LS
Lester Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Illinois
Our Model Tree links this Lester Smith across the 1920, 1930 and 1940 US Censuses in Marion-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Sarah — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Illinois |
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 45 |
| Income (1939) | 450 |
| Highest Grade | G 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Omega Township |
| Est. Birth Year | ~1901 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lester | Age | Birth yr |
|---|---|---|---|---|
| Lois Smith | Daughter | — | 13 | ~1927 |
| Lester Smith | Head | — | 39 | ~1901 |
| Darrell Smith | Son | — | 7 | ~1933 |
| Viola Smith | Spouse | — | 35 | ~1905 |
Census Appearances
1920
Marion, Illinois
Son, age 18
Marion, Illinois · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| 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
Marion, Illinois
Head, age 28
Marion, Illinois · implied b. ~1902 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 24 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 142 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Marion-County, Illinois
Head, age 39
Marion-County, Illinois · implied b. ~1901 — 4 household members
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Marion |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 45 |
| Income (1939) | 450 |
| Highest Grade | G 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 Lester Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Smith (~0.92 confidence) and mother Sarah Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Smith
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Sarah Smith
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lester Smith
Head · 1940 · age 39 · b. ~1901 · 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 — Marion-County, Illinois
Open full size
1940 US Federal Census — Marion-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00853-00133)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Barbara Green | 10 | Daughter | — | Illinois |
| 42 | Billie Green | 6 | Son | — | Illinois |
| 43 | William Morrow | 51 | Head | Farmer | Illinois |
| 44 | Jessie Morrow | 56 | Wife | — | Illinois |
| 45 | Ralph M. Morrow | 24 | Son | Farmer | Illinois |
| 46 | Vivian Morrow | 22 | Daughter | Waitress | Illinois |
| 47 | Charles A. Wantland | 64 | Head | Farmer | Illinois |
| 48 | Margaret Wantland | 66 | Wife | — | Illinois |
| 49 | George R. Lennon | 62 | Head | Farmer | Illinois |
| 50 | Virdie Lennon | 54 | Wife | — | Illinois |
| 51 | Myrtle Lennon | 31 | Daughter | New Worker | Illinois |
| 52 | John Harp | 77 | Head | Farmer | Illinois |
| 53 | Marie Harp | 27 | Daughter | Paper Hanging | Illinois |
| 54 | Ores Harris | 45 | Head | Laborer | Illinois |
| 55 | Clara Harris | 33 | Wife | — | Illinois |
| 56 | Clyde Harris | 17 | Son | New Worker | Illinois |
| 57 | Virgil Harris | 14 | Son | New Worker | Illinois |
| 58 | Raymond Harris | 11 | Son | — | Illinois |
| 59 | William Harris | 8 | Son | — | Illinois |
| 60 | Malinda Harris | 72 | Mother | — | Illinois |
| 61 | Clyde Jones | 34 | Head | Farmer | Illinois |
| 62 | Beulah Jones | 33 | Wife | — | Illinois |
| 63 | Pearl M. Rose | 54 | Head | Farmer | Illinois |
| 64 | Laura E. Rose | 48 | Wife | — | Illinois |
| 65 | Ralph Rose | 18 | Son | Farmer | Illinois |
| 66 | Herschel Rose | 16 | Son | Farmer | Illinois |
| 67 | Clyde Rose | 9 | Son | — | Illinois |
| 68 | Lester Smith THIS PERSON | 39 | Head | Farmer | Illinois |
| 69 | Viola Smith | 35 | Wife | — | Illinois |
| 70 | Lois Smith | 13 | Daughter | — | Illinois |
| 71 | Darrell Smith | 7 | Son | — | Illinois |
| 72 | Fred G. Mulvaney | 55 | Head | Farmer | Illinois |
| 73 | Goldie Mulvaney | 24 | Daughter | Maid | Illinois |
| 74 | Gladys Mulvaney | 13 | Daughter | — | Illinois |
| 75 | Hollis Mulvaney | 23 | Head | Farmer | Illinois |
| 76 | Esther Mulvaney | 22 | Wife | — | Illinois |
| 77 | Lois Elaine Coverstone | 5 | Step Daughter | — | Illinois |
| 78 | Calvin B. Kline | 76 | Head | Farmer | Pennsylvania |
| 79 | Maggie E. Kline | 72 | Wife | — | Illinois |
| 80 | Willie G. Hays | 47 | Head | Teacher | Illinois |
Pedigree Summary
Lester
Gen 1 · 2 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)