HS
Herbert Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Madison-County, Indiana
Our Model Tree links this Herbert Smith across the 1920, 1930 and 1940 US Censuses in Madison-County, Indiana (XGBoost, ~Confirmed), with identified parents Walter & Walter — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Indiana |
| Surname | Smith |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Anderson City |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Machine Operator |
| Industry | Auto Parts Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 416 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Machine Operator |
| Township / Ward | Anderson City |
| Est. Birth Year | ~1912 |
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 Herbert | Age | Birth yr |
|---|---|---|---|---|
| Irma Smith | Daughter | — | 25 | ~1915 |
| Walter Smith | Head | — | 58 | ~1882 |
| Herbert Smith | Son | — | 28 | ~1912 |
| Jessie Smith | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Madison, Indiana
Son, age 7
Madison, Indiana · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Herbert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Madison, Indiana
Son, age 18
Madison, Indiana · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Laborer |
| Industry | Shovel works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Madison-County, Indiana
Son, age 28
Madison-County, Indiana · implied b. ~1912 — 4 household members
| Surname | Smith |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Anderson City |
| 1935 Residence (County) | Madison |
| Occupation | Machine Operator |
| Industry | Auto Parts Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 416 |
| Highest Grade | Hs 2 |
| 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 Herbert Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Smith (~0.92 confidence) and father Walter Smith (~0.92 confidence) and father Walter Smith (~0.92 confidence) and mother Jessie Smith (~0.92 confidence) and mother Jessie Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Smith
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Walter Smith
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Walter Smith
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Jessie Smith
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Jessie Smith
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Herbert Smith
Son · 1940 · age 28 · b. ~1912 · Indiana
★ You are viewing this record
Sibling
Irma Smith
Sibling · 1940 · age 25
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 — Madison-County, Indiana
Open full size
1940 US Federal Census — Madison-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01072-00513)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Warren Marshall | 24 | Head | Proprietor | Illinois |
| 2 | Betty Lou Marshall | 20 | Wife | — | Indiana |
| 3 | S. E. Craig | 36 | Head | Carpenter | Indiana |
| 4 | Bernice Craig | 38 | Wife | — | Indiana |
| 5 | Jack E. Craig | 16 | Son | — | Indiana |
| 6 | Gerhart Boerner | 41 | Head | Moulder | Pennsylvania |
| 7 | Marjorie Boerner | 35 | Wife | — | Indiana |
| 8 | Katie Joan Boerner | 9 | Daughter | — | Indiana |
| 9 | John Graib | 43 | Head | Assembler | Indiana |
| 10 | Emma Graib | 42 | Wife | — | Indiana |
| 11 | John Norman Graib | 14 | Son | — | Indiana |
| 12 | Paul David Graib | 11 | Son | — | Indiana |
| 13 | Avis Ruth Graib | 6 | Daughter | — | Indiana |
| 14 | William A. Dunbeck | 60 | Head | Soldier | Ohio |
| 15 | Mildred Dunbeck | 42 | Wife | Horn Dept | Indiana |
| 16 | Olivia Dunbeck | 23 | Daughter | Piano Teacher | Maryland |
| 17 | Walter Smith | 58 | Head | Ash Handler | Indiana |
| 18 | Jessie Smith | 53 | Wife | Presser | Indiana |
| 19 | Herbert Smith THIS PERSON | 28 | Son | Machine Operator | Indiana |
| 20 | Irma Smith | 25 | Daughter | Stenographer | Indiana |
| 21 | Jesse Newman | 47 | Head | Baker | Tennessee |
| 22 | Florence Newman | 37 | Wife | — | Indiana |
| 23 | Virginia Newman | 19 | Daughter | Student Nurse | Ohio |
| 24 | Osborne Hazel Newman | 18 | Niece | New Worker Housework | Indiana |
| 25 | Ray Zimmerman | 29 | Head | Gear Cutter | Indiana |
| 26 | Helen Zimmerman | 27 | Wife | — | Tennessee |
| 27 | Robert Zimmerman | 6 | Son | — | Indiana |
| 28 | Elmer Hunt | 48 | Head | Painter | Indiana |
| 29 | Matilda Hunt | 40 | Wife | — | Nebraska |
| 30 | John T. Straub | 44 | Head | Assembler | Pennsylvania |
| 31 | Ota Straub | 39 | Wife | — | Indiana |
| 32 | John T. Jr Straub | 22 | Son | Shoe Salesman | Indiana |
| 33 | Virginia Straub | 12 | Daughter | — | Indiana |
| 34 | John M. Straub | 72 | Head | — | France |
| 35 | Gretrude Straub | 63 | Wife | — | Germany |
| 36 | Emil G Scharnowski | 21 | Head | Laborer | Indiana |
| 37 | Virginia R. Scharnowski | 21 | Wife | — | Indiana |
| 38 | John M. Davis | 52 | Head | — | Indiana |
| 39 | Chloe Davis | 52 | Wife | — | Indiana |
| 40 | Ray Davis | 29 | Son | Production | Indiana |
Pedigree Summary
Herbert + 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)