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John Schaefer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Iowa-County, Wisconsin
Our Model Tree links this John Schaefer across the 1930 and 1940 US Censuses in Iowa-County, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 8-person household.
Age 20
b. ~1920
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Iowa-County, Wisconsin |
| Surname | Schaefer |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Highland |
| 1935 Residence (County) | Iowa |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 380 |
| Highest Grade | H 4 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Laborer |
| Township / Ward | Cobb Village |
| Est. Birth Year | ~1920 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Schaefer | Daughter | — | 15 | ~1925 |
| Thomas Schaefer | Son | — | 5 | ~1935 |
| Donald Schaefer | Son | — | 13 | ~1927 |
| John Schaefer | Son | — | 20 | ~1920 |
| Robert Schaefer | Son | — | 11 | ~1929 |
| Joseph Schaefer | Son | — | 18 | ~1922 |
| Elizabeth Schaefer | Spouse | — | 47 | ~1893 |
| Henry Schaefer | Head | — | 53 | ~1887 |
Census Appearances
1930
Iowa, Wisconsin
Son, age 10
Iowa, Wisconsin · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schafer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Germany |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Iowa-County, Wisconsin
Son, age 20
Iowa-County, Wisconsin · implied b. ~1920 — 8 household members
| Surname | Schaefer |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Highland |
| 1935 Residence (County) | Iowa |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 380 |
| Highest Grade | H 4 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 John Schaefer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Schaefer
Son · 1940 · age 20 · b. ~1920 · Wisconsin
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Sibling
Robert Schaefer
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Schaefer
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Schaefer
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Schaefer
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Schaefer
Sibling · 1940 · age 18
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 — Iowa-County, Wisconsin
Open full size
1940 US Federal Census — Iowa-County, Wisconsin
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04483-00550)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John E. Drury | 72 | Head | — | Wisconsin |
| 2 | Rose M. Drury | 73 | Wife | — | Wisconsin |
| 3 | Hans Christianson | 70 | Head | Cheese Maker | Denmark |
| 4 | Asta C. Christianson | 70 | Wife | — | Denmark |
| 5 | Annie M. Christianson | 47 | Daughter | — | Denmark |
| 6 | Kathrine M. Christianson | 43 | Daughter | — | Wisconsin |
| 7 | Hans Jr. Christianson | 33 | Son | — | Wisconsin |
| 8 | Lester A. Ringery | 24 | Head | Laborer | Illinois |
| 9 | Eleanor Ringery | 19 | Wife | — | Illinois |
| 10 | Roger L. Ringery | 2 | Son | — | Wisconsin |
| 12 | Mary K. Leslie | 54 | Head | — | Wisconsin |
| 13 | Phyllis L. Leslie | 21 | Daughter | — | Wisconsin |
| 14 | Carl F. Sieber | 67 | Head | — | Germany |
| 15 | Mary Sieber | 64 | Wife | — | Germany |
| 16 | Esther L. Sieber | 21 | Daughter | — | Wisconsin |
| 17 | Ruth L. Sieber | 19 | Daughter | — | Wisconsin |
| 18 | John H. Richter | 66 | Head | — | Wisconsin |
| 19 | Elizabeth B. Richter | 62 | Wife | — | Wisconsin |
| 20 | Rose A. Richter | 21 | Daughter | Laborer | Wisconsin |
| 21 | Curtis J. Richter | 17 | Son | — | Wisconsin |
| 23 | Henry E. Miller | 77 | Head | — | Wisconsin |
| 24 | Ione L. Miller | 73 | Wife | — | Wisconsin |
| 25 | Henry A. Schaefer | 53 | Head | Laborer | Germany |
| 26 | Elizabeth Schaefer | 47 | Wife | — | Wisconsin |
| 27 | John H. Schaefer THIS PERSON | 20 | Son | Laborer | Wisconsin |
| 28 | Joseph W. Schaefer | 18 | Son | Laborer | Wisconsin |
| 29 | Elizabeth A. Schaefer | 15 | Daughter | — | Wisconsin |
| 30 | Donald F. Schaefer | 13 | Son | — | Wisconsin |
| 31 | Robert J. Schaefer | 11 | Son | — | Wisconsin |
| 32 | Thomas L. Schaefer | 5 | Son | — | Wisconsin |
| 33 | Joseph L. Gullick | 57 | Head | Laborer | Wisconsin |
| 34 | Clara A. Gullick | 47 | Wife | — | Wisconsin |
| 35 | Charlotte J. Gullick | 19 | Daughter | House Keeper | Wisconsin |
| 36 | Homer M. Gullick | 17 | Son | Laborer | Wisconsin |
| 37 | Lucile C. Gullick | 13 | Daughter | — | Wisconsin |
| 38 | Johann C. Gullick | 2 | Daughter | — | Wisconsin |
| 39 | Eliza Jane Keyes | 74 | Head | — | Wisconsin |
| 40 | Ira G. Keyes | 53 | Daughter | — | Wisconsin |
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)