TC
Thomas Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this Thomas Campbell across the 1920, 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed), with identified parents Thomas & Birdia — first a head (b.~1900), then head of a 5-person household.
Age 40
b. ~1900
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Campbell |
| Given Name | Thomas W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Urbana City |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Occupation | Candymaker |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 84 |
| Highest Grade | H 2 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Candymaker |
| Township / Ward | Urbana City |
| Est. Birth Year | ~1900 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mary Campbell | Daughter | — | 4 | ~1936 |
| Thomas Campbell | Head | — | 40 | ~1900 |
| Thomas Campbell | Son | — | 6 | ~1934 |
| William Campbell | Son | — | 2 | ~1938 |
| Edith Campbell | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Champaign, Illinois
Son, age 18
Champaign, Illinois · implied b. ~1902 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | Dispenser |
| Industry | Confectionery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Champaign, Illinois
Son, age 28
Champaign, Illinois · implied b. ~1902 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | Candy maker |
| Industry | Candy shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Head, age 40
Champaign-County, Illinois · implied b. ~1900 — 5 household members
| Surname | Campbell |
| Given Name | Thomas W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Urbana City |
| 1935 Residence (County) | Champaign |
| Occupation | Candymaker |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 84 |
| Highest Grade | H 2 |
| 1935 Residence | Illinois |
| 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 Thomas Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Campbell (~0.92 confidence) and mother Birdia Campbell (~0.92 confidence) and mother Bertie Campbell (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Campbell
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Birdia Campbell
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Bertie Campbell
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Campbell
Head · 1940 · age 40 · b. ~1900 · 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 — Champaign-County, Illinois
Open full size
1940 US Federal Census — Champaign-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00765-00914)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary F Long | 77 | Mother in law | — | Indiana |
| 2 | William E Burge | 58 | Head | Professor | Virginia |
| 3 | Emma L Burge | 52 | Wife | — | Minnesota |
| 4 | Eleanor N Burge | 18 | Daughter | — | Illinois |
| 5 | Frank S Johnson | 52 | Head | Switchman | Illinois |
| 6 | Mildred L Johnson | 37 | Wife | Supervising Operator | Illinois |
| 7 | Joseph E Chodera | 19 | Step son | — | Illinois |
| 8 | Francis Hanks | 72 | Mother in law | — | Illinois |
| 9 | Quentin D Schwab | 27 | Head | Engineer | Missouri |
| 10 | Katherine Schwab | 26 | Wife | — | Illinois |
| 11 | John H Terpening | 25 | Head | Clerk | Illinois |
| 12 | Helen L Terpening | 22 | Wife | Beauty Operator | Illinois |
| 13 | John H Barth | 27 | Head | Lawyer | Illinois |
| 14 | Mary S Barth | 27 | Wife | Receptionist | Illinois |
| 15 | William M Shroyer | 37 | Head | Painter | Illinois |
| 16 | Leone F Shroyer | 35 | Wife | — | Illinois |
| 17 | Gaylord L Shroyer | 13 | Son | — | Illinois |
| 18 | Patricia J Shroyer | 10 | Daughter | — | Illinois |
| 19 | Thomas W Campbell THIS PERSON | 40 | Head | Candymaker | Illinois |
| 20 | Edith Campbell | 31 | Wife | — | Indiana |
| 21 | Thomas G Campbell | 6 | Son | — | Illinois |
| 22 | Mary S Campbell | 4 | Daughter | — | Illinois |
| 23 | William B Campbell | 2 | Son | — | Illinois |
| 24 | Leroy W Kelley | 29 | Head | Vaultmaker | Illinois |
| 25 | Terrie M Kelley | 27 | Wife | — | Illinois |
| 26 | Michael L Kelley | 1 | Son | — | Illinois |
| 27 | Diane P Kelley | 0 | Daughter | — | Illinois |
| 28 | James C Best | 56 | Head | Engineer | Illinois |
| 29 | Edna M Best | 52 | Wife | Cook | Illinois |
| 30 | Wallace L Beard | 67 | Head | Janitor | Illinois |
| 31 | Lowell R Potts | 22 | Boarder | Horticulture Worker | Illinois |
| 32 | Mildred A Potts | 20 | Daughter | — | Illinois |
| 33 | William M Parsons | 47 | Head | Police Officer | Illinois |
| 34 | Edna G Parsons | 41 | Wife | — | Illinois |
| 35 | William Parsons | 12 | Son | — | Illinois |
| 36 | Neal W Wilson | 40 | Head | Postman | Illinois |
| 37 | Lucille Wilson | 34 | Wife | — | Illinois |
| 38 | Evelyn Wilson | 13 | Daughter | — | Illinois |
| 39 | Walter N Wilson | 12 | Son | — | Illinois |
| 40 | Barbara L Wilson | 10 | Daughter | — | Illinois |
Related Census Records
Pedigree Summary
Thomas
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)