HS
Herbert Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Miami-County, Ohio
Our Model Tree links this Herbert Smith across the 1920, 1930 and 1940 US Censuses in Miami-County, Ohio (XGBoost, ~Confirmed), with identified parents Charles & Clara — first a son (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Miami-County, Ohio |
| Surname | Smith |
| Given Name | Herbert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Troy |
| 1935 Residence (County) | Miami |
| Additional Details | |
| Occupation | Mingo Dept |
| Industry | Airplane Factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 540 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Mingo Dept |
| Township / Ward | Troy |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Herbert | Age | Birth yr |
|---|---|---|---|---|
| Charles Smith | Head | — | 69 | ~1871 |
| Herbert Smith | Son | — | 28 | ~1912 |
| Clara Smith | Spouse | — | 67 | ~1873 |
Census Appearances
1920
Miami, Ohio
Son, age 8
Miami, Ohio · implied b. ~1912 — 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 | 8 |
| 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
Miami, Ohio
Son, age 18
Miami, Ohio · 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 | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | blue-print dept. |
| Industry | aircraft |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Miami-County, Ohio
Son, age 28
Miami-County, Ohio · implied b. ~1912 — 3 household members
| Surname | Smith |
| Given Name | Herbert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Troy |
| 1935 Residence (County) | Miami |
| Occupation | Mingo Dept |
| Industry | Airplane Factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 540 |
| Highest Grade | H-4 |
| 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 Herbert Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Smith (~0.92 confidence) and mother Clara Smith (~0.92 confidence) and father Charles Smith (~0.92 confidence) and father Chas Smith (~0.92 confidence) and mother Clara Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Smith
b. ~1847
Source father
● Household
· direct · ~0.92
Mother
Clara Smith
b. ~1848
Source mother
● Household
· direct · ~0.92
Father
Charles Smith
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Chas Smith
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Clara Smith
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Herbert Smith
Son · 1940 · age 28 · b. ~1912 · 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 — Miami-County, Ohio
Open full size
1940 US Federal Census — Miami-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03115-00246)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Belle Hobbs | 22 | wife | — | Ohio |
| 2 | Phyllis Mary Hobbs | 4 | daughter | — | Ohio |
| 3 | Charles J. Smith | 69 | Head | Laborer | Ohio |
| 4 | Clara Smith | 67 | wife | — | Ohio |
| 5 | Herbert Smith THIS PERSON | 28 | son | Mingo Dept | Ohio |
| 6 | Gerald L. Heaton | 35 | Head | Club Operator | Ohio |
| 7 | Golda P. Heaton | 35 | wife | — | Ohio |
| 8 | Douglas Heaton | 11 | son | — | Ohio |
| 9 | Grace Heaton | 6 | daughter | — | Ohio |
| 10 | Albert Plyuard | 31 | Head | Machinist | Ohio |
| 11 | Naomi Plyuard | 24 | wife | — | Ohio |
| 12 | Albert Jr. Plyuard | 1 | son | — | Ohio |
| 13 | Gaettier Nicholas | 27 | Head | — | Ohio |
| 14 | James Lee Nicholas | 0 | nephew | — | Ohio |
| 15 | Paul Motter | 31 | Head | Job Machine | Ohio |
| 16 | Marie Motter | 29 | wife | — | W. Virginia |
| 17 | Betty Marie Motter | 9 | daughter | — | Ohio |
| 18 | Loren Clingan | 34 | Head | Sheet Metal | Ohio |
| 19 | Thelma Clingan | 26 | wife | — | Ohio |
| 20 | Norma Clingan | 1 | daughter | — | Ohio |
| 21 | Kenneth Wright | 21 | Head | Machinist | Ohio |
| 22 | Mary Ellen Wright | 22 | wife | — | Ohio |
| 23 | Cecil Skene | 43 | Head | Laborer | Ohio |
| 24 | Ruth Skene | 40 | wife | — | Ohio |
| 25 | Robert Wilkey | 32 | Head | Plumber | Ohio |
| 26 | Mildred Wilkey | 30 | wife | — | Ohio |
| 27 | Betty Lou Wilkey | 12 | daughter | — | Ohio |
| 28 | John Hess | 38 | Head | Gas Service | Ohio |
| 29 | Alma Hess | 39 | wife | — | Ohio |
| 30 | Merle Ward | 26 | Head | Carpenter | Ohio |
| 31 | Mary Ward | 25 | wife | — | Ohio |
| 32 | Harvey Lavey | 43 | Head | Spot Welder | Ohio |
| 33 | Priscilla Lavey | 30 | wife | — | Ohio |
| 34 | Hugh Hooley | 47 | Head | Welder | Kentucky |
| 35 | Stella Hooley | 52 | wife | — | Ohio |
| 36 | James Hooley | 20 | son | Welder | Ohio |
| 37 | Fred Hooley | 17 | son | — | Ohio |
| 38 | Carlton Deady | 40 | Head | Salesman | Ohio |
| 39 | Priscilla Deady | 35 | wife | — | Ohio |
| 40 | Barbara Deady | 14 | daughter | — | Ohio |
Related Census Records
Pedigree Summary
Herbert
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)