CT
Clarence Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Trempealeau-County, Wisconsin
Our Model Tree links this Clarence Thompson across the 1920, 1930 and 1940 US Censuses in Trempealeau-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Peter & Clara — first a son (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Trempealeau-County, Wisconsin |
| Surname | Thompson |
| Given Name | Clarence |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Town of Gale |
| 1935 Residence (County) | Trempealeau |
| Additional Details | |
| Occupation | farm laborer |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 80 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farm Laborer |
| Township / Ward | Town Of Gale |
| Est. Birth Year | ~1911 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Florence Thompson | Daughter | — | 15 | ~1925 |
| Peter Thompson | Head | — | 66 | ~1874 |
| Norman Thompson | Son | — | 24 | ~1916 |
| Clarence Thompson | Son | — | 29 | ~1911 |
| Clara Thompson | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Trempealeau, Wisconsin
Son, age 9
Trempealeau, Wisconsin · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Clarence L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Trempealeau, Wisconsin
Son, age 19
Trempealeau, Wisconsin · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Trempealeau-County, Wisconsin
Son, age 29
Trempealeau-County, Wisconsin · implied b. ~1911 — 5 household members
| Surname | Thompson |
| Given Name | Clarence |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Town of Gale |
| 1935 Residence (County) | Trempealeau |
| Occupation | farm laborer |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 80 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Clarence Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Thompson (~0.92 confidence) and mother Clara Thompson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Thompson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Clara Thompson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Thompson
Son · 1940 · age 29 · b. ~1911 · Wisconsin
★ You are viewing this record
Sibling
Norman Thompson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Thompson
Sibling · 1940 · age 15
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 — Trempealeau-County, Wisconsin
Open full size
1940 US Federal Census — Trempealeau-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04529-00348)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norman Hagen | 32 | son | Farmer | Wisconsin |
| 42 | Stella Hagen | 34 | daughter in law | — | Wisconsin |
| 43 | Lorraine Hagen | 10 | granddaughter | — | Wisconsin |
| 44 | Idonna Hagen | 6 | granddaughter | — | Wisconsin |
| 45 | Clarence Liebakken | 30 | head | Farmer | Wisconsin |
| 46 | Ruth Liebakken | 28 | wife | — | Wisconsin |
| 47 | Mercedes Liebakken | 8 | daughter | — | Wisconsin |
| 48 | Ramona Liebakken | 1 | daughter | — | Wisconsin |
| 49 | Laurity Liebakken | 23 | head | Farmer | Wisconsin |
| 50 | Lucille Liebakken | 22 | wife | — | Wisconsin |
| 51 | Bernard O Liebakken | 26 | head | Farmer | Wisconsin |
| 52 | Ardath Liebakken | 20 | wife | — | Wisconsin |
| 53 | Alice Liebakken | 2 | daughter | — | Wisconsin |
| 54 | Paul Jicka | 51 | head | Farmer | Wisconsin |
| 55 | Hazel Jicka | 52 | wife | — | Wisconsin |
| 56 | Floyd Jicka | 20 | son | Farm Laborer | Wisconsin |
| 57 | Minnie J Mason | 48 | head | — | Wisconsin |
| 58 | John Fourney | 51 | head | Farmer | Holland |
| 59 | Inga Fourney | 38 | wife | — | Wisconsin |
| 60 | Lois Fourney | 14 | daughter | — | Wisconsin |
| 61 | Virginia Fourney | 12 | daughter | — | Wisconsin |
| 62 | Helene Fourney | 7 | daughter | — | Wisconsin |
| 63 | Peter Thompson | 66 | head | Farmer | Wisconsin |
| 64 | Clara Thompson | 50 | wife | — | Wisconsin |
| 65 | Clarence Thompson THIS PERSON | 29 | son | Farm Laborer | Wisconsin |
| 66 | Norman Thompson | 24 | son | Farm Laborer | Wisconsin |
| 67 | Florence Thompson | 15 | daughter | — | Wisconsin |
| 68 | Albert Anderson | 49 | head | Farmer | Wisconsin |
| 69 | Laura Anderson | 43 | wife | — | Wisconsin |
| 70 | La Verne Anderson | 18 | son | Farm Laborer | Wisconsin |
| 71 | Marian Anderson | 16 | daughter | — | Wisconsin |
| 72 | Alex Iverson | 64 | head | Farmer | Wisconsin |
| 73 | Stella Iverson | 59 | wife | — | Wisconsin |
| 74 | Norval Iverson | 33 | son | Hauling Sand Truck Driver | Wisconsin |
| 75 | Charlotte Iverson | 27 | daughter | School Teacher | Wisconsin |
| 76 | Irma Iverson | 23 | son | Farm Laborer | Wisconsin |
| 77 | Robert West | 48 | head | Farmer | Wisconsin |
| 78 | Idella West | 35 | wife | — | Wisconsin |
| 79 | Gordon West | 15 | son | — | Wisconsin |
| 80 | Calvin West | 12 | son | — | Wisconsin |
Related Census Records
Pedigree Summary
Clarence + 2 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)