JW
John Wolfe — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Clair-County, Illinois
Our Model Tree links this John Wolfe across the 1920, 1930 and 1940 US Censuses in St.-Clair-County, Illinois (XGBoost, ~Confirmed), with identified parents Jacob & Nellie — first a head (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Illinois |
| Surname | Wolfe |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | East Adams |
| 1935 Residence (County) | St Clair |
| Additional Details | |
| Occupation | Furnace Operator |
| Industry | Power Generating Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2329 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Furnace Operator |
| Township / Ward | East Adams |
| Est. Birth Year | ~1904 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Zelma Wolfe | Spouse | — | 36 | ~1904 |
| John Wolfe | Head | — | 36 | ~1904 |
| Rachel Wolfe | Daughter | — | 9 | ~1931 |
Census Appearances
Son, age 16
St Clair, Illinois · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Clair, …
Head, age 26
St Clair, Illinois · implied b. ~1904 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolfe |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 24 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Occupation | Furnace worker |
| Industry | Electric Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 27 |
| Radio Set | R |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Clair-County, Illinois
Head, age 36
St.-Clair-County, Illinois · implied b. ~1904 — 3 household members
| Surname | Wolfe |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | East Adams |
| 1935 Residence (County) | St Clair |
| Occupation | Furnace Operator |
| Industry | Power Generating Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2329 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Wolfe across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jacob Wolf (~0.92 confidence) and mother Nellie Wolf (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jacob Wolf
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Nellie Wolf
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Wolfe
Head · 1940 · age 36 · b. ~1904 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — St.-Clair-County, Illinois
Open full size
1940 US Federal Census — St.-Clair-County, Illinois
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-00881-00977)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carl P. Nolley | 44 | Head | Bus Driver | Missouri |
| 42 | Charlotte Nolley | 42 | Wife | Stenographer | Missouri |
| 43 | Charlotte Nolley | 19 | Daughter | — | Missouri |
| 44 | Dale Nolley | 17 | Son | — | Missouri |
| 45 | Gene Nolley | 12 | Daughter | — | Illinois |
| 46 | Ray Mooney | 22 | Head | Filling Station | Illinois |
| 47 | Vera Mooney | 20 | Wife | — | Illinois |
| 48 | Harold Culp | 36 | Head | Advertising Solicitor | Illinois |
| 49 | Dorotha Culp | 28 | Wife | — | Illinois |
| 50 | June Culp | 6 | Daughter | — | Illinois |
| 51 | John L. Ernst | 57 | Head | Building Contractor | Illinois |
| 52 | Lorna L. Ernst | 45 | Wife | — | Illinois |
| 53 | John L. Jr. Ernst | 19 | Son | — | Illinois |
| 54 | Flora W. Ernst | 16 | Daughter | — | Illinois |
| 55 | William Ernst | 15 | Son | — | Illinois |
| 58 | Lloyd P. Bissinger | 53 | Head | Freight Solicitor | Illinois |
| 59 | Florence B. Bissinger | 53 | Wife | — | Illinois |
| 60 | Sterling K. Bissinger | 32 | Son | — | Illinois |
| 61 | Estelle V. Bissinger | 21 | Daughter | Stenographer | Illinois |
| 62 | Lloyd Jr. Bissinger | 19 | Son | New Worker | Illinois |
| 63 | Garland R. Bissinger | 17 | Son | — | Illinois |
| 64 | Elonzo Jr. Renfro | 34 | Head | Newspaper Distribution | Illinois |
| 65 | Mary M. Renfro | 32 | Wife | — | Tennessee |
| 66 | Markita Renfro | 11 | Daughter | — | Illinois |
| 67 | Elonzo Sr. Renfro | 75 | Head | Agent & Telegrapher | Illinois |
| 68 | Jessie E. Renfro | 53 | Wife | — | Louisiana |
| 70 | Luther E. Jones | 39 | Head | Insurance Superintendent | Kentucky |
| 71 | Margaret Jones | 42 | Wife | — | Illinois |
| 72 | Luther J. Jones | 2 | Son | — | Illinois |
| 73 | Wilton P. Rice | 37 | Head | Mail Clerk | Missouri |
| 74 | Marie G. Rice | 38 | Wife | — | Alabama |
| 75 | Thomas P. Rice | 15 | Son | — | Illinois |
| 76 | Robert H. Rice | 13 | Son | — | Illinois |
| 77 | John E. Wolfe THIS PERSON | 36 | Head | Furnace Operator | Missouri |
| 78 | Zelma H. Wolfe | 36 | Wife | — | Illinois |
| 79 | Rachel H. Wolfe | 9 | Daughter | — | Illinois |
| 80 | Stanley Stanleigh | 46 | Head | Pipe Fitter | Illinois |
Related Census Records
Pedigree Summary
John
Gen 1 · 2 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)