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John Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Moody-County, South Dakota
Our Model Tree links this John Schmidt across the 1920, 1930 and 1940 US Censuses in Moody-County, South Dakota (XGBoost, ~Confirmed), with identified parents Paulina & Pauline — first a son (b.~1908), then head of a 7-person household.
Age 32
b. ~1908
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Moody-County, South Dakota |
| Surname | Schmidt |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Colman Township |
| 1935 Residence (County) | Moody |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Colman Township |
| Est. Birth Year | ~1908 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Schmidt | Daughter | — | 24 | ~1916 |
| Clara Schmidt | Daughter | — | 29 | ~1911 |
| Dennis Schmidt | Head | — | 65 | ~1875 |
| Lawrence Schmidt | Son | — | 26 | ~1914 |
| George Schmidt | Son | — | 28 | ~1912 |
| John Schmidt | Son | — | 32 | ~1908 |
| Pauline Schmidt | Spouse | — | 67 | ~1873 |
Census Appearances
1920
Moody, South …
Son, age 12
Moody, South Dakota · implied b. ~1908 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Moody, South …
Son, age 22
Moody, South Dakota · implied b. ~1908 — 48 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | Farm Labor |
| Class of Worker | VVVV W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Moody-County, South …
Son, age 32
Moody-County, South Dakota · implied b. ~1908 — 7 household members
| Surname | Schmidt |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Colman Township |
| 1935 Residence (County) | Moody |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 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 John Schmidt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Paulina Schmidt (~0.92 confidence) and mother Pauline Schmidt (~0.92 confidence) and father Dennis Schmidt (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Paulina Schmidt
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Pauline Schmidt
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Dennis Schmidt
b. ~1875
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Schmidt
Son · 1940 · age 32 · b. ~1908 · South Dakota
★ You are viewing this record
Sibling
Clara Schmidt
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Schmidt
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Schmidt
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Schmidt
Sibling · 1940 · age 26
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 — Moody-County, South Dakota
Open full size
1940 US Federal Census — Moody-County, South Dakota
Page Contents
30 people indexed on this census page (nara:1940:m-t0627-03865-00062)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Son Robert | None | M | — | — |
| 2 | Son Hazy | None | M | — | — |
| 3 | Son | None | M | — | — |
| 4 | Dennis Schmidt | 65 | Head | Farmer | Iowa |
| 5 | Pauline Schmidt | 67 | Wife | — | Iowa |
| 6 | John Schmidt THIS PERSON | 32 | Son | Farmer | Iowa |
| 7 | George Schmidt | 28 | Son | Farmer | South Dakota |
| 8 | Lawrence Schmidt | 26 | Son | Laborer | South Dakota |
| 9 | Clara Schmidt | 29 | Daughter | — | South Dakota |
| 10 | Mary Schmidt | 24 | Daughter | — | South Dakota |
| 11 | Ben Dunlap | 50 | Head | Farmer | South Dakota |
| 12 | Hazel Dunlap | 41 | Wife | — | Minnesota |
| 13 | Robert Dunlap | 18 | Son | Trucker | South Dakota |
| 14 | Lucille Groos | 23 | Hired help | Hired Help | South Dakota |
| 15 | Leonard Foster | 30 | Hired help | Laborer | South Dakota |
| 16 | Claus Cramer | 21 | Hired help | Laborer | South Dakota |
| 17 | Nels Johansen | 40 | Hired help | Laborer | South Dakota |
| 18 | John Fuchs | 72 | Head | Farmer | Wisconsin |
| 19 | Lizzie Fuchs | 65 | Wife | — | Iowa |
| 20 | Louis Fick | 49 | Head | Farmer | South Dakota |
| 21 | Emily Fick | 45 | Wife | — | Minnesota |
| 22 | Robert Fick | 19 | Son | Laborer | South Dakota |
| 23 | Mary L. Fick | 13 | Daughter | — | South Dakota |
| 24 | Leo Groos | 28 | Head | Farmer | South Dakota |
| 25 | Anthony Groos | 35 | Head | Farmer | South Dakota |
| 26 | Laura Groos | 36 | Wife | — | Iowa |
| 27 | Theressa Groos | 8 | Daughter | — | South Dakota |
| 28 | Robert Groos | 2 | Son | — | South Dakota |
| 29 | Mary A. Groos | 1 | Daughter | — | South Dakota |
| 30 | Carl Johnson | 54 | Head | Farmer | Sweden |
Related Census Records
Pedigree Summary
John + 4 siblings
Gen 1 · 3 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)