LS
Leroy Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Leroy Smith across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Roy & Leah — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Smith |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Truck driver |
| Industry | St RR Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 2 |
| 1935 Residence | Sameplace |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Truck Driver |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leroy | Age | Birth yr |
|---|---|---|---|---|
| Jean Smith | Daughter | — | 16 | ~1924 |
| Leah Smith | Head | — | 39 | ~1901 |
| Everett Smith | Son | — | 20 | ~1920 |
| Clarence Smith | Son | — | 18 | ~1922 |
| Leroy Smith | Son | — | 22 | ~1918 |
Census Appearances
1920
Marion, Indiana
Son, age 2
Marion, Indiana · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leroy |
| 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 |
1930
Marion, Indiana
Other, age 12
Marion, Indiana · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leroy |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 22
Marion-County, Indiana · implied b. ~1918 — 5 household members
| Surname | Smith |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Truck driver |
| Industry | St RR Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 2 |
| 1935 Residence | Sameplace |
| 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 Leroy Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Roy Smith (~0.92 confidence) and mother Leah Smith (~0.92 confidence) and mother Leah Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Roy Smith
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Leah Smith
b. ~1901
Source mother
● Household
· direct · ~0.92
Mother
Leah Smith
b. ~1901
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leroy Smith
Son · 1940 · age 22 · b. ~1918 · Indiana
★ You are viewing this record
Sibling
Jean Smith
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Smith
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Everett Smith
Sibling · 1940 · age 20
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-t0627-01130-00438)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emitt Abell | 53 | Head | Laborer | Kentucky |
| 2 | Mary Abell | 38 | Wife | — | Tenn. |
| 3 | Shirley Abell | 3 | Daughter | — | Indiana |
| 4 | Quince Radere | 38 | Head | Painter | Ohio |
| 5 | Grace Radere | 33 | Wife | — | Indiana |
| 6 | Nellie Radere | 15 | Daughter | — | Indiana |
| 7 | Donald Radere | 12 | Son | — | Indiana |
| 8 | Joan Radere | 5 | Daughter | — | Indiana |
| 9 | Hugh Reed | 47 | Head | Fireman | Indiana |
| 10 | Jennie Reed | 46 | Wife | — | Indiana |
| 11 | Minnie Wiggam | 72 | Mother | — | Indiana |
| 12 | Joyce Wiggam | 13 | Niece | — | Indiana |
| 13 | Van C. Johnson | 39 | Head | Core Maker | Indiana |
| 14 | Ada Johnson | 40 | Wife | — | Indiana |
| 15 | Pearl Johnson | 19 | Daughter | — | Indiana |
| 16 | Max E. Walton | 54 | Head | Electrician | Indiana |
| 17 | Eva Walton | 49 | Wife | — | Indiana |
| 18 | Violet Rothenberger | 19 | Daughter | — | Indiana |
| 19 | James V. Rothenberger | 16 | Son | — | Indiana |
| 20 | Edw. Johnson | 72 | Head | — | Indiana |
| 21 | Susie Johnson | 70 | Wife | — | Kentucky |
| 22 | Linnie E. Britt | 66 | Head | Drill Press Op | Kentucky |
| 23 | Leah Smith | 39 | Head | — | Indiana |
| 24 | Leroy Smith THIS PERSON | 22 | Son | Truck Driver | Indiana |
| 25 | Everett Smith | 20 | Son | Attendant | Indiana |
| 26 | Clarence Smith | 18 | Son | — | Indiana |
| 27 | Jean Smith | 16 | Daughter | — | Indiana |
| 28 | Clyde Boots | 40 | Head | Auto Mech. | Indiana |
| 29 | Fern Boots | 37 | Wife | — | Indiana |
| 30 | Marie Boots | 13 | Daughter | — | Indiana |
| 31 | Fredia Boots | 11 | Daughter | — | Indiana |
| 32 | Melvin Boots | 8 | Son | — | Indiana |
| 33 | Wm A. Parker | 70 | Head | — | Ill. |
| 34 | Ethel Parker | 60 | Wife | — | Indiana |
| 35 | Laura R. Bradburn | 64 | Head | — | Indiana |
| 36 | Ellen M. Bradburn | 37 | Daughter | — | Indiana |
| 37 | Wm C. Bradburn | 43 | Son | Trucker | Indiana |
| 38 | James Bradburn | 11 | Son | — | Indiana |
| 39 | Ben Dawson | 53 | Head | Moulder | Indiana |
| 40 | Nannie Dawson | 57 | Wife | — | Indiana |
Pedigree Summary
Leroy + 3 siblings
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)