WS
William Schmidt — 1920 US Census Record
Model Tree available1920 United States Federal Census · Clinton, Iowa
Our Model Tree links this William Schmidt across the 1920, 1930 and 1940 US Censuses in Clinton, Iowa (XGBoost, ~Confirmed), with identified parents Henry — first a son (b.~1895), then head of a 5-person household.
Age 25
b. ~1895
Male
Son
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Clinton, Iowa |
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Brookfield Twp |
| Est. Birth Year | ~1895 |
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 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Lilly Schmidt | Daughter | — | 21 | ~1899 |
| Rose Schmidt | Daughter | — | 39 | ~1881 |
| Nellie Schmidt | Daughter | — | 31 | ~1889 |
| Henry Schmidt | Head | — | 73 | ~1847 |
| William Schmidt | Son | — | 25 | ~1895 |
Census Appearances
1920
Clinton, Iowa
Son, age 25
Clinton, Iowa · implied b. ~1895 — 5 household members
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Clinton, Iowa
Head, age 36
Clinton, Iowa · implied b. ~1894 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Will |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 30 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Clinton-County, Iowa
Head, age 46
Clinton-County, Iowa · implied b. ~1894 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Wm |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Grant Twp |
| 1935 Residence (County) | Clinton |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 40 |
| Income (1939) | 100 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Henry Schmidt (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Schmidt
b. ~1847
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Schmidt
Son · 1920 · age 25 · b. ~1895 · Iowa
★ You are viewing this record
Sibling
Lilly Schmidt
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Schmidt
Sibling · 1920 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Schmidt
Sibling · 1920 · age 39
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
1920 US Federal Census — Clinton, Iowa
Open full size
1920 US Federal Census — Clinton, Iowa
Page Contents
38 people indexed on this census page (ia:1920:14thcensusofpopu484unit:0581)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Hugh E. A. Clark | 32 | Head | Farmer | England |
| 52 | Elva V. Clark | 28 | Wife | — | Iowa |
| 53 | John W. Clark | 5 | Son | — | Iowa |
| 54 | Marion E. Clark | 3 | Daughter | — | Iowa |
| 55 | Edward H. Clark | 1 | Son | — | Iowa |
| 56 | Thomas E. Myatt | 32 | Head | Farmer | Iowa |
| 57 | Marie H. Myatt | 29 | Wife | — | Illinois |
| 58 | Dorothy H. Myatt | 4 | Daughter | — | Iowa |
| 59 | Thomas E. Myatt | 3 | Son | — | Iowa |
| 60 | Ernest Hill | 58 | Head | Farmer | Iowa |
| 61 | Ida E. Hill | 57 | Wife | — | Iowa |
| 62 | L. Delight Hill | 11 | Daughter | — | Iowa |
| 63 | Wm. J. Busch | 31 | Head | Farmer | Iowa |
| 64 | Daisy B. Busch | 24 | Wife | — | Iowa |
| 65 | Agnes A. Busch | 2 | Daughter | — | Iowa |
| 66 | Christian Hansen | 38 | Head | Farmer | Iowa |
| 67 | Mary C. Hansen | 31 | Wife | — | Iowa |
| 68 | Helena C. Hansen | 12 | Daughter | — | Iowa |
| 69 | Arthur B. Hansen | 8 | Son | — | Iowa |
| 70 | Erfan B. Iverson | 32 | Head | Farmer | Iowa |
| 71 | Grace M. Iverson | 31 | Wife | — | Iowa |
| 72 | Roy E. Iverson | 10 | Son | — | Iowa |
| 73 | Lola M. Iverson | 8 | Daughter | — | Iowa |
| 74 | Thelma M. Iverson | 5 | Daughter | — | Iowa |
| 75 | John C. Martens | 48 | Head | Farmer | Iowa |
| 76 | Anna Martens | 39 | Wife | — | Iowa |
| 77 | Mary Martens | 15 | Daughter | — | Iowa |
| 78 | Stella Martens | 14 | Daughter | — | Iowa |
| 79 | Norman Martens | 13 | Son | — | Iowa |
| 80 | Elsie Martens | 12 | Daughter | — | Iowa |
| 81 | Egal Martens | 11 | Son | — | Iowa |
| 82 | Laura Martens | 7 | Daughter | — | Iowa |
| 83 | Floyd Martens | 6 | Son | — | Iowa |
| 84 | Henry Schmidt | 73 | Head | Farmer | Holstein |
| 85 | Rose Schmidt | 39 | Daughter | — | Iowa |
| 86 | Nellie Schmidt | 31 | Daughter | Teacher | Iowa |
| 87 | Lilly Schmidt | 21 | Daughter | — | Iowa |
| 88 | William Schmidt THIS PERSON | 25 | Son | Farmer | Iowa |
Pedigree Summary
William + 3 siblings
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)