WS
William Schmidt — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Plymouth, Iowa
Our Model Tree links this William Schmidt across the 1910 and 1920 US Censuses in Plymouth, Iowa (XGBoost, ~Confirmed) — first a son (b.~1903), then head of a 10-person household.
Age 17
b. ~1903
Male
Son
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Plymouth, Iowa |
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | New York |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Portland Township |
| Est. Birth Year | ~1903 |
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 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Hulda Schmidt | Daughter | — | 21 | ~1899 |
| Ella Schmidt | Daughter | — | 11 | ~1909 |
| Emma Schmidt | Daughter | — | 9 | ~1911 |
| Minnie Schmidt | Daughter | — | 18 | ~1902 |
| Tillie Schmidt | Daughter | — | 13 | ~1907 |
| John Schmidt | Head | — | 61 | ~1859 |
| John Schmidt | Son | — | 15 | ~1905 |
| William Schmidt | Son | — | 17 | ~1903 |
| Elmer Schmidt | Son | — | 7 | ~1913 |
| Tillie Schmidt | Spouse | — | 51 | ~1869 |
Census Appearances
1910
Plymouth, Iowa
Son, age 8
Plymouth, Iowa · implied b. ~1902 — 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 | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | New York |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Plymouth, Iowa
Son, age 17
Plymouth, Iowa · implied b. ~1903 — 10 household members
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 2 US Census years (1910 and 1920) in Plymouth, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
William Schmidt
Son · 1920 · age 17 · b. ~1903 · Iowa
★ You are viewing this record
Sibling
John Schmidt
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Schmidt
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tillie Schmidt
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Schmidt
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Schmidt
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hulda Schmidt
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Schmidt
Sibling · 1920 · age 7
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 — Plymouth, Iowa
Open full size
1920 US Federal Census — Plymouth, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu506unit:1003)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dick Hartmann | 28 | Head | Farmer | Germany |
| 2 | Theresa Hartmann | 24 | Wife | — | Iowa |
| 3 | Harry Hartmann | 5 | Son | — | Iowa |
| 4 | William Hartmann | 3 | Son | — | Iowa |
| 5 | Henry Hansen | 26 | Servant | — | Germany |
| 6 | Ben Dahlmann | 44 | Head | Farmer | Germany |
| 7 | Amalie Dahlmann | 44 | Wife | — | Germany |
| 8 | Henry Dahlmann | 22 | Son | Farmer | Germany |
| 9 | George Dahlmann | 18 | Son | Farmer | Iowa |
| 10 | John Dahlmann | 16 | Son | Farmer | Iowa |
| 11 | Minnie Dahlmann | 13 | Daughter | — | Iowa |
| 12 | Almer Dahlmann | 12 | Son | — | Iowa |
| 13 | Harry Dahlmann | 10 | Son | — | South Dakota |
| 14 | William Dahlmann | 3 | Son | — | Iowa |
| 15 | Bernadine Dahlmann | 1 | Daughter | — | Iowa |
| 16 | Henry Klemme | 32 | Head | Farmer | Illinois |
| 17 | Amelia Klemme | 28 | Wife | — | Germany |
| 18 | Ella Klemme | 6 | Daughter | — | Iowa |
| 19 | Herbert Klemme | 4 | Son | — | Iowa |
| 20 | Nora Klemme | 2 | Daughter | — | Iowa |
| 21 | William Klemme | 1 | Son | — | Iowa |
| 22 | Henry Hulley | 42 | Head | Farmer | Illinois |
| 23 | Pearl Hulley | 30 | Wife | — | Illinois |
| 24 | Clarence Hulley | 17 | Son | Farmer | Illinois |
| 25 | Ralph Hulley | 15 | Son | — | Illinois |
| 26 | Cecil Hulley | 12 | Son | — | Illinois |
| 27 | Clyde Hulley | 8 | Son | — | Illinois |
| 28 | Clarence Hulley | 6 | Son | — | Illinois |
| 29 | Ruby Hulley | 4 | Daughter | — | Illinois |
| 30 | Roy Hulley | 1 | Son | — | Illinois |
| 31 | Almer Endresen | 51 | Hired Man | — | Norway |
| 32 | Frank Montgomery | 43 | Head | Farmer | Iowa |
| 33 | Agnes E. Montgomery | 26 | Wife | — | Iowa |
| 34 | Harold R. Montgomery | 3 | Son | — | Iowa |
| 35 | Kenneth D. Montgomery | 1 | Son | — | Iowa |
| 36 | Ethel M. Dahms | 20 | Sister-in-law | Teacher | Iowa |
| 37 | John F. Schmidt | 61 | Head | Farmer | Germany |
| 38 | Tillie Schmidt | 51 | Wife | — | New York |
| 39 | Hulda Schmidt | 21 | Daughter | — | Illinois |
| 40 | Minnie Schmidt | 18 | Daughter | — | Iowa |
| 41 | William Schmidt THIS PERSON | 17 | Son | — | Iowa |
| 42 | John Schmidt | 15 | Son | — | Iowa |
| 43 | Tillie Schmidt | 13 | Daughter | — | Iowa |
| 44 | Ella Schmidt | 11 | Daughter | — | Iowa |
| 45 | Emma Schmidt | 9 | Daughter | — | Iowa |
| 46 | Elmer Schmidt | 7 | Son | — | Iowa |
| 47 | George Schmidt | 25 | Head | Farmer | Iowa |
| 48 | Pearl Schmidt | 28 | Wife | — | Iowa |
| 49 | Henry Lueckem | 29 | Head | Farmer | Iowa |
| 50 | Emma Lueckem | 33 | Wife | — | Iowa |
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)