ET
Ernest Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Davis-County, Iowa
Our Model Tree links this Ernest Thompson across the 1920, 1930 and 1940 US Censuses in Davis-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 7-person household.
Age 45
b. ~1895
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Davis-County, Iowa |
| Surname | Thompson |
| Given Name | Ernest |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Soap Creek Township |
| 1935 Residence (County) | Davis County |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Soap Creek Township |
| Est. Birth Year | ~1895 |
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 Ernest | Age | Birth yr |
|---|---|---|---|---|
| Betty Thompson | Daughter | — | 18 | ~1922 |
| Rubert Thompson | Son | — | 17 | ~1923 |
| Lloyd Thompson | Son | — | 12 | ~1928 |
| Ernest Thompson | Son | — | 15 | ~1925 |
| Mary Thompson | Other | — | 75 | ~1865 |
| Ernest Thompson | Head | — | 45 | ~1895 |
| Gertie Thompson | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Davis, Iowa
Head, age 24
Davis, Iowa · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ernest |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Davis, Iowa
Head, age 35
Davis, Iowa · implied b. ~1895 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ernest B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 26 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Davis-County, Iowa
Head, age 45
Davis-County, Iowa · implied b. ~1895 — 7 household members
| Surname | Thompson |
| Given Name | Ernest |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Soap Creek Township |
| 1935 Residence (County) | Davis County |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| 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 Ernest Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ernest Thompson
Head · 1940 · age 45 · b. ~1895 · 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 — Davis-County, Iowa
Open full size
1940 US Federal Census — Davis-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01154-00281)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rachel Martz | 65 | Mother-in-law | — | Iowa |
| 42 | Myrtle Martz | 19 | Sister-in-law | — | Iowa |
| 43 | Alice M. Martz | 2 | Niece | — | Iowa |
| 44 | Lloyd Overturf | 40 | Head | Farmer | Iowa |
| 45 | Irene Overturf | 35 | Wife | — | Iowa |
| 46 | Thelma Overturf | 16 | Daughter | — | Iowa |
| 47 | Robert Overturf | 14 | Son | — | Iowa |
| 48 | Mildred Overturf | 10 | Daughter | — | Iowa |
| 49 | Alice M. Overturf | 7 | Daughter | — | Iowa |
| 50 | Janice Overturf | 1 | Daughter | — | Iowa |
| 51 | C. H. Allen | 66 | Head | Farmer | Iowa |
| 52 | Lydia Sample | 50 | House-keeper | House Keeper | Iowa |
| 53 | Beryl Sample | 22 | Head | Farm Laborer | Iowa |
| 54 | Arnold Sample | 16 | Brother | Farm Laborer | Iowa |
| 55 | Wray Bauchman | 37 | Head | Farmer | Iowa |
| 56 | Verna Bauchman | 31 | Wife | — | Iowa |
| 57 | Rosie Bauchman | 6 | Son | — | Iowa |
| 58 | Frank Koethe | 62 | Head | Farmer | Germany |
| 59 | Lillie Koethe | 60 | Wife | — | Iowa |
| 60 | Harold Koethe | 36 | Son | Farmer | Iowa |
| 61 | Robert Koethe | 24 | Head | Farmer | Iowa |
| 62 | Viola Koethe | 23 | Wife | — | Iowa |
| 63 | Alice S. Koethe | 0 | Daughter | — | Iowa |
| 64 | Ernest Thompson THIS PERSON | 45 | Head | Farmer | Iowa |
| 65 | Gertie Thompson | 46 | Wife | — | Iowa |
| 66 | Betty R. Thompson | 18 | Daughter | — | Iowa |
| 67 | Rubert B. Thompson | 17 | Son | — | Iowa |
| 68 | Ernest L. Thompson | 15 | Son | — | Iowa |
| 69 | Lloyd D. Thompson | 12 | Son | — | Iowa |
| 70 | Mary E. Thompson | 75 | Mother | — | Iowa |
| 71 | John C. George | 30 | Head | Farmer | Iowa |
| 72 | Edith George | 24 | Wife | — | Iowa |
| 73 | Melvin George | 0 | Son | — | Iowa |
| 74 | W. E. Ault | 73 | Head | Farmer | Iowa |
| 75 | Mollie F. Ault | 64 | Wife | — | Iowa |
| 76 | M. Howard Ingerson | 39 | Head | Farmer | Iowa |
| 77 | Harry C. Nesbit | 56 | Head | Farmer | Illinois |
| 78 | Gertie Nesbit | 56 | Wife | — | Tennessee |
| 79 | Keith Lamb | 25 | Head | Farmer | Iowa |
| 80 | Hazel Lamb | 25 | 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)