HS
Herman Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pocahontas-County, Iowa
Our Model Tree links this Herman Smith across the 1920, 1930 and 1940 US Censuses in Pocahontas-County, Iowa (XGBoost, ~Confirmed), with identified parents Johnson & Johnson — first a son (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pocahontas-County, Iowa |
| Surname | Smith |
| Given Name | Herman |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Fonda Town |
| 1935 Residence (County) | Pocahontas |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Transfer |
| Hours Worked | 48 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Truck Driver |
| Township / Ward | Fonda Town |
| Est. Birth Year | ~1909 |
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 Herman | Age | Birth yr |
|---|---|---|---|---|
| Mabel Smith | Daughter | — | 18 | ~1922 |
| Lena Smith | Head | — | 52 | ~1888 |
| Daniel Smith | Son | — | 13 | ~1927 |
| Herman Smith | Son | — | 31 | ~1909 |
| Lee Smith | Son | — | 34 | ~1906 |
Census Appearances
1920
Pocahontas, Iowa
Son, age 11
Pocahontas, Iowa · implied b. ~1909 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Herman F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Pocahontas, Iowa
Son, age 21
Pocahontas, Iowa · implied b. ~1909 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Herman |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Genl Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Pocahontas-County, Iowa
Son, age 31
Pocahontas-County, Iowa · implied b. ~1909 — 5 household members
| Surname | Smith |
| Given Name | Herman |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Fonda Town |
| 1935 Residence (County) | Pocahontas |
| Occupation | Truck Driver |
| Industry | Transfer |
| Hours Worked | 48 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Herman Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Johnson Smith (~0.92 confidence) and father Johnson Smith (~0.92 confidence) and mother Lena Smith (~0.92 confidence) and mother Lena Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Johnson Smith
b. ~1862
Source father
● Household
· direct · ~0.92
Father
Johnson Smith
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Lena Smith
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Lena Smith
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Herman Smith
Son · 1940 · age 31 · b. ~1909 · Iowa
★ You are viewing this record
Sibling
Lee Smith
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Smith
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Smith
Sibling · 1940 · age 18
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 — Pocahontas-County, Iowa
Open full size
1940 US Federal Census — Pocahontas-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01191-00031)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary L. Mullen | 73 | Head | — | Ireland |
| 2 | Leo Mullen | 11 | Son | — | Iowa |
| 3 | Nettie Karr | 79 | Head | — | Iowa |
| 4 | J. E. Jordan | 71 | Head | Real Estate | Iowa |
| 5 | Maude E. Jordan | 66 | Wife | — | Iowa |
| 6 | John R. Byers | 68 | Head | Physician | Iowa |
| 7 | Ruth Byers | 38 | Wife | — | Iowa |
| 8 | Jane A. Byers | 5 | Daughter | — | Iowa |
| 9 | Donald R. Thompson | 27 | Head | Owner - Pool Hall | Iowa |
| 10 | Mildred Thompson | 25 | Wife | — | Iowa |
| 11 | Chas. Minebrenner | 50 | Head | Carpenter | Illinois |
| 12 | Viola Minebrenner | 38 | Wife | — | Iowa |
| 13 | Loretta Minebrenner | 14 | Daughter | — | Iowa |
| 14 | Carrie Minebrenner | 77 | Head | — | Illinois |
| 15 | Francis Christenson | 29 | Head | Blacksmith | South Dakota |
| 16 | Evelyn Christenson | 22 | Wife | — | Iowa |
| 17 | Lena Smith | 52 | Head | — | Illinois |
| 18 | Lee Smith | 34 | Son | Truck Driver | Illinois |
| 19 | Herman Smith THIS PERSON | 31 | Son | Truck Driver | Illinois |
| 20 | Mabel Smith | 18 | Daughter | — | Iowa |
| 21 | Daniel Smith | 13 | Son | — | Iowa |
| 22 | M. J. Murphy | 55 | Head | Owner Operator | Iowa |
| 23 | Alvina Murphy | 45 | Wife | Owner Operator | Iowa |
| 24 | Thomas Murphy | 23 | Son | — | Iowa |
| 25 | James Murphy | 16 | Son | — | Iowa |
| 26 | Leo Minebrenner | 47 | Head | — | Illinois |
| 27 | Eva Minebrenner | 37 | Wife | — | Nebraska |
| 28 | Fred Minebrenner | 17 | Son | New Worker | Iowa |
| 29 | Edward Minebrenner | 13 | Son | — | Iowa |
| 30 | Glen Minebrenner | 11 | Son | — | Iowa |
| 31 | Juanina Minebrenner | 8 | Daughter | — | Iowa |
| 32 | Ester Minebrenner | 6 | Daughter | — | Iowa |
| 33 | Robert Minebrenner | 4 | Son | — | Iowa |
| 34 | Francis Minebrenner | 1 | Son | — | Iowa |
| 35 | Albert Baskerville | 35 | Head | Trucker | Iowa |
| 36 | Catherine Baskerville | 35 | Wife | — | Missouri |
| 37 | Robert Baskerville | 14 | Son | — | Iowa |
| 38 | Dorothy Baskerville | 11 | Daughter | — | Iowa |
| 39 | Syl Duffy | 61 | Head | — | Iowa |
| 40 | Mabel Duffy | 50 | Sister | — | Iowa |
Related Census Records
Pedigree Summary
Herman + 3 siblings
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)