TS
Theodore Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this Theodore Smith across the 1920, 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 6-person household.
Age 60
b. ~1880
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Smith |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | S. House |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 44 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Rantoul Township |
| Est. Birth Year | ~1880 |
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 Theodore | Age | Birth yr |
|---|---|---|---|---|
| Opal Howard | Daughter | — | 29 | ~1911 |
| Theodore Smith | Head | — | 60 | ~1880 |
| Robert Brown | Other | — | 10 | ~1930 |
| Homer Howard | Other | — | 32 | ~1908 |
| Raymond Smith | Son | — | 21 | ~1919 |
| Anna Smith | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Champaign, Illinois
Head, age 39
Champaign, Illinois · implied b. ~1881 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Champaign, Illinois
Head, age 50
Champaign, Illinois · implied b. ~1880 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 19 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | Engineer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6500 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Head, age 60
Champaign-County, Illinois · implied b. ~1880 — 6 household members
| Surname | Smith |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | S. House |
| 1935 Residence (County) | Champaign |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 44 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Theodore Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Theodore Smith
Head · 1940 · age 60 · b. ~1880 · 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
37 people indexed on this census page (nara:1940:m-t0627-00766-00530)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Blanche Keal | 38 | Wife | Housework | Illinois |
| 2 | Herschel Keal | 36 | Head | Farmer | Illinois |
| 3 | Clair Albers | 42 | Head | Farmer | Illinois |
| 4 | Ella Albers | 62 | Mother | Housework | Illinois |
| 5 | Michael P. Brown | 34 | Head | Farmer | Illinois |
| 6 | Margaret Brown | 29 | Wife | Housework | Illinois |
| 7 | Patrick Brown | 6 | Son | — | Illinois |
| 8 | Loretta Brown | 5 | Daughter | — | Illinois |
| 9 | Thelma A. Brown | 1 | Daughter | — | Illinois |
| 10 | Dora Selby | 61 | Head | Farmer | Illinois |
| 11 | Cloyd Selby | 40 | Son | Farmer | Illinois |
| 12 | Amos Emmerson | 27 | Lodger | Farmer | Kentucky |
| 13 | Theodore Smith THIS PERSON | 60 | Head | Farmer | Illinois |
| 14 | Anna Smith | 55 | Wife | Housework | Illinois |
| 15 | Raymond Smith | 21 | Son | Construction Laborer | Illinois |
| 16 | Homer Howard | 32 | Son-in-law | Soldier | Illinois |
| 17 | Opal Howard | 29 | Daughter | Housework | Indiana |
| 18 | Robert L. Brown | 10 | Grand-son | — | Illinois |
| 19 | Kate Murnan | 65 | Head | — | Illinois |
| 20 | Sidney Murnan | 20 | Son | Clerk | Illinois |
| 21 | Carl Murnan | 18 | Son | — | Illinois |
| 22 | Heinet Franzen | 28 | Head | Farmer | Illinois |
| 23 | Esther Franzen | 27 | Wife | Housework | Illinois |
| 24 | Duane Franzen | 4 | Son | — | Illinois |
| 25 | Eank J. Franzen | 59 | Head | Farmer | Illinois |
| 26 | Tena Franzen | 53 | Wife | Housework | Illinois |
| 27 | Menke Franzen | 21 | Son | Farmer | Illinois |
| 28 | Thease Franzen | 19 | Son | Farmer | Illinois |
| 29 | L. W. Albers | 35 | Head | Farmer | Illinois |
| 30 | Ella Albers | 31 | Wife | Housework | Illinois |
| 31 | Sylvia Albers | 2 | Daughter | — | Illinois |
| 32 | Henry V. Cardiff | 76 | Father-in-law | — | Illinois |
| 33 | Sarah J. Little | 51 | Wife | Housework | Illinois |
| 34 | Alton Little | 46 | Head | Farmer | Illinois |
| 35 | Janet Chapple | 7 | Grand-daughter | — | Illinois |
| 36 | Al Crane | 32 | Head | Farmer | Illinois |
| 37 | Violet Crane | 26 | Wife | Housework | Ohio |
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)