WS
William Schmidt — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Kossuth, Iowa
Our Model Tree links this William Schmidt across the 1910, 1920 and 1930 US Censuses in Kossuth, Iowa (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 3-person household.
Age 54
b. ~1876
Male
Head
Born: Iowa
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Kossuth, Iowa |
| Surname | Schmidt |
| Given Name | William E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 23 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Laborer |
| Industry | General Farming |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Fenton Township |
| Est. Birth Year | ~1876 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Schmidt | Head | — | 54 | ~1876 |
| Martin Schmidt | Son | — | 20 | ~1910 |
| Lena Schmidt | Spouse | — | 44 | ~1886 |
Census Appearances
1910
Kossuth, Iowa
Head, age 34
Kossuth, Iowa · implied b. ~1876
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Schmidt |
| Given Name | William F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Iowa |
| Years Married | 1 |
| Father's Birthplace | Ger |
| Mother's Birthplace | Ger |
| Occupation | Farmer |
| Industry | General Farm |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Kossuth, Iowa
Head, age 44
Kossuth, Iowa · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | William E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Kossuth, Iowa
Head, age 54
Kossuth, Iowa · implied b. ~1876 — 3 household members
| Surname | Schmidt |
| Given Name | William E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 23 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Laborer |
| Industry | General Farming |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| 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 (1910, 1920 and 1930) in Kossuth, Iowa, using XGBoost record linkage.
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This person
Anchor record
William Schmidt
Head · 1930 · age 54 · b. ~1876 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Kossuth, Iowa
Open full size
1930 US Federal Census — Kossuth, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacencus00reel663:0186)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Melvin Nolan | 20 | Boarder | Laborer | Iowa |
| 52 | Paul Pevestorf | 50 | Head | Laborer | Germany |
| 53 | Bertha Pevestorf | 49 | Wife | — | Iowa |
| 54 | Melinda Pevestorf | 18 | Daughter | — | Iowa |
| 55 | Lucille Heptelmann | 18 | Boarder | Teacher | Iowa |
| 56 | William E. Schmidt THIS PERSON | 54 | Head | Laborer | Iowa |
| 57 | Lena Schmidt | 44 | Wife | — | Germany |
| 58 | Martin Schmidt | 20 | Son | Laborer | Iowa |
| 59 | Gerald Griesel | 31 | Head | Laborer | Iowa |
| 60 | Lydia Griesel | 32 | Wife | — | Iowa |
| 61 | Albert A. Lading | 41 | Head | Laborer | Wisconsin |
| 62 | Clementine Lading | 43 | Wife | — | Germany |
| 63 | Melinda Lading | 21 | Daughter | — | Iowa |
| 64 | Martin Lading | 19 | Son | Laborer | Iowa |
| 65 | William Lading | 17 | Son | Laborer | Iowa |
| 66 | Hilda Lading | 15 | Daughter | — | Iowa |
| 67 | Raymond Lading | 13 | Son | — | Iowa |
| 68 | Manda Lading | 9 | Daughter | — | Iowa |
| 69 | Agnes Lading | 15 | Daughter | — | North Dakota |
| 70 | Fred Boettcher | 28 | Head | Laborer | Iowa |
| 71 | Clara Boettcher | 23 | Wife | — | Iowa |
| 72 | Ardell Boettcher | 1 | Daughter | — | Iowa |
| 73 | Herman Ludtke | 55 | Head | Laborer | Iowa |
| 74 | Helena Ludtke | 50 | Wife | — | Iowa |
| 75 | Marvin Ludtke | 11 | Son | — | Iowa |
| 76 | Louis Ludtke | 10 | Son | — | Iowa |
| 77 | Esther Ludtke | 7 | Daughter | — | Iowa |
| 78 | Donald Ludtke | 1 | Son | — | Iowa |
| 79 | August Boettcher | 56 | Head | Laborer | Germany |
| 80 | Joanna Boettcher | 48 | Wife | — | Germany |
| 81 | Albert Boettcher | 26 | Son | Laborer | Iowa |
| 82 | William Boettcher | 22 | Son | Laborer | Iowa |
| 83 | Fred C. Lading | 51 | Head | Laborer | Wisconsin |
| 84 | Bertha Lading | 48 | Wife | — | Iowa |
| 85 | Erwin Lading | 10 | Son | — | Iowa |
| 86 | Esther Lading | 9 | Daughter | — | Iowa |
| 87 | Christina Lading | 3 | Daughter | — | Iowa |
| 88 | William Lading | 65 | Brother | Laborer | Wisconsin |
| 89 | William Buss | 28 | Head | Laborer | Iowa |
| 90 | Alvina Buss | 22 | Wife | — | Iowa |
| 91 | Leona Buss | 3 | Daughter | — | Iowa |
| 92 | Delores Buss | 1 | Daughter | — | Iowa |
| 93 | James Buss | 0 | Son | — | Iowa |
| 94 | John C. Engelhardt | 62 | Head | Laborer | Germany |
| 95 | Alvina Engelhardt | 61 | Wife | — | Germany |
| 96 | John Engelhardt | 26 | Son | Laborer | Iowa |
| 97 | Martha Engelhardt | 23 | Daughter | — | Iowa |
| 98 | Lydia Engelhardt | 20 | Daughter | — | Iowa |
| 99 | Eric Engelhardt | 18 | Son | — | Iowa |
| 100 | Gustaf Kraft | 64 | Head | Laborer | Germany |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)