KS
Kathleen Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lawrence-County, Illinois
Our Model Tree links this Kathleen Smith across the 1930 and 1940 US Censuses in Lawrence-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 6-person household.
Age 16
b. ~1924
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lawrence-County, Illinois |
| Surname | Smith |
| Given Name | Kathleen L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Petty Township |
| 1935 Residence (County) | Lawrence |
| Additional Details | |
| Highest Grade | H-1 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Petty Township |
| Est. Birth Year | ~1924 |
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 Kathleen | Age | Birth yr |
|---|---|---|---|---|
| Dale Smith | Son | — | 12 | ~1928 |
| Howard Smith | Son | — | 6 | ~1934 |
| Roger Smith | Son | — | 14 | ~1926 |
| Howard Smith | Head | — | 41 | ~1899 |
| Kathleen Smith | Daughter | — | 16 | ~1924 |
| Hope Smith | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Lawrence, Illinois
Daughter, age 5
Lawrence, Illinois · implied b. ~1925 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Kathleen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Lawrence-County, Illinois
Daughter, age 16
Lawrence-County, Illinois · implied b. ~1924 — 6 household members
| Surname | Smith |
| Given Name | Kathleen L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Petty Township |
| 1935 Residence (County) | Lawrence |
| Highest Grade | H-1 |
| 1935 Residence | Same house |
| 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 Kathleen Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Kathleen Smith
Daughter · 1940 · age 16 · b. ~1924 · Illinois
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Sibling
Roger Smith
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Smith
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Smith
Sibling · 1940 · age 6
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 — Lawrence-County, Illinois
Open full size
1940 US Federal Census — Lawrence-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00835-00532)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl L. Stoltz | 56 | Head | Farming | Illinois |
| 2 | Frances F. Stoltz | 55 | Wife | — | Illinois |
| 3 | Wilford R. Stoltz | 30 | Son | Farming | Illinois |
| 4 | Wendell L. Stoltz | 19 | Son | — | Illinois |
| 5 | Andy Harlan | 57 | Head | — | Illinois |
| 6 | Elsie M. Harlan | 52 | Wife | — | Illinois |
| 7 | Jacob Foreman | 76 | Father-in-law | Farming | Illinois |
| 8 | Howard S. Smith | 41 | Head | Pumper | Illinois |
| 9 | Hope G. Smith | 39 | Wife | — | Illinois |
| 10 | Kathleen L. Smith THIS PERSON | 16 | Daughter | — | Illinois |
| 11 | Roger A. Smith | 14 | Son | — | Illinois |
| 12 | Dale E. Smith | 12 | Son | — | Illinois |
| 13 | Howard J. Smith | 6 | Son | — | Illinois |
| 14 | Archie D. Hornshell | 59 | Head | Pumper | Indiana |
| 15 | Daisy E. Hornshell | 53 | Wife | — | Indiana |
| 16 | Freda M. Hornshell | 14 | Daughter | — | Illinois |
| 17 | Kenneth E. Hornshell | 19 | Son | New Worker | Illinois |
| 18 | Mildred J. Hornshell | 19 | Daughter | — | Illinois |
| 19 | James F. Emmery | 63 | Head | Driller | Ohio |
| 20 | Anna M. Emmery | 62 | Wife | — | Illinois |
| 21 | Francis R. Emmery | 19 | Son | New Worker | Illinois |
| 22 | Joseph C. Westall | 32 | Head | Farming | Illinois |
| 23 | Reba D. Westall | 24 | Wife | — | Illinois |
| 24 | Donald G. Westall | 4 | Son | — | Illinois |
| 25 | Albert E. Westall | 71 | Head | Farming | Illinois |
| 26 | Clara B. Westall | 69 | Wife | — | Illinois |
| 27 | Carson E. Taylor | 29 | Head | Laborer | Illinois |
| 28 | Irene E. Taylor | 31 | Wife | — | Illinois |
| 29 | La Vera M. Taylor | 8 | Daughter | — | Illinois |
| 30 | Rozella A. Taylor | 7 | Daughter | — | Illinois |
| 31 | Lodema M. Taylor | 6 | Daughter | — | Illinois |
| 32 | Leonard C. Taylor | 2 | Son | — | Illinois |
| 33 | Plia O. Thorn | 55 | Head | Farming | Illinois |
| 34 | Anabel Thorn | 55 | Wife | — | Illinois |
| 35 | Harold D. Thorn | 22 | Son | Salesman | Illinois |
| 36 | Estes D. Thorn | 17 | Son | — | Illinois |
| 37 | Estel Updike | 19 | Lodger | — | Illinois |
| 38 | Kenneth D. Thorn | 25 | Head | Pumper | Illinois |
| 39 | Juanita W. Thorn | 25 | Wife | — | Illinois |
| 40 | James W. Houch | 57 | Head | Foreman | Indiana |
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)