LS
Lester Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kane-County, Illinois
Our Model Tree links this Lester Smith across the 1920, 1930 and 1940 US Censuses in Kane-County, Illinois (XGBoost, ~Confirmed), with identified parents Myrtle — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kane-County, Illinois |
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Elgin city |
| 1935 Residence (County) | Kane |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Elgin City |
| Est. Birth Year | ~1907 |
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 Lester | Age | Birth yr |
|---|---|---|---|---|
| Lester Smith | Head | — | 33 | ~1907 |
| Everett Smith | Son | — | 8 | ~1932 |
| Viola Smith | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Kane, Illinois
Son, age 12
Kane, Illinois · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lester M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Kane, Illinois
Head, age 23
Kane, Illinois · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lester M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 19 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Salesman |
| Industry | Packing Company |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Kane-County, Illinois
Head, age 33
Kane-County, Illinois · implied b. ~1907 — 3 household members
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Elgin city |
| 1935 Residence (County) | Kane |
| 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 Lester Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Myrtle Smith (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Myrtle Smith
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lester Smith
Head · 1940 · age 33 · b. ~1907 · 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 — Kane-County, Illinois
Open full size
1940 US Federal Census — Kane-County, Illinois
Page Contents
33 people indexed on this census page (nara:1940:m-t0627-00821-00537)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert E. Leitner | 70 | head | Butcher | Illinois |
| 2 | Bertha F. Leitner | 67 | wife | — | Illinois |
| 3 | Charles A. Leitner | 46 | head | Coal Salesman | Illinois |
| 4 | Louise S. Leitner | 31 | wife | — | Illinois |
| 5 | — | None | — | — | — |
| 6 | John M. Reinert | 47 | head | Proprietor | Illinois |
| 7 | Robert C. Yarwood | 21 | son-in-law | Mailing Dept | Illinois |
| 8 | Eileen P. Yarwood | 20 | daughter | Bookkeeper | Illinois |
| 9 | Agnes E. Gubbins | 79 | head | — | Wisconsin |
| 10 | Richard Reinert | 22 | grand-son | Collector | Illinois |
| 11 | Carol Reinert | 19 | grand-daughter | — | Illinois |
| 12 | Howard Gubbins | 46 | son | Salesman | Illinois |
| 13 | — | None | — | — | — |
| 14 | — | None | — | — | — |
| 15 | — | None | — | — | — |
| 16 | — | None | — | — | — |
| 17 | — | None | — | — | — |
| 18 | — | None | — | — | — |
| 19 | George W. Harms | 23 | head | Tinner | Illinois |
| 20 | Florence Harms | 33 | wife | — | Minnesota |
| 21 | George Jr. Harms | 1 | son | — | Illinois |
| 22 | Jack L. Harms | 0 | son | — | Illinois |
| 23 | Lester Smith THIS PERSON | 33 | head | — | Illinois |
| 24 | Viola M. Smith | 37 | wife | Fancy Stitcher | Illinois |
| 25 | Everett F. Smith | 8 | son | — | Wisconsin |
| 26 | E. L. Truax | 69 | head | — | Illinois |
| 27 | Alice S. Truax | 69 | wife | Lacquer Dip | Iowa |
| 28 | Claude Kagel | 30 | head | Moulder | Illinois |
| 29 | Ruth Kagel | 23 | wife | — | Illinois |
| 30 | John J. Hennessey | 27 | head | Dispatcher | Illinois |
| 31 | Virginia M. Hennessey | 29 | wife | — | Illinois |
| 32 | Michael J. Hennessey | 3 | son | — | Illinois |
| 33 | Ida J. Scott | 67 | head | — | Illinois |
Pedigree Summary
Lester
Gen 1 · 1 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)