KT
Kenneth Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cerro-Gordo-County, Iowa
Our Model Tree links this Kenneth Thompson across the 1930 and 1940 US Censuses in Cerro-Gordo-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 11-person household.
Age 11
b. ~1929
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cerro-Gordo-County, Iowa |
| Surname | Thompson |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Cerro Gordo |
| Additional Details | |
| Highest Grade | G 3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Mason City |
| Est. Birth Year | ~1929 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Kenneth | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Thompson | Son | — | 11 | ~1929 |
| Clara Thompson | Daughter | — | 4 | ~1936 |
| Virginia Thompson | Daughter | — | 6 | ~1934 |
| George Thompson | Son | — | 9 | ~1931 |
| Lester Thompson | Son | — | 22 | ~1918 |
| Rose Thompson | Spouse | — | 45 | ~1895 |
| Edith Thompson | Daughter | — | 13 | ~1927 |
| Arthur Thompson | Son | — | 12 | ~1928 |
| Loren Thompson | Son | — | 1 | ~1939 |
| Jacob Thompson | Head | — | 59 | ~1881 |
| Barbara Thompson | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Cerro Gordo, …
Son, age 1
Cerro Gordo, Iowa · implied b. ~1929 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Cerro-Gordo-County, Iowa
Son, age 11
Cerro-Gordo-County, Iowa · implied b. ~1929 — 11 household members
| Surname | Thompson |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Cerro Gordo |
| Highest Grade | G 3 |
| 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 Kenneth Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Kenneth Thompson
Son · 1940 · age 11 · b. ~1929 · Iowa
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Sibling
George Thompson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Thompson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Thompson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Thompson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Thompson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Thompson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loren Thompson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Thompson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cerro-Gordo-County, Iowa
Open full size
1940 US Federal Census — Cerro-Gordo-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01146-01115)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty Lou Thompson | 10 | Daughter | — | Oklahoma |
| 42 | Jacob Thompson | 59 | Head | Section Foreman | Germany |
| 43 | Rose Thompson | 45 | Wife | — | Germany |
| 44 | Lester Thompson | 22 | Son | — | Wisconsin |
| 45 | Barbara Thompson | 15 | Daughter | Electrical Wiring | Iowa |
| 46 | Edith Thompson | 13 | Daughter | — | Iowa |
| 47 | Arthur Thompson | 12 | Son | — | Iowa |
| 48 | Kenneth Thompson THIS PERSON | 11 | Son | — | Iowa |
| 49 | George Thompson | 9 | Son | — | Iowa |
| 50 | Virginia Thompson | 6 | Daughter | — | Iowa |
| 51 | Clara Thompson | 4 | Daughter | — | Iowa |
| 52 | Loren Thompson | 1 | Son | — | Iowa |
| 53 | Gerald Steppleton | 29 | Head | Truck Driver | Kansas |
| 54 | Anna Steppleton | 26 | Wife | — | Iowa |
| 55 | Marion Steppleton | 7 | Daughter | — | Iowa |
| 56 | Virginia Steppleton | 6 | Daughter | — | Iowa |
| 57 | Patricia Steppleton | 1 | Daughter | — | Iowa |
| 58 | Omar Varvel | 35 | Head | Laborer | Illinois |
| 59 | Marie Varvel | 29 | Wife | — | Iowa |
| 60 | Roland Varvel | 9 | Son | — | Indiana |
| 61 | Velma Varvel | 8 | Daughter | — | Indiana |
| 62 | Harold Varvel | 5 | Son | — | Iowa |
| 63 | Henry M. Stepleton | 57 | Head | Janitor | Missouri |
| 64 | Mary Alice Stepleton | 64 | Wife | — | Missouri |
| 65 | Henry Jr. Stepleton | 22 | Son | Dirt Hauler | Iowa |
| 66 | James Younker | 31 | Head | Truck Driver | Iowa |
| 67 | Ardella Younker | 28 | Wife | — | Iowa |
| 68 | Ruby Jean Younker | 5 | Daughter | — | Iowa |
| 69 | Leland Harris | 25 | Boarder | Shipping Clerk | Iowa |
| 70 | Frank Sanford | 53 | Head | Policeman | Iowa |
| 71 | Cora Sanford | 54 | Wife | — | Iowa |
| 72 | Donald Shields | 30 | Head | Mechanical Foreman | Iowa |
| 73 | Kathryn Shields | 27 | Wife | — | Iowa |
| 74 | Donna Kay Shields | 5 | Daughter | — | Iowa |
| 75 | Donald Jr. Shields | 2 | Son | — | Iowa |
| 76 | Fred L. Jackson | 25 | Head | Fireman | Iowa |
| 77 | Marguerite Jackson | 26 | Wife | — | Missouri |
| 78 | Billie Jackson | 6 | Daughter | — | Iowa |
| 79 | Jerry Lee Jackson | 4 | Son | — | Iowa |
| 80 | Fred Lester Jackson | 2 | Son | — | Iowa |
Related Census Records
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)