester
Sibling · 1940 · age 26
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 — Jefferson-County, Pennsylvania
Open full size
1940 US Federal Census — Jefferson-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03519-00557)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Paul Frazier | 1 | Son | — | Pennsylvania |
| 2 | John B. Johnson | 46 | Head | Seamstress | Pennsylvania |
| 3 | Mary Johnson | 42 | Wife | — | Pennsylvania |
| 4 | Donald Johnson | 17 | Son | — | Pennsylvania |
| 5 | Gaye Johnson | 15 | Daughter | — | Pennsylvania |
| 6 | Betty Johnson | 13 | Daughter | — | Pennsylvania |
| 7 | John Jr. Johnson | 11 | Son | — | Pennsylvania |
| 8 | Veronica Harbeck | 74 | Head | — | Austria |
| 9 | Margaret Sullivan | 30 | Daughter | — | Pennsylvania |
| 10 | Gertrude Sullivan | 12 | Grand daughter | — | Pennsylvania |
| 11 | George Jr. Sullivan | 8 | Grandson | — | Pennsylvania |
| 12 | John Jarbeck | 35 | Son | Coal Loader | Pennsylvania |
| 13 | Ralph D. Brach | 49 | Head | Laborer | Italy |
| 14 | Helen Brach | 22 | Wife | — | Pennsylvania |
| 15 | Mary Brach | 7 | Daughter | — | Pennsylvania |
| 16 | Thomas Brach | 5 | Son | — | Pennsylvania |
| 17 | Ralph Jr. Brach | 3 | Son | — | Pennsylvania |
| 18 | Donald Brach | 1 | Son | — | Pennsylvania |
| 19 | Charles D. Kramer | 64 | Head | Laborer | Pennsylvania |
| 20 | Alice Kramer | 50 | Wife | — | Pennsylvania |
| 21 | George Kramer | 14 | Son | — | Pennsylvania |
| 22 | Rowland R. Yard | 24 | Head | Laborer | Pennsylvania |
| 23 | Lucille Yard | 21 | Wife | — | Pennsylvania |
| 24 | Donald Yard | 1 | Son | — | Pennsylvania |
| 25 | Walter W. Snidder | 69 | Head | Laborer | Pennsylvania |
| 26 | Dora Snidder | 47 | Daughter | — | Pennsylvania |
| 27 | Edgar Snidder | 31 | Son | Laborer | Pennsylvania |
| 28 | Clair Smith | 35 | Head | Laborer | Pennsylvania |
| 29 | Janet Smith | 28 | Wife | — | Pennsylvania |
| 30 | Jean Smith | 11 | Daughter | — | New York |
| 31 | William Smith | 4 | Son | — | Pennsylvania |
| 32 | Sandra Smith | 2 | Daughter | — | Pennsylvania |
| 33 | Philip Lester | 55 | Head | Coal Loader | Pennsylvania |
| 34 | Clara Lester | 54 | Wife | — | Pennsylvania |
| 35 | Helen Lester | 26 | Daughter | Clerk | Pennsylvania |
| 36 | Emma Lester | 24 | Daughter | — | Pennsylvania |
| 37 | John Lester THIS PERSON | 21 | Son | Coal Loader | Pennsylvania |
| 38 | Ruth Lester | 19 | Daughter | — | Pennsylvania |
| 39 | Thomas Walker | 63 | Head | Leaser | Pennsylvania |
| 40 | Jennie Walker | 58 | Wife | — | 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)