EJ
Earl Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this Earl Johnson across the 1920, 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & J — first a son (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Johnson |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona City |
| 1935 Residence (County) | Blair |
| Additional Details | |
| Occupation | Apprentice |
| Industry | Railroad Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 960 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Apprentice |
| Township / Ward | Altoona City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Earl | Age | Birth yr |
|---|---|---|---|---|
| Lucile Johnson | Daughter | — | 32 | ~1908 |
| J Johnson | Head | — | 66 | ~1874 |
| Richard Johnson | Son | — | 24 | ~1916 |
| Earl Johnson | Son | — | 29 | ~1911 |
| Robert Johnson | Son | — | 26 | ~1914 |
| Elmira Johnson | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Blair, Pennsylvania
Son, age 8
Blair, Pennsylvania · implied b. ~1912 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Earl |
| 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
Blair, Pennsylvania
Son, age 19
Blair, Pennsylvania · implied b. ~1911 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Age at First Marriage | 19 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Electrician |
| Industry | Newspaper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Blair-County, Pennsylvania
Son, age 29
Blair-County, Pennsylvania · implied b. ~1911 — 6 household members
| Surname | Johnson |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona City |
| 1935 Residence (County) | Blair |
| Occupation | Apprentice |
| Industry | Railroad Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 960 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| 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 Earl Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Johnson (~0.92 confidence) and father J Johnson (~0.92 confidence) and father James Johnson (~0.92 confidence) and mother Elmira Johnson (~0.92 confidence) and mother Elmira Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Johnson
b. ~1874
Source father
● Household
· direct · ~0.92
Father
J Johnson
b. ~1874
Source father
● Household
· direct · ~0.92
Father
James Johnson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Elmira Johnson
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Elmira Johnson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Earl Johnson
Son · 1940 · age 29 · b. ~1911 · Pennsylvania
★ You are viewing this record
Sibling
Richard Johnson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Johnson
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucile Johnson
Sibling · 1940 · age 32
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 — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03439-00094)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Kirkpatrick | 43 | Head | Blacksmith | Pennsylvania |
| 2 | Helen O Kirkpatrick | 42 | Wife | — | Pennsylvania |
| 3 | Virginia Kirkpatrick | 22 | Daughter | — | Pennsylvania |
| 4 | William Kirkpatrick | 21 | Son | New Worker | Pennsylvania |
| 5 | Betty Jane Kirkpatrick | 14 | Daughter | — | Pennsylvania |
| 6 | Thomas Mcclain | 40 | Head | Oper Hammer | Pennsylvania |
| 7 | Laura B Mcclain | 39 | Wife | — | Pennsylvania |
| 8 | Mary Mcclain | 17 | Daughter | Secretary | Pennsylvania |
| 9 | Ida Mcclain | 12 | Daughter | — | Pennsylvania |
| 10 | Clair Mcclain | 5 | Son | — | Pennsylvania |
| 11 | W. A. G. Mcmullen | 69 | Head | — | Pennsylvania |
| 12 | Ida C Mcmullen | 60 | Wife | — | Pennsylvania |
| 13 | John W Ashman | 39 | Head | Clerk | Pennsylvania |
| 14 | Maude B Ashman | 34 | Wife | — | Pennsylvania |
| 15 | Ella Stoufer | 76 | Mother | — | Pennsylvania |
| 16 | James A Horner | 55 | Head | Trainman | Pennsylvania |
| 17 | Anna Horner | 49 | Wife | — | Pennsylvania |
| 18 | Marie Horner | 24 | Daughter | Waitress | Pennsylvania |
| 19 | Robert Horner | 21 | Son | New Worker | Pennsylvania |
| 20 | Lorna Horner | 20 | Daughter | Clerk | Pennsylvania |
| 21 | Here Ends Block 143 - Begins Block 144 | None | — | — | — |
| 22 | Charles P Green | 41 | Head | Machinist | Pennsylvania |
| 23 | Martha B Green | 40 | Wife | — | Pennsylvania |
| 24 | William Green | 11 | Son | — | Pennsylvania |
| 25 | Leonard Green | 7 | Son | — | Pennsylvania |
| 26 | Robert Troutman | 37 | Head | Boiler Maker | Pennsylvania |
| 27 | Mary Troutman | 40 | Wife | — | Pennsylvania |
| 28 | Robert Jr Troutman | 16 | Son | — | Pennsylvania |
| 29 | J. W. Merritts | 72 | Head | — | Pennsylvania |
| 30 | M. C. Merritts | 47 | Son | Signal Painter | Pennsylvania |
| 31 | Ella Merritts | 48 | Wife | — | Pennsylvania |
| 32 | Helen A Merritts | 21 | Daughter | — | Pennsylvania |
| 33 | J. B. Johnson | 66 | Head | Freight Conductor | Pennsylvania |
| 34 | Elmira Johnson | 65 | Wife | — | Pennsylvania |
| 35 | Lucile Johnson | 32 | Daughter | — | Pennsylvania |
| 36 | Earl Johnson THIS PERSON | 29 | Son | Apprentice | Pennsylvania |
| 37 | Robert R Johnson | 26 | Son | Laborer | Pennsylvania |
| 38 | Richard J Johnson | 24 | Son | Apprentice | Pennsylvania |
| 39 | W. C. Heller | 36 | Head | Electric Welder | Pennsylvania |
| 40 | Edna Heller | 35 | Wife | — | Pennsylvania |
Related Census Records
Pedigree Summary
Earl + 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)