LS
Lester Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Lester Smith across the 1910, 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Ferdinand & Fred — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | New Bethel |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Bank Cashier |
| Industry | Commercial Bank |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1300 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Bank Cashier |
| Township / Ward | New Bethel |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| Helen Smith | Daughter | — | 15 | ~1925 |
| Ferdinand Smith | Head | — | 59 | ~1881 |
| Lester Smith | Son | — | 30 | ~1910 |
| Harriet Smith | Spouse | — | 55 | ~1885 |
Census Appearances
1910
Marion, Indiana
Son, age 2
Marion, Indiana · 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 | 2 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Marion, Indiana
Son, age 10
Marion, Indiana · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lester L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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
Marion, Indiana
Son, age 20
Marion, Indiana · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | bookkeeper |
| Industry | State Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 30
Marion-County, Indiana · implied b. ~1910 — 4 household members
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | New Bethel |
| 1935 Residence (County) | Marion |
| Occupation | Bank Cashier |
| Industry | Commercial Bank |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1300 |
| Highest Grade | H 4 |
| 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 Ferdinand Smith (~0.92 confidence) and father Fred Smith (~0.92 confidence) and father Ferdinand Smith (~0.92 confidence) and father Ferdinand Smith (~0.92 confidence) and mother Harriet Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ferdinand Smith
b. ~1851
Source father
● Household
· direct · ~0.92
Father
Fred Smith
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Ferdinand Smith
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Ferdinand Smith
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Harriet Smith
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lester Smith
Son · 1940 · age 30 · b. ~1910 · Indiana
★ You are viewing this record
Sibling
Helen Smith
Sibling · 1940 · age 15
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01075-00350)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gladys Plummer | 28 | Wife | — | Indiana |
| 42 | James Plummer | 2 | Son | — | Indiana |
| 43 | Robert E Plummer | 0 | Son | — | Indiana |
| 44 | Nathan Davis | 53 | Head | Miller | Indiana |
| 45 | Clara Davis | 48 | Wife | Cook | Indiana |
| 46 | Marion Davis | 16 | Son | — | Indiana |
| 47 | Catherine Hedge | 72 | Mother | — | Indiana |
| 48 | Manuel E Wilson | 59 | Head | Blacksmith | Indiana |
| 49 | Cary Wilson | 39 | Wife | — | Indiana |
| 50 | Forest Wilson | 9 | Son | — | Indiana |
| 51 | Sam Hastings | 65 | Head | Labor | Indiana |
| 52 | Verne Hastings | 26 | Son | — | Indiana |
| 53 | William E Miers | 65 | Head | Janitor | Indiana |
| 54 | Lou E Miers | 66 | Wife | — | Indiana |
| 55 | Cassie Miers | 69 | Sister | — | Indiana |
| 56 | Raymond Smith | 52 | Head | Carpenter | Indiana |
| 57 | Gertrude Smith | 53 | Wife | — | Indiana |
| 58 | Asa Pollard | 46 | Head | Truck Driver | Indiana |
| 59 | Nattie Pollard | 47 | Wife | — | Indiana |
| 60 | Robert Pollard | 21 | Son | — | Indiana |
| 61 | Jeanette Pollard | 16 | Daughter | — | Indiana |
| 62 | James Clark | 69 | Head | Farmer | Indiana |
| 63 | Ethel Clark | 61 | Wife | — | Indiana |
| 64 | Lois Clark | 40 | Daughter | Clerk | Indiana |
| 65 | James Clark | 11 | Son | — | Indiana |
| 66 | Wayne Williams | 32 | Head | Bus Driver | Indiana |
| 67 | Marie Q Williams | 29 | Wife | Beauty Operator | Indiana |
| 68 | Lois Williams | 10 | Daughter | — | Indiana |
| 69 | Doris Williams | 8 | Daughter | — | Indiana |
| 70 | Carol Williams | 6 | Daughter | — | Indiana |
| 71 | Clarence Farrar | 30 | Brother-in-law | Stock-Man | Indiana |
| 72 | Elizabeth Eberhardt | 18 | House-keeper | House-Keeper | Ohio |
| 73 | Ferdinand Smith | 59 | Head | Rural Lett. Carrier | Indiana |
| 74 | Harriet Smith | 55 | Wife | — | Indiana |
| 75 | Lester Smith THIS PERSON | 30 | Son | Bank Cashier | Indiana |
| 76 | Helen Smith | 15 | Daughter | — | Indiana |
| 77 | Wilbur Plummer | 31 | Head | Dept. Collector | Indiana |
| 78 | Josephine Plummer | 29 | Wife | — | Indiana |
| 79 | Caroline Plummer | 4 | Daughter | — | Indiana |
| 80 | Randall Yeager | 30 | Head | School Teacher | Indiana |
Related Census Records
Pedigree Summary
Lester + 1 sibling
Gen 1 · 5 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)