MS
Mary Schmidt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Benton-County, Iowa
Our Model Tree links this Mary Schmidt across the 1920, 1930 and 1940 US Censuses in Benton-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 4-person household.
Age 54
b. ~1886
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Benton-County, Iowa |
| Surname | Schmidt |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Benton |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | St Clair Twp |
| Est. Birth Year | ~1886 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Pearl Schmidt | Daughter | — | 24 | ~1916 |
| John Schmidt | Head | — | 60 | ~1880 |
| Henry Ehrisman | Other | — | 34 | ~1906 |
| Mary Schmidt | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Benton, Iowa
Spouse, age 34
Benton, Iowa · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Benton, Iowa
Spouse, age 44
Benton, Iowa · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 19 |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Benton-County, Iowa
Spouse, age 54
Benton-County, Iowa · implied b. ~1886 — 4 household members
| Surname | Schmidt |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Benton |
| Highest Grade | No 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 Mary Schmidt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Schmidt
Spouse · 1940 · age 54 · b. ~1886 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Benton-County, Iowa
Open full size
1940 US Federal Census — Benton-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01138-00502)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold Groff | 36 | Head | Farmer | Iowa |
| 2 | Magdalene Groff | 25 | Wife | — | Iowa |
| 3 | Julia Groff | 0 | Daughter | — | Iowa |
| 4 | Louise Fuller | 25 | Hired | Housekeeper | Iowa |
| 5 | John L. Schmidt | 60 | Head | Farmer | Iowa |
| 6 | Mary Schmidt THIS PERSON | 54 | Wife | — | Iowa |
| 7 | Pearl Schmidt | 24 | Daughter | — | Iowa |
| 8 | Henry Ehrisman | 34 | Hired | Farm Laborer | Iowa |
| 9 | John E. Wanjikoff | 45 | Head | Farmer | Iowa |
| 10 | Leona Wanjikoff | 40 | Wife | — | Iowa |
| 11 | Walter F. Wanjikoff | 15 | Son | — | Iowa |
| 12 | Robert O. Wanjikoff | 12 | Son | — | Iowa |
| 13 | Tom Silvey | 45 | Head | Farmer | Iowa |
| 14 | Effie Silvey | 36 | Wife | — | Iowa |
| 15 | Thomas Silvey | 12 | Son | — | Iowa |
| 16 | Edward Silvey | 7 | Son | — | Iowa |
| 17 | Rosemary Silvey | 1 | Daughter | — | Iowa |
| 18 | Leo Pickenfelt | 35 | Head | Farmer | Iowa |
| 19 | Jennett Pickenfelt | 33 | Wife | — | Iowa |
| 20 | Lawrence Pickenfelt | 9 | Son | — | Iowa |
| 21 | Joyce Pickenfelt | 7 | Daughter | — | Iowa |
| 22 | David Pickenfelt | 6 | Son | — | Iowa |
| 23 | Janet Pickenfelt | 5 | Daughter | — | Iowa |
| 24 | Raelinn Pickenfelt | 3 | Daughter | — | Iowa |
| 25 | Leo Pickenfelt | 1 | Son | — | Iowa |
| 26 | Clarence Meekins | 19 | Hired | Farm Laborer | Iowa |
| 27 | Edwin Schenfelt | 22 | Hired | Farm Laborer | Iowa |
| 28 | Wm Oberreuter | 25 | Head | Farmer | Iowa |
| 29 | Louise Oberreuter | 54 | Wife | — | Iowa |
| 30 | Francis Oberreuter | 20 | Daughter | — | Iowa |
| 31 | Mary Oberreuter | 19 | Daughter | — | Iowa |
| 32 | Charles Coffland | 51 | Head | Farmer | Iowa |
| 33 | Bertha Coffland | 47 | Wife | — | Iowa |
| 34 | Roland Coffland | 25 | Son | Farm Laborer | Iowa |
| 35 | Raymond Coffland | 18 | Son | Farm Laborer | Iowa |
| 36 | Elmer Mayhew | 61 | Head | Farmer | Iowa |
| 37 | Annie Mayhew | 59 | Wife | — | Iowa |
| 38 | Lorrayne Mayhew | 22 | Son | Farm Laborer | Iowa |
| 39 | Henry Eckert | 58 | Head | Farmer | Iowa |
| 40 | Christine Eckert | 52 | Wife | — | Iowa |
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)