JF
John Fischer — 1940 US Census Record
Model Tree available1940 United States Federal Census · Edmunds-County, South Dakota
Our Model Tree links this John Fischer across the 1920, 1930 and 1940 US Censuses in Edmunds-County, South Dakota (XGBoost, ~Confirmed), with identified parents Michael & Magdalena — first a head (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Male
Head
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Edmunds-County, South Dakota |
| Surname | FISCHER |
| Given Name | JOHN |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Belle Township |
| 1935 Residence (County) | Edmunds |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Farmer |
| Township / Ward | Belle Township |
| Est. Birth Year | ~1900 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Theresa Fischer | Daughter | — | 5 | ~1935 |
| Deloris Fischer | Daughter | — | 2 | ~1938 |
| John Fischer | Head | — | 40 | ~1900 |
| Louisa Fischer | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Edmunds, South …
Son, age 21
Edmunds, South Dakota · implied b. ~1899 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fischer |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
Edmunds, South …
Other, age 30
Edmunds, South Dakota · implied b. ~1900 — 44 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fischer |
| Given Name | John M |
| Relationship to Head | O |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Age at First Marriage | 30 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Edmunds-County, South …
Head, age 40
Edmunds-County, South Dakota · implied b. ~1900 — 4 household members
| Surname | FISCHER |
| Given Name | JOHN |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Belle Township |
| 1935 Residence (County) | Edmunds |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 Fischer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Fischer (~0.92 confidence) and mother Magdalena Fischer (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Fischer
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Magdalena Fischer
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Fischer
Head · 1940 · age 40 · b. ~1900 · South Dakota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Edmunds-County, South Dakota
Open full size
1940 US Federal Census — Edmunds-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03855-00207)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Fischer | 39 | Head | Farmer | North Dakota |
| 2 | Peter Fischer | 14 | Son | Farmer | South Dakota |
| 3 | Leo Fischer | 12 | Son | — | South Dakota |
| 4 | Elmer Fischer | 9 | Son | — | South Dakota |
| 5 | Edmond Diede | 24 | Head | Farmer | South Dakota |
| 6 | Ella Diede | 21 | Wife | — | South Dakota |
| 7 | Darwin Diede | 7 | Son | — | South Dakota |
| 8 | Edna Diede | 4 | Daughter | — | South Dakota |
| 9 | Christ Diede | 59 | Father | Farm Helper | South Dakota |
| 10 | Anna Diede | 63 | Mother | — | South Dakota |
| 11 | John Fischer THIS PERSON | 40 | Head | Farmer | South Dakota |
| 12 | Louisa Fischer | 29 | Wife | — | South Dakota |
| 13 | Theresa Fischer | 5 | Daughter | — | South Dakota |
| 14 | Deloris Fischer | 2 | Daughter | — | South Dakota |
| 15 | Anna Schaub | 48 | Head | Farmer | Iowa |
| 16 | Mable Schaub | 21 | Daughter | Teacher | South Dakota |
| 17 | Roger Schaub | 19 | Son | Farm Helper | South Dakota |
| 18 | August Schaub | 17 | Son | — | South Dakota |
| 19 | Arthur Schaub | 15 | Son | — | South Dakota |
| 20 | Frances Schaub | 13 | Daughter | — | South Dakota |
| 21 | Florence Schaub | 13 | Daughter | — | South Dakota |
| 22 | Ellen Schaub | 10 | Daughter | — | South Dakota |
| 23 | Clara Schaub | 8 | Daughter | — | South Dakota |
| 24 | Francis Schaub | 5 | Son | — | South Dakota |
| 25 | Jacob Gauer | 39 | Head | Farmer | Russia |
| 26 | Eva Gauer | 35 | Wife | — | North Dakota |
| 27 | Caroline Gauer | 11 | Daughter | — | South Dakota |
| 28 | Jacob Jr Gauer | 9 | Son | — | South Dakota |
| 29 | Francis Gauer | 6 | Son | — | South Dakota |
| 30 | Carl Krueger | 45 | Head | County Commissioner | South Dakota |
| 31 | Wavie Krueger | 43 | Wife | — | Iowa |
| 32 | Maurice Krueger | 15 | Son | — | South Dakota |
| 33 | Arlene Krueger | 15 | Niece | — | South Dakota |
| 34 | Margery Krueger | 13 | Niece | — | South Dakota |
| 35 | Marcella Krueger | 11 | Niece | — | South Dakota |
| 36 | Mark Blunt | 35 | Head | Farmer | Iowa |
| 37 | Aletha Blunt | 29 | Wife | — | South Dakota |
| 38 | Ruth Blunt | 8 | Daughter | — | South Dakota |
| 39 | Roy Blunt | 6 | Son | — | South Dakota |
| 40 | Floyd Blunt | 4 | Son | — | South Dakota |
Pedigree Summary
John
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)