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Joseph Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wapello-County, Iowa
Our Model Tree links this Joseph Schmidt across the 1920, 1930 and 1940 US Censuses in Wapello-County, Iowa (XGBoost, ~Confirmed), with identified parents Bennett & Elizabeth — first a head (b.~1898), then head of a 6-person household.
Age 42
b. ~1898
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wapello-County, Iowa |
| Surname | Schmidt |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Ottumwa City |
| 1935 Residence (County) | Wapello |
| Additional Details | |
| Occupation | Repair man |
| Industry | refrigeration |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 854 |
| Highest Grade | H-8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Repair Man |
| Township / Ward | Ottumwa City |
| Est. Birth Year | ~1898 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Schmidt | Head | — | 42 | ~1898 |
| Lilly Richards | Other | — | 61 | ~1879 |
| Lillian Schmidt | Daughter | — | 18 | ~1922 |
| Bernard Schmidt | Son | — | 15 | ~1925 |
| Claude Schmidt | Son | — | 9 | ~1931 |
| Dottie Schmidt | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Wapello, Iowa
Son, age 21
Wapello, Iowa · implied b. ~1899 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Laborer |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Wapello, Iowa
Head, age 32
Wapello, Iowa · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Engineer |
| Industry | Packing Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Radio Set | R |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Wapello-County, Iowa
Head, age 42
Wapello-County, Iowa · implied b. ~1898 — 6 household members
| Surname | Schmidt |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Ottumwa City |
| 1935 Residence (County) | Wapello |
| Occupation | Repair man |
| Industry | refrigeration |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 854 |
| Highest Grade | H-8 |
| 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 Joseph Schmidt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Bennett Schmidt (~0.92 confidence) and mother Elizabeth Schmidt (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bennett Schmidt
b. ~1845
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Schmidt
b. ~1855
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Schmidt
Head · 1940 · age 42 · b. ~1898 · Iowa
★ 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 — Wapello-County, Iowa
Open full size
1940 US Federal Census — Wapello-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01209-00362)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald Fiedler | 7 | Son | — | Iowa |
| 2 | Andrew Stoll | 46 | Head | Trainmaster | Wisconsin |
| 3 | Helen Stoll | 48 | Wife | — | Wisconsin |
| 4 | G. Elmer Pohlson | 44 | Head | Draftsman | Iowa |
| 5 | Mary Pohlson | 45 | Wife | — | Iowa |
| 6 | Phyllis Jane Pohlson | 14 | Daughter | — | Iowa |
| 7 | Gillian W. Pohlson | 11 | Son | — | Iowa |
| 8 | Louis F. Rehm | 42 | Head | Cashier | Iowa |
| 9 | Elizabeth Rehm | 47 | Wife | — | Illinois |
| 10 | Joseph Schmidt THIS PERSON | 42 | Head | Repair Man | Iowa |
| 11 | Dottie Schmidt | 40 | Wife | — | Iowa |
| 12 | Lillian Schmidt | 18 | Daughter | Maid | Iowa |
| 13 | Bernard Schmidt | 15 | Son | — | Iowa |
| 14 | Claude Schmidt | 9 | Son | — | Iowa |
| 15 | Lilly Richards | 61 | Mother-in-law | — | Iowa |
| 16 | Martin Anderson | 56 | Head | Tailor | Sweden |
| 17 | Annie Anderson | 55 | Wife | — | Sweden |
| 18 | John A. Anderson | 25 | Son | Clerk | Iowa |
| 19 | Carl G. Ruland | 68 | Head | — | Sweden |
| 20 | Emma C. Ruland | 60 | Wife | — | Sweden |
| 21 | Charles E. Ruland | 19 | Son | News Worker | Iowa |
| 22 | James W. Farrington | 53 | Head | Scaler | Iowa |
| 23 | Lorraine Egger | 22 | Maid | Maid | Iowa |
| 24 | Larry Egger | 3 | Son of Maid | — | Iowa |
| 25 | Henry Williams | 40 | Head | Proprietor | Iowa |
| 26 | Bertha Williams | 40 | Wife | — | Iowa |
| 27 | John Williams | 20 | Son | — | Iowa |
| 28 | Robert Williams | 17 | Son | — | Iowa |
| 29 | Ruth W. Wall | 47 | Head | Nurse | Iowa |
| 30 | Mildred E. Wall | 24 | Daughter | Contometer Operator | Iowa |
| 31 | Shirley Jean Wall | 12 | Daughter | — | Iowa |
| 32 | Mary Sands | 84 | Patient | — | Iowa |
| 33 | Clarence G. Nelson | 42 | Head | Structural Engineer | Iowa |
| 34 | Nettie Nelson | 42 | Wife | — | Iowa |
| 35 | Robert Nelson | 15 | Son | — | Iowa |
| 36 | Isabella Wall | 84 | Mother | — | England |
| 37 | Homer L. Sherman | 43 | Head | Decorator | Iowa |
| 38 | Ethel Sherman | 48 | Wife | — | Iowa |
| 39 | Allen Thompson | 25 | Head | Painter | Iowa |
| 40 | Effie Thompson | 59 | Wife | Cook | Iowa |
Pedigree Summary
Joseph
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)