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Janet Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Illinois
Our Model Tree links this Janet Smith across the 1930 and 1940 US Censuses in Madison-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Illinois |
| Surname | Smith |
| Given Name | Janet |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Additional Details | |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Edwardsville Town |
| Est. Birth Year | ~1928 |
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 Janet | Age | Birth yr |
|---|---|---|---|---|
| Dora Smith | Daughter | — | 6 | ~1934 |
| Thelma Smith | Spouse | — | 25 | ~1915 |
| Janet Smith | Daughter | — | 12 | ~1928 |
| Helen Smith | Daughter | — | 4 | ~1936 |
| Norman Smith | Son | — | 1 | ~1939 |
| Woodrow Smith | Head | — | 21 | ~1919 |
Census Appearances
1930
Madison, Illinois
Daughter, age 2
Madison, Illinois · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Janet |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Madison-County, Illinois
Daughter, age 12
Madison-County, Illinois · implied b. ~1928 — 6 household members
| Surname | Smith |
| Given Name | Janet |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | 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 Janet Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Janet Smith
Daughter · 1940 · age 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Norman Smith
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dora Smith
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Smith
Sibling · 1940 · age 4
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 — Madison-County, Illinois
Open full size
1940 US Federal Census — Madison-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00849-00455)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Winkle | 14 | Son | — | Oklahoma |
| 2 | George Cummings | 18 | Lodger | Laborer | Illinois |
| 3 | Mattie Caudleberry | 66 | Sister in law | — | Georgia |
| 4 | William Simon | 39 | Lodger | Laborer | Illinois |
| 5 | Kathrine Simon | 26 | Lodger | — | Illinois |
| 7 | John Davis | 41 | Head | Laborer | Illinois |
| 8 | Lillian Davis | 37 | Wife | — | Illinois |
| 9 | John Shaffer | 31 | Head | Orderly | Illinois |
| 10 | Marjorie Shaffer | 32 | Wife | Laundress | Illinois |
| 11 | Mamie Kessinger | 49 | Head | — | Illinois |
| 12 | William Kessinger | 19 | Son | Laborer | Illinois |
| 13 | Iona Kessinger | 22 | Daughter | — | Illinois |
| 14 | Kenneth Kessinger | 14 | Son | — | Illinois |
| 15 | Ronnie Jean Kessinger | 12 | Daughter | — | Illinois |
| 16 | Velma Meadows | 22 | Head | Housework | Illinois |
| 17 | Gloria Meadows | 3 | Daughter | — | Illinois |
| 18 | Joe Bennett | 24 | Head | Laborer | Missouri |
| 19 | Clara Bennett | 18 | Wife | — | Illinois |
| 20 | John Bennett | 2 | Son | — | Illinois |
| 21 | Louis Butcher | 50 | Head | Maintenance Man | Missouri |
| 22 | Clarence Butcher | 13 | Son | Mover | Illinois |
| 23 | Charles Mcday | 50 | Head | — | — |
| 24 | Oscar Kircher | 73 | Head | Baker | Missouri |
| 25 | Woodrow Smith | 21 | Head | Laborer | Illinois |
| 26 | Thelma Smith | 25 | Wife | — | Missouri |
| 27 | Dora Smith | 6 | Daughter | — | Illinois |
| 28 | Helen Smith | 4 | Daughter | — | Illinois |
| 29 | Norman Smith | 1 | Son | — | Illinois |
| 30 | Janet Smith THIS PERSON | 12 | Daughter | — | Illinois |
| 31 | Wilber Patcher | 28 | Head | Laborer | Illinois |
| 32 | Iva Patcher | 21 | Wife | — | Illinois |
| 33 | Shirley Patcher | 3 | Daughter | — | Illinois |
| 34 | Louisa Patcher | 1 | Daughter | — | Illinois |
| 35 | Louis Prior | 57 | Head | Laborer | Illinois |
| 36 | Loureva Prior | 53 | Wife | — | Illinois |
| 37 | Mae Mattheidel | 40 | Lodger | Clerk | Illinois |
| 38 | Leo Brown | 30 | Lodger | Painting | Illinois |
| 39 | Margaret Brown | 27 | Lodger | Housework | Illinois |
| 40 | Oscar Brown | 26 | Head | Body Man | Missouri |
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)