CJ
Clarence Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Trempealeau-County, Wisconsin
Our Model Tree links this Clarence Johnson across the 1920, 1930 and 1940 US Censuses in Trempealeau-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Arndt & Ida — first a head (b.~1903), then head of a 6-person household.
Age 37
b. ~1903
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Trempealeau-County, Wisconsin |
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Township of Rock Creek |
| 1935 Residence (County) | St. Croix |
| Additional Details | |
| Occupation | Operator |
| Industry | on farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Operator |
| Township / Ward | Township Of Rock Creek |
| Est. Birth Year | ~1903 |
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 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Marion Johnson | Daughter | — | 8 | ~1932 |
| Clarence Johnson | Head | — | 37 | ~1903 |
| Donald Johnson | Son | — | 6 | ~1934 |
| Clifford Johnson | Son | — | 12 | ~1928 |
| Gerald Johnson | Son | — | 2 | ~1938 |
| Minnie Johnson | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Trempealeau, Wisconsin
Son, age 16
Trempealeau, Wisconsin · implied b. ~1904 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Occupation | Farm laborer |
| Industry | At home |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Trempealeau, Wisconsin
Head, age 26
Trempealeau, Wisconsin · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 24 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Gen. Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | no |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Trempealeau-County, Wisconsin
Head, age 37
Trempealeau-County, Wisconsin · implied b. ~1903 — 6 household members
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Township of Rock Creek |
| 1935 Residence (County) | St. Croix |
| Occupation | Operator |
| Industry | on farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| 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 Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arndt Johnson (~0.92 confidence) and mother Ida Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arndt Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Ida Johnson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Johnson
Head · 1940 · age 37 · b. ~1903 · Wisconsin
★ You are viewing this record
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-t0627-04529-00210)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Johnson | 23 | Head | House Painter | Wisconsin |
| 2 | Hans Guerberg | 73 | Head | Operator | Norway |
| 3 | Annie Guerberg | 75 | Wife | — | Norway |
| 4 | Cornelius Blom | 50 | Head | Operator | Wisconsin |
| 5 | Helga Blom | 47 | Wife | Housekeeper | Wisconsin |
| 6 | Charley Knutson | 77 | Lodger | — | Norway |
| 7 | Bernice Blom | 49 | Head | Operator | Wisconsin |
| 8 | Florence Blom | 25 | Wife | Housekeeper | Wisconsin |
| 9 | Allen Blom | 7 | Son | — | Wisconsin |
| 10 | Kenneth Blom | 3 | Son | — | Wisconsin |
| 11 | Bertha Blom | 1 | Daughter | — | Wisconsin |
| 12 | Ole Lee | 57 | Head | Operator | Wisconsin |
| 13 | Ina Lee | 58 | Wife | Housekeeper | Norway |
| 14 | Sena Lee | 19 | Daughter | Help | Wisconsin |
| 15 | Even Everson | 57 | Head | Laborer | Wisconsin |
| 16 | Edwin Everson | 45 | Brother | Laborer | Wisconsin |
| 17 | Clarence Johnson THIS PERSON | 37 | Head | Operator | Wisconsin |
| 18 | Minnie Johnson | 27 | Wife | Housekeeper | Wisconsin |
| 19 | Clifford Johnson | 12 | Son | — | Wisconsin |
| 20 | Marion Johnson | 8 | Daughter | — | Wisconsin |
| 21 | Donald Johnson | 6 | Son | — | Wisconsin |
| 22 | Johnson | 3 | Son | — | Wisconsin |
| 23 | Gerald Johnson | 2 | Son | — | Wisconsin |
| 24 | Hakon Anderson | 78 | Head | Operator | Norway |
| 25 | Mathias Thorson | 55 | Head | Housekeeper | Sweden |
| 26 | Alfred Thorson | 31 | Son | Operator | Wisconsin |
| 27 | Harry Thorson | 24 | Son | Mill Work | Wisconsin |
| 28 | Agnes Thorson | 21 | Daughter | Housework | Wisconsin |
| 29 | Henry Anderson | 42 | Head | Operator | Wisconsin |
| 30 | Helma Anderson | 32 | Wife | Housekeeper | Wisconsin |
| 31 | Emery Anderson | 15 | Son | — | Wisconsin |
| 32 | Herman Anderson | 12 | Son | — | Wisconsin |
| 33 | Doris Anderson | 7 | Daughter | — | Wisconsin |
| 34 | Helen Sperry | 65 | Wife | Operator | Norway |
| 35 | Noble Olson | 39 | Daughter | Help | Wisconsin |
| 36 | Sperry | 34 | Son | Laborer | Wisconsin |
| 37 | Eveline Olson | 16 | Granddaughter | Help | Wisconsin |
| 38 | Doris Olson | 14 | Granddaughter | — | Wisconsin |
| 39 | Evelyn Olson | 13 | Granddaughter | — | Wisconsin |
| 40 | Peter Helm | 45 | Hired man | Laborer | Wisconsin |
Pedigree Summary
Clarence
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)