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William Schwartz — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Shelby, Iowa
Our Model Tree links this William Schwartz across the 1930 and 1940 US Censuses in Shelby, Iowa (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 11-person household.
Age 14
b. ~1916
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Shelby, Iowa |
| Surname | Schwartz |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Westphalia Township |
| Est. Birth Year | ~1916 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Sylvan Schwartz | Son | — | 11 | ~1919 |
| Joseph Schwartz | Son | — | 15 | ~1915 |
| Martin Schwartz | Son | — | 1 | ~1929 |
| Margaret Schwartz | Daughter | — | 3 | ~1927 |
| William Schwartz | Head | — | 43 | ~1887 |
| Herbert Schwartz | Son | — | 19 | ~1911 |
| Michael Schwartz | Son | — | 17 | ~1913 |
| William Schwartz | Son | — | 14 | ~1916 |
| Mary Schwartz | Spouse | — | 40 | ~1890 |
| Caroline Schwartz | Daughter | — | 5 | ~1925 |
| Marie Schwartz | Daughter | — | 8 | ~1922 |
Census Appearances
1930
Shelby, Iowa
Son, age 14
Shelby, Iowa · implied b. ~1916 — 11 household members
| Surname | Schwartz |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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
Shelby-County, Iowa
Other, age 24
Shelby-County, Iowa · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schwarte |
| Given Name | William H |
| Relationship to Head | Hired hand |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (County) | Shelby |
| Occupation | Same house |
| Class of Worker | Farm laborer |
| Highest Grade | No 3 |
| 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 Schwartz across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Schwartz
Son · 1930 · age 14 · b. ~1916 · Iowa
★ You are viewing this record
Sibling
Marie Schwartz
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Schwartz
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Schwartz
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Caroline Schwartz
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Schwartz
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Schwartz
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Schwartz
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sylvan Schwartz
Sibling · 1930 · age 11
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
1930 US Federal Census — Shelby, Iowa
Open full size
1930 US Federal Census — Shelby, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel682:0877)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mike Schneider | 34 | Head | Farmer | Iowa |
| 2 | Katherine Schneider | 30 | Wife | — | Iowa |
| 3 | Ella M. Schneider | 9 | Daughter | — | Iowa |
| 4 | Rita Schneider | 8 | Daughter | — | Iowa |
| 5 | Ambrose Schneider | 5 | Son | — | Iowa |
| 6 | Urban Schneider | 2 | Son | — | Iowa |
| 7 | Henry H. Coenen | 34 | Head | Farmer | Iowa |
| 8 | Agnes Coenen | 34 | Wife | — | Iowa |
| 9 | Bernice Coenen | 11 | Daughter | — | Iowa |
| 10 | Raymond Coenen | 9 | Son | — | Iowa |
| 11 | Kenneth Coenen | 7 | Son | — | Iowa |
| 12 | Henry Jr. Coenen | 2 | Son | — | Iowa |
| 13 | Marilyn Coenen | 0 | Daughter | — | Iowa |
| 14 | Hubert Kloewer | 22 | Servant | Laborer | Iowa |
| 15 | John Schou | 57 | Head | Farmer | Illinois |
| 16 | Mary Schou | 53 | Wife | — | Iowa |
| 17 | Arthur Schou | 26 | Son | Laborer | Iowa |
| 18 | Henry Schou | 23 | Son | — | Iowa |
| 19 | Bonita Schou | 17 | Daughter | — | Iowa |
| 20 | Leo F. Schuey | 27 | Head | Farmer | Iowa |
| 21 | Priscilla Schuey | 20 | Wife | — | Iowa |
| 22 | Elmer Schuey | 0 | Son | — | Iowa |
| 23 | William Schwartz | 43 | Head | Farmer | Iowa |
| 24 | Mary Schwartz | 40 | Wife | — | Iowa |
| 25 | Herbert Schwartz | 19 | Son | — | Iowa |
| 26 | Michael Schwartz | 17 | Son | — | Iowa |
| 27 | Joseph Schwartz | 15 | Son | — | Iowa |
| 28 | William Schwartz THIS PERSON | 14 | Son | — | Iowa |
| 29 | Sylvan Schwartz | 11 | Son | — | Iowa |
| 30 | Marie Schwartz | 8 | Daughter | — | Iowa |
| 31 | Caroline Schwartz | 5 | Daughter | — | Iowa |
| 32 | Margaret Schwartz | 3 | Daughter | — | Iowa |
| 33 | Martin Schwartz | 1 | Son | — | Iowa |
| 34 | Alois Schiltz | 25 | Head | Farmer | Iowa |
| 35 | Lydia Schiltz | 20 | Wife | — | Iowa |
| 36 | Tony Schiltz | 30 | Brother | Farmer | Iowa |
| 37 | Fred Zimmermann | 50 | Head | Farmer | Iowa |
| 38 | Josephine Zimmermann | 43 | Wife | — | Austria |
| 39 | Roman Zimmermann | 17 | Son | — | Iowa |
| 40 | Bernard Zimmermann | 15 | Son | — | Iowa |
| 41 | Joseph Zimmermann | 14 | Son | — | Iowa |
| 42 | Anton Zimmermann | 12 | Son | — | Iowa |
| 43 | Aloys Zimmermann | 10 | Son | — | Iowa |
| 44 | Marie Zimmermann | 9 | Daughter | — | Iowa |
| 45 | Lawrence Zimmermann | 6 | Son | — | Iowa |
| 46 | Elizabeth Zimmermann | 4 | Daughter | — | Iowa |
| 47 | Anna B. Zimmermann | 2 | Daughter | — | Iowa |
| 48 | Anna Baish | 64 | Mother-in-law | — | Czechoslovakia |
| 49 | Chas. Zimmermann | 43 | Head | Farmer | Iowa |
| 50 | Katherine Zimmermann | 40 | Wife | — | 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)