MT
Marie Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Palo-Alto-County, Iowa
Our Model Tree links this Marie Thompson across the 1930 and 1940 US Censuses in Palo-Alto-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 7-person household.
Age 42
b. ~1898
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Palo-Alto-County, Iowa |
| Surname | Thompson |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Palo Alto |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Fairfield Twp |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| John Thompson | Head | — | 76 | ~1864 |
| Robert Thompson | Son | — | 2 | ~1938 |
| Marie Thompson | Spouse | — | 42 | ~1898 |
| John Thompson | Son | — | 14 | ~1926 |
| Delmer Thompson | Son | — | 7 | ~1933 |
| Elaine Thompson | Daughter | — | 12 | ~1928 |
| Alice Thompson | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Palo Alto, …
Other, age 31
Palo Alto, Iowa · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Marie |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 24 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Palo-Alto-County, Iowa
Spouse, age 42
Palo-Alto-County, Iowa · implied b. ~1898 — 7 household members
| Surname | Thompson |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Palo Alto |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| 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 Marie Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Thompson
Spouse · 1940 · age 42 · b. ~1898 · 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 — Palo-Alto-County, Iowa
Open full size
1940 US Federal Census — Palo-Alto-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01189-00158)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Scheller | 48 | Head | Farmer | Iowa |
| 42 | Melia Scheller | 45 | Wife | — | Russia |
| 43 | Lyle Scheller | 14 | Son | — | Iowa |
| 44 | Marlys Scheller | 13 | Daughter | — | Iowa |
| 45 | Wayne Scheller | 10 | Son | — | Iowa |
| 46 | Dorothy Scheller | 9 | Daughter | — | Iowa |
| 47 | Vernon Blass | 52 | Head | Farmer | Iowa |
| 48 | Marie Blass | 47 | Wife | — | Iowa |
| 49 | Marian H Blass | 20 | Son | — | Iowa |
| 50 | Elaine Blass | 13 | Daughter | — | Iowa |
| 51 | Irene Blass | 11 | Daughter | — | Iowa |
| 52 | Frank E North | 53 | Head | Farmer | Illinois |
| 53 | Clementine North | 49 | Wife | — | Iowa |
| 54 | Richard North | 20 | Son | — | Iowa |
| 55 | Dorothy A North | 21 | Daughter | — | Iowa |
| 56 | Frank C North | 18 | Son | — | Iowa |
| 57 | Charles North | 16 | Son | — | Iowa |
| 58 | Edward North | 15 | Son | — | Iowa |
| 59 | Mary North | 12 | Daughter | — | Iowa |
| 60 | Delmer King | 53 | Head | Farmer | Iowa |
| 61 | Christine King | 44 | Wife | — | Illinois |
| 62 | Jessie King | 21 | Daughter | Teacher | Iowa |
| 63 | Clifford King | 20 | Son | Laborer | Iowa |
| 64 | Ruth King | 18 | Daughter | — | Iowa |
| 65 | Ralph King | 13 | Son | — | Iowa |
| 66 | Kathryn King | 11 | Daughter | — | Iowa |
| 67 | Mary Ann King | 8 | Daughter | — | Iowa |
| 68 | Harold H Deane | 41 | Head | Farmer | Iowa |
| 69 | Barbara Deane | 36 | Wife | — | Iowa |
| 70 | Raymond Deane | 15 | Son | — | Iowa |
| 71 | John Thompson | 76 | Head | Laborer | Norway |
| 72 | Marie Thompson THIS PERSON | 42 | Wife | — | Iowa |
| 73 | John Jr Thompson | 14 | Son | — | Iowa |
| 74 | Elaine Thompson | 12 | Daughter | — | Iowa |
| 75 | Alice Marie Thompson | 9 | Daughter | — | Iowa |
| 76 | Delmer Thompson | 7 | Son | — | Iowa |
| 77 | Robert Thompson | 2 | Son | — | Iowa |
| 78 | Harold L Hooker | 42 | Head | Farmer | Iowa |
| 79 | Rachel O Hooker | 49 | Wife | — | Iowa |
| 80 | Harold Hooker | 20 | Son | — | 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)