LS
Lester Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marshall-County, Indiana
Our Model Tree links this Lester Smith across the 1910, 1920, 1930 and 1940 US Censuses in Marshall-County, Indiana (XGBoost, ~Confirmed), with identified parents David & Ada — first a head (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marshall-County, Indiana |
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Green |
| 1935 Residence (County) | Marshall |
| Additional Details | |
| Occupation | fireman |
| Industry | Railway |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 1700 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Fireman |
| Township / Ward | Green |
| Est. Birth Year | ~1906 |
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 |
|---|---|---|---|---|
| Lester Smith | Head | — | 34 | ~1906 |
| Inda Tutherly | Other | — | 67 | ~1873 |
| David Smith | Son | — | 4 | ~1936 |
| Mildred Smith | Spouse | — | 27 | ~1913 |
Census Appearances
1910
Marshall, Indiana
Son, age 4
Marshall, Indiana · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Marshall, Indiana
Son, age 14
Marshall, Indiana · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marshall, Indiana
Head, age 24
Marshall, Indiana · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lester C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 24 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Fireman |
| Industry | Powerhouse |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1000 |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marshall-County, Indiana
Head, age 34
Marshall-County, Indiana · implied b. ~1906 — 4 household members
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Green |
| 1935 Residence (County) | Marshall |
| Occupation | fireman |
| Industry | Railway |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 1700 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Smith (~0.92 confidence) and mother Ada Smith (~0.92 confidence) and father David Smith (~0.92 confidence) and mother Vada Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Smith
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Ada Smith
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
David Smith
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Vada Smith
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lester Smith
Head · 1940 · age 34 · b. ~1906 · Indiana
★ 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 — Marshall-County, Indiana
Open full size
1940 US Federal Census — Marshall-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01077-00413)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lester Smith THIS PERSON | 34 | Head | Fireman | Indiana |
| 42 | Mildred Smith | 27 | Wife | — | Indiana |
| 43 | David L Smith | 4 | Son | — | Indiana |
| 44 | Inda Tutherly | 67 | Mother-in-law | — | Indiana |
| 45 | Coster Abair | 57 | Head | Farmer | Indiana |
| 46 | Nellie Abair | 52 | Wife | — | Indiana |
| 47 | Velma Abair | 20 | Daughter | — | Indiana |
| 48 | Herald Abair | 17 | Son | — | Indiana |
| 49 | Jerry F. Yates | 35 | Head | Farmer | Indiana |
| 50 | Edna A. Yates | 36 | Wife | — | Ohio |
| 51 | Johnson Smith | 73 | Head | Farmer | Indiana |
| 52 | Donna Smith | 73 | Wife | — | Indiana |
| 53 | William D. Carey | 73 | Head | Farmer | Missouri |
| 54 | Lantie Carey | 68 | Wife | — | Indiana |
| 55 | Fred Carey | 35 | Son | Laborer | Indiana |
| 56 | Mark Carey | 33 | Son | Painter | Indiana |
| 57 | Neil Carey | 4 | Grandson | — | Indiana |
| 58 | O. P. Marrow | 71 | Head | Farmer | Indiana |
| 59 | Martha Marrow | 60 | Wife | — | Missouri |
| 60 | George Maas | 61 | Head | Farmer | Germany |
| 61 | Lilah Maas | 66 | Wife | — | Ohio |
| 62 | George Wilken | 47 | Head | Farmer | Indiana |
| 63 | Edith Wilken | 45 | Wife | — | Indiana |
| 64 | Katherine Wilken | 16 | Daughter | — | Indiana |
| 65 | Louise Wilken | 69 | Mother-in-law | — | Indiana |
| 66 | Merle Mcclure | 39 | Head | Farmer | Nebraska |
| 67 | Leona Mcclure | 35 | Wife | — | Indiana |
| 68 | Kenneth Mcclure | 6 | Son | — | Indiana |
| 69 | Joey Sue Mcclure | 2 | Daughter | — | Indiana |
| 70 | Henry E. Ringle | 73 | Head | Retired | Indiana |
| 71 | Daphne Ringle | 55 | Wife | — | Indiana |
| 72 | Clyde Ringle | 38 | Head | Carpenter | Indiana |
| 73 | Lucia Ringle | 36 | Wife | — | Indiana |
| 74 | Richard Ringle | 13 | Son | — | Indiana |
| 75 | William Lepunta | 57 | Hired hand | Laborer | Indiana |
| 76 | Jesse J. Zimmerman | 26 | Head | Marker | Indiana |
| 77 | Evelyn Zimmerman | 25 | Wife | — | Indiana |
| 78 | Glen Ringle | 36 | Head | Farmer | Indiana |
| 79 | Inez Ringle | 38 | Wife | — | Indiana |
| 80 | Mary L. Ringle | 11 | Daughter | — | Indiana |
Pedigree Summary
Lester
Gen 1 · 4 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)