HT
Harold Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dane-County, Wisconsin
Our Model Tree links this Harold Thompson across the 1920, 1930 and 1940 US Censuses in Dane-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Hans & Jens — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dane-County, Wisconsin |
| Surname | Thompson |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Oregon Village |
| 1935 Residence (County) | Dane |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 80 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farmer |
| Township / Ward | Oregon Village |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Mary Thompson | Daughter | — | 3 | ~1937 |
| Harold Thompson | Head | — | 28 | ~1912 |
| Patricia Thompson | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Dane, Wisconsin
Son, age 7
Dane, Wisconsin · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Dane, Wisconsin
Son, age 17
Dane, Wisconsin · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Harold F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Wisconsin |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Dane-County, Wisconsin
Head, age 28
Dane-County, Wisconsin · implied b. ~1912 — 3 household members
| Surname | Thompson |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Oregon Village |
| 1935 Residence (County) | Dane |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 80 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 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 Harold Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hans Thompson (~0.92 confidence) and father Jens Thompson (~0.92 confidence) and mother Maggie Thompson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hans Thompson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Jens Thompson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Maggie Thompson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Thompson
Head · 1940 · age 28 · b. ~1912 · 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 — Dane-County, Wisconsin
Open full size
1940 US Federal Census — Dane-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04471-00173)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Frost | 69 | Head | Farmer | Wisconsin |
| 42 | Alice Frost | 47 | Wife | — | Wisconsin |
| 43 | Virginia Kiser | 85 | Head | — | Virginia |
| 44 | James Cassidy | 39 | Head | Priest | Wisconsin |
| 45 | Emma Cassidy | 49 | Housekeeper | Housekeeper | Wisconsin |
| 46 | Hugh Hays | 34 | Head | Lawyer | Wisconsin |
| 47 | Kathleen Hays | 32 | Wife | — | Iowa |
| 48 | Michael Hays | 5 | Son | — | Wisconsin |
| 49 | John Hays | 3 | Son | — | Wisconsin |
| 50 | Peter Dvergsdal | 44 | Head | Trucking | Norway |
| 51 | Ada Dvergsdal | 44 | Wife | — | Wisconsin |
| 52 | Margaret Dvergsdal | 8 | Daughter | — | Wisconsin |
| 53 | Bernhard Dvergsdal | 37 | Brother | Trucking | Norway |
| 54 | Morton Colby | 81 | Head | — | Wisconsin |
| 55 | Hattie Colby | 78 | Wife | — | Wisconsin |
| 56 | Clarence Johnson | 48 | Head | Farmer | Wisconsin |
| 57 | Minnie Johnson | 46 | Wife | — | Wisconsin |
| 58 | Betty Johnson | 17 | Daughter | — | Wisconsin |
| 59 | Virginia Johnson | 15 | Daughter | — | Wisconsin |
| 60 | Carol Johnson | 8 | Daughter | — | Wisconsin |
| 61 | Herman Johnson | 75 | Head | — | Norway |
| 62 | Annie Johnson | 69 | Wife | — | Wisconsin |
| 63 | Matthew T. Edwards | 48 | Head | Electrician | Wisconsin |
| 64 | Mabel Edwards | 47 | Wife | — | Wisconsin |
| 65 | Mary Jane Edwards | 23 | Daughter | Salesman | Wisconsin |
| 66 | Dorothy Edwards | 18 | Daughter | — | Wisconsin |
| 67 | Lois Edwards | 16 | Daughter | — | Wisconsin |
| 68 | Judith Edwards | 4 | Daughter | — | Wisconsin |
| 69 | Arthur Scott | 24 | Head | Miller | Wisconsin |
| 70 | Margaret Scott | 20 | Wife | — | Wisconsin |
| 71 | Harold Thompson THIS PERSON | 28 | Head | Farmer | Wisconsin |
| 72 | Patricia Thompson | 28 | Wife | — | Iowa |
| 73 | Mary Jo Thompson | 3 | Daughter | — | Wisconsin |
| 74 | Iver Thompson | 60 | Head | Farmer | Denmark |
| 75 | Margaret Thompson | 55 | Wife | — | Wisconsin |
| 76 | Henry S. Austin | 65 | Head | Collector | Wisconsin |
| 77 | Clara Austin | 58 | Wife | — | Wisconsin |
| 78 | Harland Austin | 22 | Son | — | Wisconsin |
| 79 | William Byrne | 78 | Head | — | Wisconsin |
| 80 | Elizabeth Byrne | 68 | Wife | — | Canada |
Pedigree Summary
Harold
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)