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William Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Benton-County, Iowa
Our Model Tree links this William Schmidt across the 1920, 1930 and 1940 US Censuses in Benton-County, Iowa (XGBoost, ~Confirmed), with identified parents Wm & William — first a son (b.~1919), then head of a 10-person household.
Age 21
b. ~1919
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Benton-County, Iowa |
| Surname | Schmidt |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Benton |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Laborer |
| Township / Ward | St Clair |
| Est. Birth Year | ~1919 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Margret Schmidt | Daughter | — | 24 | ~1916 |
| Deloris Schmidt | Daughter | — | 20 | ~1920 |
| Allice Schmidt | Daughter | — | 6 | ~1934 |
| Annie Schmidt | Daughter | — | 12 | ~1928 |
| Wm Schmidt | Head | — | 50 | ~1890 |
| Clarence Schmidt | Son | — | 20 | ~1920 |
| Louis Schmidt | Son | — | 16 | ~1924 |
| William Schmidt | Son | — | 21 | ~1919 |
| Allen Schmidt | Son | — | 6 | ~1934 |
| Mary Schmidt | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Benton, Iowa
Son, age 1
Benton, Iowa · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Benton, Iowa
Son, age 11
Benton, Iowa · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Benton-County, Iowa
Son, age 21
Benton-County, Iowa · implied b. ~1919 — 10 household members
| Surname | Schmidt |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Benton |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 William Schmidt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Wm Schmidt (~0.92 confidence) and father William Schmidt (~0.92 confidence) and mother Mary Schmidt (~0.92 confidence) and mother Mary Schmidt (~0.92 confidence) and mother Mary Schmidt (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Wm Schmidt
b. ~1891
Source father
● Household
· direct · ~0.92
Father
William Schmidt
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Mary Schmidt
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Mary Schmidt
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Mary Schmidt
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Schmidt
Son · 1940 · age 21 · b. ~1919 · Iowa
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Sibling
Allen Schmidt
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Schmidt
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allice Schmidt
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margret Schmidt
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Deloris Schmidt
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Schmidt
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Schmidt
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 — Benton-County, Iowa
Open full size
1940 US Federal Census — Benton-County, Iowa
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01138-00499)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bernard Becker | 42 | Head | Farmer | Iowa |
| 42 | Elizabeth Becker | 40 | Wife | — | Iowa |
| 43 | Gladies Becker | 12 | Daughter | — | Iowa |
| 44 | Charles Becker | 9 | Son | — | Iowa |
| 45 | Coletta Becker | 5 | Daughter | — | Iowa |
| 46 | Ben Buhma | 50 | Hired | Farm Laborer | Iowa |
| 47 | Theo Schmidt | 45 | Head | Farmer | Iowa |
| 48 | Rosella Schmidt | 42 | Wife | — | Iowa |
| 49 | Lavern Schmidt | 18 | Daughter | — | Iowa |
| 50 | Elone Schmidt | 14 | Daughter | — | Iowa |
| 51 | Dorise Schmidt | 11 | Daughter | — | Iowa |
| 52 | Geraldin Schmidt | 7 | Daughter | — | Iowa |
| 53 | Genei Schmidt | 4 | Daughter | — | Iowa |
| 54 | Patracha Schmidt | 1 | Daughter | — | Iowa |
| 55 | Vernon Schmidt | 22 | Son | Farm Laborer | Iowa |
| 56 | Elen Schmidt | 21 | Wife | — | Iowa |
| 57 | George Becker | 21 | Head | Farmer | Iowa |
| 58 | Bernice Becker | 19 | Wife | — | Iowa |
| 59 | Wm Schmidt | 50 | Head | Farmer | Iowa |
| 60 | Mary Schmidt | 40 | Wife | — | Iowa |
| 61 | Margret Schmidt | 24 | Daughter | — | Iowa |
| 62 | Deloris Schmidt | 20 | Daughter | — | Iowa |
| 63 | William Jr Schmidt THIS PERSON | 21 | Son | Farm Laborer | Iowa |
| 64 | Clarence Schmidt | 20 | Son | Farm Laborer | Iowa |
| 65 | Louis Schmidt | 16 | Son | Farm Laborer | Iowa |
| 66 | Annie Mae Schmidt | 12 | Daughter | — | Iowa |
| 67 | Allen Schmidt | 6 | Son | — | Iowa |
| 68 | Allice Schmidt | 6 | Daughter | — | Iowa |
| 69 | Anton Rieder | 77 | Head | Farmer | Germany |
| 70 | Mary Ann Rieder | 63 | Wife | — | Iowa |
| 71 | John Rieder | 33 | Son | Farm Laborer | Iowa |
| 72 | David Schutterle | 45 | Hired | Farm Laborer | Iowa |
| 73 | Frank Miller | 42 | Head | Farmer | Iowa |
| 74 | Rose Miller | 37 | Wife | — | Iowa |
| 75 | Morice Miller | 15 | Son | — | Iowa |
| 76 | John Schmucker | 57 | Head | Farmer | Iowa |
| 77 | Mary Schmucker | 64 | Wife | — | Iowa |
Related Census Records
Pedigree Summary
William + 7 siblings
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)