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Theodore Thompson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Shelby, Iowa
Our Model Tree links this Theodore Thompson across the 1910, 1920 and 1930 US Censuses in Shelby, Iowa (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 6-person household.
Age 43
b. ~1887
Male
Head
Born: Iowa
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Shelby, Iowa |
| Surname | Thompson |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 36 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Jefferson Township |
| Est. Birth Year | ~1887 |
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 1930 census.
| Name | Relation to head | Relative to Theodore | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Thompson | Son | — | 5 | ~1925 |
| Fern Thompson | Spouse | — | 30 | ~1900 |
| Bonnie Thompson | Daughter | — | 1 | ~1929 |
| Theodore Thompson | Head | — | 43 | ~1887 |
| Henry Thompson | Other | — | 42 | ~1888 |
| Marilyn Thompson | Daughter | — | 4 | ~1926 |
Census Appearances
1910
Shelby, Iowa
Head, age 24
Shelby, Iowa · implied b. ~1886 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Theodor |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Shelby, Iowa
Head, age 33
Shelby, Iowa · implied b. ~1887 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Theo. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farm work |
| Industry | at home |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Shelby, Iowa
Head, age 43
Shelby, Iowa · implied b. ~1887 — 6 household members
| Surname | Thompson |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 36 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| 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 Theodore Thompson across 3 US Census years (1910, 1920 and 1930) in Shelby, Iowa, using XGBoost record linkage.
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This person
Anchor record
Theodore Thompson
Head · 1930 · age 43 · b. ~1887 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Shelby, Iowa
Open full size
1930 US Federal Census — Shelby, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel682:0737)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jamie J Anderson | 35 | Head | Farmer | Iowa |
| 2 | Ana Anderson | 34 | Wife | — | Illinois |
| 3 | Alvina Anderson | 16 | Daughter | — | Iowa |
| 4 | La Verne Anderson | 15 | Son | — | Iowa |
| 5 | Magni Anderson | 14 | Daughter | — | Iowa |
| 6 | Warren Armentrout | 36 | Head | Farmer | Iowa |
| 7 | Nellie Armentrout | 40 | Wife | — | Iowa |
| 8 | Russell Armentrout | 12 | Son | — | Iowa |
| 9 | James W Mackler | 71 | Father in law | — | Iowa |
| 10 | Theodore Thompson THIS PERSON | 43 | Head | Farmer | Iowa |
| 11 | Fern Thompson | 30 | Wife | — | Iowa |
| 12 | Kenneth Thompson | 5 | Son | — | Iowa |
| 13 | Marilyn Thompson | 4 | Daughter | — | Iowa |
| 14 | Bonnie Thompson | 1 | Daughter | — | Iowa |
| 15 | Henry Thompson | 42 | Brother | Farmer | Iowa |
| 16 | William Buthman | 44 | Head | Farmer | Iowa |
| 17 | Merle Buthman | 40 | Wife | — | Iowa |
| 18 | Guy Buthman | 21 | Son | Farm Laborer | Iowa |
| 19 | Eva Buthman | 19 | Daughter | — | Iowa |
| 20 | Basil Buthman | 17 | Son | Farm Laborer | Iowa |
| 21 | Donald Buthman | 7 | Son | — | Iowa |
| 22 | Bernard Edwards | 29 | Head | Farmer | Nebraska |
| 23 | Juanita Edwards | 29 | Wife | — | Iowa |
| 24 | Orris Edwards | 9 | Son | — | Iowa |
| 25 | Duane Edwards | 4 | Son | — | Iowa |
| 26 | Pat Edwards | 1 | Son | — | Iowa |
| 27 | Ilnar Munson | 42 | Head | Farm Laborer | Iowa |
| 28 | Grace Munson | 37 | Wife | — | Iowa |
| 29 | Ronald Munson | 17 | Son | — | Iowa |
| 30 | Lois Munson | 15 | Daughter | — | Iowa |
| 31 | Helmuth Wenzel | 41 | Head | Farmer | Iowa |
| 32 | Fryda Wenzel | 42 | Wife | — | Iowa |
| 33 | Philip Wenzel | 8 | Son | — | Iowa |
| 34 | Ruth Schultz | 17 | Niece | — | Iowa |
| 35 | Warren Bainbridge | 35 | Head | Farmer | Iowa |
| 36 | Kathryn Bainbridge | 31 | Wife | — | Iowa |
| 37 | Robert Bainbridge | 9 | Son | — | Minnesota |
| 38 | Juanita Bainbridge | 7 | Daughter | — | Missouri |
| 39 | Dona Bainbridge | 5 | Daughter | — | Missouri |
| 40 | Donald Bainbridge | 3 | Son | — | Iowa |
| 41 | Kenneth Bainbridge | 1 | Son | — | Iowa |
| 42 | Melvin Constable | 57 | Head | Farmer | Iowa |
| 43 | Ida H Constable | 57 | Wife | — | Illinois |
| 44 | Wendell Constable | 19 | Son | Farm Laborer | Iowa |
| 45 | Gladys Constable | 17 | Daughter | — | Iowa |
| 46 | Virginia Constable | 14 | Daughter | — | Iowa |
| 47 | Fern Munson | 20 | Boarder | Teacher | Iowa |
| 48 | — | None | — | — | — |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)