LS
Lester Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hardin-County, Ohio
Our Model Tree links this Lester Smith across the 1920, 1930 and 1940 US Censuses in Hardin-County, Ohio (XGBoost, ~Confirmed), with identified parents David & Rhoda — first a head (b.~1908), then head of a 7-person household.
Age 32
b. ~1908
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hardin-County, Ohio |
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Lynn Township |
| 1935 Residence (County) | Hardin |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road construction |
| Class of Worker | PW |
| Hours Worked | 2 |
| Income (1939) | 360 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Laborer |
| Township / Ward | Lynn Township |
| Est. Birth Year | ~1908 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lester | Age | Birth yr |
|---|---|---|---|---|
| Ruth Smith | Daughter | — | 1 | ~1939 |
| Dona Smith | Daughter | — | 5 | ~1935 |
| Lester Smith | Head | — | 32 | ~1908 |
| David Smith | Other | — | 65 | ~1875 |
| Marvin Smith | Son | — | 4 | ~1936 |
| Harold Smith | Son | — | 11 | ~1929 |
| Florence Smith | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Hardin, Ohio
Son, age 10
Hardin, Ohio · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hardin, Ohio
Son, age 22
Hardin, Ohio · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Labour |
| Industry | Odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hardin-County, Ohio
Head, age 32
Hardin-County, Ohio · implied b. ~1908 — 7 household members
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Lynn Township |
| 1935 Residence (County) | Hardin |
| Occupation | Laborer |
| Industry | Road construction |
| Class of Worker | PW |
| Hours Worked | 2 |
| Income (1939) | 360 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 David Smith (~0.92 confidence) and mother Rhoda Karns (~0.92 confidence) and father Art Karns (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Smith
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Rhoda Karns
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Art Karns
b. ~1882
Source father
● Household
· direct · ~0.92
This person
Anchor record
Lester Smith
Head · 1940 · age 32 · b. ~1908 · Ohio
★ 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 — Hardin-County, Ohio
Open full size
1940 US Federal Census — Hardin-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03082-00579)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harvey Scott | 64 | Head | Proprietor | Ohio |
| 2 | Devila Scott | 64 | Wife | — | Ohio |
| 3 | Ernest Scott | 24 | Son | Trucker | Ohio |
| 4 | Jessie Scott | 18 | Son | Trucker | Ohio |
| 5 | Pearl Cozad | 50 | Head | — | Ohio |
| 6 | Catherine Cozad | 16 | Daughter | — | Ohio |
| 7 | Charles Cozad | 14 | Son | — | Ohio |
| 8 | Chester Thompson | 51 | Head | — | Ohio |
| 9 | Myrtle Thompson | 51 | Wife | — | Ohio |
| 10 | Arleen Thompson | 9 | Daughter | — | Ohio |
| 11 | Clyde Scott | 29 | Head | Trucker | Ohio |
| 12 | Alice Scott | 26 | Wife | — | Kentucky |
| 13 | Alfred Scott | 5 | Son | — | Ohio |
| 14 | Virgil Scott | 2 | Son | — | Ohio |
| 15 | George Newman | 63 | Head | Laborer | Ohio |
| 16 | Alice B. Newman | 55 | Wife | — | Indiana |
| 17 | Lloyd C. Newman | 16 | Son | — | Ohio |
| 18 | Lester Smith THIS PERSON | 32 | Head | Laborer | Ohio |
| 19 | Florence Smith | 32 | Wife | — | Ohio |
| 20 | Harold Smith | 11 | Son | — | Ohio |
| 21 | Dona Mae Smith | 5 | Daughter | — | Ohio |
| 22 | Marvin L. Smith | 4 | Son | — | Ohio |
| 23 | Ruth A. Smith | 1 | Daughter | — | Ohio |
| 24 | David R. Smith | 65 | Father | — | Ohio |
| 25 | Cloyce Newman | 25 | Head | Rail Liner | Ohio |
| 26 | Ruth Newman | 24 | Wife | — | Ohio |
| 27 | Harriet Newman | 5 | Daughter | — | Ohio |
| 28 | Vera Newman | 3 | Daughter | — | Ohio |
| 29 | Jhanna Newman | 1 | Daughter | — | Ohio |
| 30 | George Thomas | 63 | Head | Laborer | Ohio |
| 31 | Hulda Thomas | 65 | Wife | — | Ohio |
| 32 | Edgar L. Thomas | 24 | Son | Laborer | Ohio |
| 33 | Roy Scott | 42 | Head | Trucker | Ohio |
| 34 | Della Scott | 38 | Wife | — | Ohio |
| 35 | Mary Scott | 18 | Daughter | — | Ohio |
| 36 | Robert Scott | 12 | Son | — | Ohio |
| 37 | Henry Scott | 5 | Son | — | Ohio |
| 38 | Richard Scott | 2 | Son | — | Ohio |
| 39 | Marion S. Newman | 25 | Head | Laborer | Ohio |
| 40 | Doris Newman | 23 | Wife | — | Ohio |
Pedigree Summary
Lester
Gen 1 · 3 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)