HT
Harold Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dunn-County, Wisconsin
Our Model Tree links this Harold Thompson across the 1920, 1930 and 1940 US Censuses in Dunn-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Nels & Alma — first a son (b.~1906), then head of a 6-person household.
Age 34
b. ~1906
Male
Son
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dunn-County, Wisconsin |
| Surname | Thompson |
| Given Name | Harold B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Menomonie City |
| 1935 Residence (County) | Dunn |
| Additional Details | |
| Occupation | Interior Decorator |
| Industry | Building |
| Class of Worker | E |
| Hours Worked | 18 |
| Income (1939) | 540 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Interior Decorator |
| Township / Ward | Menomonie City |
| Est. Birth Year | ~1906 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Shirley Thompson | Daughter | — | ~1940 | |
| Nels Thompson | Head | — | 72 | ~1868 |
| Shirley Thompson | Other | — | 32 | ~1908 |
| Margaret Werner | Other | — | 21 | ~1919 |
| Harold Thompson | Son | — | 34 | ~1906 |
| Alma Thompson | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Dunn, Wisconsin
Son, age 14
Dunn, Wisconsin · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Dunn, Wisconsin
Son, age 24
Dunn, Wisconsin · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Harold B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Wisconsin |
| Occupation | Decorator |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Dunn-County, Wisconsin
Son, age 34
Dunn-County, Wisconsin · implied b. ~1906 — 6 household members
| Surname | Thompson |
| Given Name | Harold B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Menomonie City |
| 1935 Residence (County) | Dunn |
| Occupation | Interior Decorator |
| Industry | Building |
| Class of Worker | E |
| Hours Worked | 18 |
| Income (1939) | 540 |
| Highest Grade | H 4 |
| 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 Nels Thompson (~0.92 confidence) and mother Alma Thompson (~0.92 confidence) and mother Alma Thompson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Thompson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Alma Thompson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Alma Thompson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Thompson
Son · 1940 · age 34 · b. ~1906 · Wisconsin
★ You are viewing this record
Sibling
Shirley Thompson
Sibling · 1940 · age
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 — Dunn-County, Wisconsin
Open full size
1940 US Federal Census — Dunn-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04476-00410)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gordon E. Stein | 10 | Son | — | Wisconsin |
| 42 | Olaf Mortz | 50 | Head | Secretary | Wisconsin |
| 43 | Harold Shouge | 39 | Head | Sub-Carrier | Wisconsin |
| 44 | Myrne N. Shouge | 35 | Wife | Clerk | Wisconsin |
| 45 | Morris L. Strand | 40 | Head | Draftsman | Wisconsin |
| 46 | Morris L. Strand | 12 | Son | — | Wisconsin |
| 47 | Marcia Strand | 7 | Daughter | — | Wisconsin |
| 48 | Soren Sommervold | 57 | Head | Carpenter | Norway |
| 49 | Ole G. Svend | 77 | Head | — | Norway |
| 50 | Christian H. Foss | 59 | Householder | Housekeeper | Norway |
| 51 | Lillian G. Foss | 22 | Daughter | Stenographer | Minnesota |
| 52 | Bennett L. Gundt | 33 | Head | Co-Manager | Wisconsin |
| 53 | Hazel B. Gundt | 30 | Wife | — | Wisconsin |
| 54 | Patricia J. Gundt | 7 | Daughter | — | Wisconsin |
| 55 | Carol Ann Gundt | 5 | Daughter | — | Wisconsin |
| 56 | Anthony L. Gundt | 1 | Son | — | Wisconsin |
| 57 | Marie Pacott | 70 | Lodger | Stenographer | Minnesota |
| 58 | Edgar C. Grutt | 38 | Head | Salesman | Wisconsin |
| 59 | Ellen Grutt | 38 | Wife | — | Wisconsin |
| 60 | Mildred I. Grutt | 16 | Daughter | — | Wisconsin |
| 61 | Donald C. Grutt | 10 | Son | — | Wisconsin |
| 62 | Richard A. Grutt | 7 | Son | — | Wisconsin |
| 63 | James E. Grutt | 5 | Son | — | Wisconsin |
| 64 | Nels C. Thompson | 72 | Head | — | Norway |
| 65 | Alma I. Thompson | 62 | Wife | — | Wisconsin |
| 66 | Harold B. Thompson THIS PERSON | 34 | Son | Interior Decorator | Wisconsin |
| 67 | Shirley Ann Thompson | 32 | Daughter-in-law | Saleslady | Wisconsin |
| 68 | Shirley Ann Thompson | 0 | Daughter | — | Wisconsin |
| 69 | Margaret A. Werner | 21 | Maid | Maid | Wisconsin |
| 70 | Anton J. Vigard | 55 | Head | Janitor | Wisconsin |
| 71 | Lena Vigard | 50 | Wife | — | Wisconsin |
| 72 | Ruth K. Vigard | 24 | Daughter | Teacher | Wisconsin |
| 73 | Julia I. Vigard | 21 | Daughter | Teacher | Wisconsin |
| 74 | Peggy J. Vigard | 19 | Daughter | — | Wisconsin |
| 75 | Audrey L. Vigard | 13 | Daughter | — | Wisconsin |
| 76 | Jessie A. Lemke | 16 | Maid | Maid | Wisconsin |
| 77 | Edith Olson | 49 | Head | — | Wisconsin |
| 78 | Clarence H. Olson | 24 | Son | Cook | Canada |
| 79 | Wilfred F. Olson | 20 | Son | — | Wisconsin |
| 80 | Lois A. Olson | 16 | Daughter | — | Wisconsin |
Pedigree Summary
Harold + 1 sibling
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)