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Harold Hansen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pennington-County, South Dakota
Our Model Tree links this Harold Hansen across the 1920, 1930 and 1940 US Censuses in Pennington-County, South Dakota (XGBoost, ~Confirmed), with identified parents Hans & Edith — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pennington-County, South Dakota |
| Surname | Hansen |
| Given Name | Harold E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Rapid City |
| 1935 Residence (County) | Pennington |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | W. Grocery Co. |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 900 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Truck Driver |
| Township / Ward | Rapid City |
| Est. Birth Year | ~1918 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Hans Hansen | Head | — | 53 | ~1887 |
| Harold Hansen | Son | — | 22 | ~1918 |
| Edith Hansen | Spouse | — | 47 | ~1893 |
| Gertrude Hansen | Daughter | — | 19 | ~1921 |
| Yvonne Hansen | Daughter | — | 12 | ~1928 |
Census Appearances
1920
Pennington, South …
Son, age 2
Pennington, South Dakota · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Harold C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Sweden |
| Mother Tongue | Swedish |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
Pennington, South …
Son, age 12
Pennington, South Dakota · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Harold C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Pennington-County, South …
Son, age 22
Pennington-County, South Dakota · implied b. ~1918 — 5 household members
| Surname | Hansen |
| Given Name | Harold E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Rapid City |
| 1935 Residence (County) | Pennington |
| Occupation | Truck Driver |
| Industry | W. Grocery Co. |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 900 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 Hansen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hans Hansen (~0.92 confidence) and mother Edith Hansen (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hans Hansen
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Edith Hansen
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Hansen
Son · 1940 · age 22 · b. ~1918 · South Dakota
★ You are viewing this record
Sibling
Gertrude Hansen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Yvonne Hansen
Sibling · 1940 · age 12
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 — Pennington-County, South Dakota
Open full size
1940 US Federal Census — Pennington-County, South Dakota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03865-00510)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gordon O. Steele | 25 | Head | Salesman | South Dakota |
| 2 | Marguerite Steele | 37 | Wife | — | Iowa |
| 3 | Corale Steele | 5 | Daughter | — | South Dakota |
| 4 | John L. Hudson | 34 | Head | Manager | Nebraska |
| 5 | Lavina O. Hudson | 37 | Wife | — | Iowa |
| 6 | Kathryn Hudson | 8 | Daughter | — | South Dakota |
| 7 | John Hudson | 6 | Son | — | South Dakota |
| 8 | George T. Holm | 56 | Head | Tax Agent | Minnesota |
| 9 | Signor O. Holm | 43 | Wife | — | Minnesota |
| 10 | Shirley Holm | 15 | Daughter | — | South Dakota |
| 11 | Gordon Holm | 14 | Son | — | South Dakota |
| 12 | Doris Jean Holm | 11 | Daughter | — | South Dakota |
| 13 | Leon P. Kent | 44 | Head | Commander | Iowa |
| 14 | Pauline O. Kent | 42 | Wife | — | Iowa |
| 15 | Mary A. Kent | 13 | Daughter | — | South Dakota |
| 16 | John H. Kent | 10 | Son | — | South Dakota |
| 17 | Carol Kent | 1 | Son | — | South Dakota |
| 18 | Hans C. Hansen | 53 | Head | Auto Mechanic | Denmark |
| 19 | Edith R. Hansen | 47 | Wife | — | Sweden |
| 20 | Harold E. Hansen THIS PERSON | 22 | Son | Truck Driver | South Dakota |
| 21 | Gertrude H. Hansen | 19 | Daughter | Telephone Oper. | South Dakota |
| 22 | Yvonne Hansen | 12 | Daughter | — | South Dakota |
| 23 | Alice M. Fredrickson | 66 | Head | — | Canada English |
| 24 | Florence Fredrickson | 37 | Daughter | Bookkeeper | South Dakota |
| 25 | Clem J. Bourguiny | 30 | Head | Watch Repair | South Dakota |
| 26 | Irene Bourguiny | 26 | Wife | Saleswoman | South Dakota |
| 27 | Gail M. Lewis | 48 | Head | Proprietor | Nebraska |
| 28 | Clara Lewis | 29 | Wife | — | South Dakota |
| 29 | William Schoenfelder | 55 | Head | Carpenter | South Dakota |
| 30 | Anna Schoenfelder | 50 | Wife | Saleswoman | South Dakota |
| 31 | Willard Schoenfelder | 20 | Son | Attendant | South Dakota |
| 32 | Frank O. Newbowers | 43 | Head | Proprietor | Iowa |
| 33 | Nan Newbowers | 39 | Wife | — | South Dakota |
| 34 | Bert Dallman | 50 | Head | Manager | South Dakota |
| 35 | Mary Lou Dallman | 30 | Wife | — | South Dakota |
| 36 | Clem J. Dallman | 22 | Son | Bookkeeper | Minnesota |
| 37 | Alex J. Dallman | 3 | Son | — | South Dakota |
| 38 | Michael Bert Dallman | 1 | Son | — | South Dakota |
| 39 | Florence Dalrymple | 18 | Servant | Maid | South Dakota |
Related Census Records
Pedigree Summary
Harold + 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)