JT
John Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bayfield-County, Wisconsin
Our Model Tree links this John Thompson across the 1910, 1920, 1930 and 1940 US Censuses in Bayfield-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Arthur & Andrew — first a head (b.~1902), then head of a 7-person household.
Age 38
b. ~1902
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bayfield-County, Wisconsin |
| Surname | Thompson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Town of Bayfield |
| 1935 Residence (County) | Bayfield |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm owner |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 400 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farmer |
| Township / Ward | Town Of Bayfield |
| Est. Birth Year | ~1902 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Thompson | Daughter | — | 11 | ~1929 |
| Joan Thompson | Daughter | — | 9 | ~1931 |
| Margaret Thompson | Daughter | — | 6 | ~1934 |
| John Thompson | Head | — | 38 | ~1902 |
| Harold Munson | Other | — | 32 | ~1908 |
| Nels Munson | Other | — | 78 | ~1862 |
| Mary Thompson | Spouse | — | 32 | ~1908 |
Census Appearances
1910
Bayfield, Wisconsin
Son, age 8
Bayfield, Wisconsin · implied b. ~1902 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Bayfield, Wisconsin
Son, age 17
Bayfield, Wisconsin · implied b. ~1903 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farm laborer |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Bayfield, Wisconsin
Son, age 28
Bayfield, Wisconsin · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 25 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farm Laborer |
| Industry | Farming |
| Class of Worker | VVVV W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Bayfield-County, Wisconsin
Head, age 38
Bayfield-County, Wisconsin · implied b. ~1902 — 7 household members
| Surname | Thompson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Town of Bayfield |
| 1935 Residence (County) | Bayfield |
| Occupation | Farmer |
| Industry | Farm owner |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 400 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 John Thompson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Thompson (~0.92 confidence) and father Andrew Thompson (~0.92 confidence) and mother Julia Thompson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Thompson
b. ~1863
Source father
● Household
· direct · ~0.92
Father
Andrew Thompson
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Julia Thompson
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Thompson
Head · 1940 · age 38 · b. ~1902 · 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 — Bayfield-County, Wisconsin
Open full size
1940 US Federal Census — Bayfield-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04458-00076)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anton J. Cullberg | 58 | Head | Laborer | Pennsylvania |
| 42 | Lucille Cullberg | 42 | Wife | — | Wisconsin |
| 43 | Donald Cullberg | 15 | Son | — | Wisconsin |
| 44 | Robert Cullberg | 13 | Son | — | Wisconsin |
| 45 | Clarice Cullberg | 9 | Daughter | — | Wisconsin |
| 46 | E. G. Wells | 58 | Head | Farmer | Ohio |
| 47 | Edna Wells | 57 | Wife | — | Minnesota |
| 48 | John P. Fleming | 72 | Head | Farmer | Norway |
| 49 | Leo D. Fleming | 26 | Son | Laborer | Wisconsin |
| 50 | Lena A. Fleming | 36 | Daughter | — | Wisconsin |
| 51 | Leonard B. Moe | 7 | Hired man | — | Wisconsin |
| 52 | Walter Bunningham | 32 | Head | Farmer | Utah |
| 53 | Charlotte Bunningham | 24 | Wife | — | Minnesota |
| 54 | Nancy Lou Bunningham | 7 | Daughter | — | Wisconsin |
| 55 | Gerald Bunningham | 5 | Son | — | Wisconsin |
| 56 | Hazel Bunningham | 4 | Son | — | Wisconsin |
| 57 | Leona Bunningham | 47 | Head | — | Utah |
| 58 | Albert Milligan | 75 | Head | Farmer | Wisconsin |
| 59 | Alma Milligan | 58 | Wife | — | Wisconsin |
| 60 | Roger Milligan | 17 | Son | Laborer | Wisconsin |
| 61 | Kenneth Milligan | 13 | Son | — | Wisconsin |
| 62 | Albert Milligan | 5 | Son | — | Wisconsin |
| 63 | Herbert I. Palmer | 70 | Head | Farmer | Nebraska |
| 64 | Irma Palmer | 61 | Wife | — | Indiana |
| 65 | Fred Hotchkiss | 52 | Head | Laborer | Wisconsin |
| 66 | Matilda Hotchkiss | 45 | Wife | — | Wisconsin |
| 67 | Anton Wickledal | 53 | Head | Farmer | Austria |
| 68 | Elizabeth Wickledal | 45 | Wife | Supervisor | Norway |
| 69 | Karl Wickledal | 14 | Son | — | Wisconsin |
| 70 | John Thompson THIS PERSON | 38 | Head | Farmer | Minnesota |
| 71 | Mary Thompson | 32 | Wife | Laborer | Wisconsin |
| 72 | Dorothy Thompson | 11 | Daughter | — | Wisconsin |
| 73 | Joan Thompson | 9 | Daughter | — | Wisconsin |
| 74 | Margaret Thompson | 6 | Daughter | — | Wisconsin |
| 75 | Nels Munson | 78 | Father-in-law | — | Denmark |
| 76 | Harold Munson | 32 | Brother-in-law | Laborer | Wisconsin |
| 77 | William Weber | 44 | Head | Farmer | Wisconsin |
| 78 | Ida Weber | 36 | Wife | — | Wisconsin |
| 79 | Robert Weber | 17 | Son | Laborer | Wisconsin |
| 80 | William Jr. Weber | 13 | Son | — | Wisconsin |
Related Census Records
Pedigree Summary
John
Gen 1 · 3 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)