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Robert Wolf — 1940 US Census Record
Model Tree available1940 United States Federal Census · Union-County, Illinois
Our Model Tree links this Robert Wolf across the 1920, 1930 and 1940 US Censuses in Union-County, Illinois (XGBoost, ~Confirmed), with identified parents Joe & Carrie — first a head (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, Illinois |
| Surname | Wolf |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Cobden village |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | Survey-helper |
| Industry | WPA Sewer |
| Class of Worker | GW |
| Income (1939) | 420 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Survey-Helper |
| Township / Ward | Cobden Village |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Wolf | Head | — | 21 | ~1919 |
| Helen Wolf | Spouse | — | 18 | ~1922 |
| Robert Wolf | Son | — | ~1940 |
Census Appearances
1920
Union, Illinois
Son, age 1
Union, Illinois · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolff |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Union, Illinois
Son, age 11
Union, Illinois · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolfe |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Union-County, Illinois
Head, age 21
Union-County, Illinois · implied b. ~1919 — 3 household members
| Surname | Wolf |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Cobden village |
| 1935 Residence (County) | Union |
| Occupation | Survey-helper |
| Industry | WPA Sewer |
| Class of Worker | GW |
| Income (1939) | 420 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Robert Wolf across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joe Wolff (~0.92 confidence) and mother Carrie Wolff (~0.92 confidence) and mother Grace Wolfe (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joe Wolff
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Carrie Wolff
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Grace Wolfe
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Wolf
Head · 1940 · age 21 · b. ~1919 · 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 — Union-County, Illinois
Open full size
1940 US Federal Census — Union-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00896-00270)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bertie Huneaker | 40 | Wife | Teacher | Illinois |
| 42 | Leta A. Smith | 70 | Head | — | Tennessee |
| 43 | Celeste Davis | 33 | Roomer | Bookkeeper | Illinois |
| 44 | Ariel Henderson | 56 | Head | Cook-Lunch | Illinois |
| 45 | Edith Henderson | 36 | Daughter | — | Illinois |
| 46 | Charles Henderson | 18 | Son | — | Illinois |
| 47 | Joe B. Huneaker | 44 | Head | Manual Training | Illinois |
| 48 | Elizabeth V. Huneaker | 46 | Wife | Teacher | Illinois |
| 49 | Louvisa Huneaker | 84 | Mother | — | Illinois |
| 50 | Albert C. Townsend | 50 | Head | Automobile Investigator | Illinois |
| 51 | Elva Ann Townsend | 44 | Wife | — | Illinois |
| 52 | William Albert Townsend | 19 | Son | — | Illinois |
| 53 | David Windsor Townsend | 10 | Son | — | Illinois |
| 54 | Elizabeth Ann Townsend | 6 | Daughter | — | Illinois |
| 55 | Addie Giles | 72 | Head | — | New York |
| 56 | Gladys Giles | 32 | Daughter | — | Illinois |
| 57 | Erma Lingle | 32 | Lodger | — | Illinois |
| 58 | Henry A. High | 51 | Head | Machinist | Illinois |
| 59 | Ethel High | 48 | Wife | Sorter | Illinois |
| 60 | Charles High | 19 | Son | New Worker | Illinois |
| 61 | Frances High | 17 | Daughter | Maid | Illinois |
| 62 | Jean High | 16 | Daughter | New Worker | Illinois |
| 63 | Robert High | 14 | Son | — | Illinois |
| 64 | Alberta High | 12 | Daughter | — | Illinois |
| 65 | Janet High | 10 | Daughter | — | Illinois |
| 66 | Annette High | 10 | Daughter | — | Illinois |
| 67 | Joe High | 8 | Son | — | Illinois |
| 68 | Shirley High | 6 | Daughter | — | Illinois |
| 69 | Ella Mccann | 67 | Head | — | Illinois |
| 70 | James T. Goodman | 22 | Grandson | Sets Pins | Illinois |
| 71 | Robert Wolf THIS PERSON | 21 | Head | Survey-Helper | Illinois |
| 72 | Helen Virginia Wolf | 18 | Wife | — | Illinois |
| 73 | Robert Eugene Wolf | 0 | Son | — | Illinois |
| 74 | Thomas A. Du Bois | 66 | Head | Inspector-Closed Package Division | Illinois |
| 75 | Estelle Du Bois | 59 | Wife | — | Illinois |
| 76 | Dorothy Adelaide Du Bois | 19 | Daughter | — | Illinois |
| 77 | Thomas A. Jr. Du Bois | 18 | Son | — | Illinois |
| 79 | Claude Rendleman | 45 | Head | Post Master | Illinois |
| 80 | Daisy A. Rendleman | 45 | Wife | — | Illinois |
Pedigree Summary
Robert
Gen 1 · 3 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)