RP
Robert Perkins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Minnehaha-County, South Dakota
Our Model Tree links this Robert Perkins across the 1920, 1930 and 1940 US Censuses in Minnehaha-County, South Dakota (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 3-person household.
Age 56
b. ~1884
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Minnehaha-County, South Dakota |
| Surname | Perkins |
| Given Name | Robert A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Sioux Falls City |
| 1935 Residence (County) | Minnehaha |
| Additional Details | |
| Occupation | Partner Architect |
| Industry | Architectural Firm |
| Class of Worker | E |
| Hours Worked | 70 |
| Income (1939) | 5000 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Partner Architect |
| Township / Ward | Sioux Falls City |
| Est. Birth Year | ~1884 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Perkins | Son | — | 20 | ~1920 |
| Marion Perkins | Spouse | — | 53 | ~1887 |
| Robert Perkins | Head | — | 56 | ~1884 |
Census Appearances
1920
Minnehaha, South …
Head, age 38
Minnehaha, South Dakota · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perkins |
| Given Name | Robert A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Occupation | Architect |
| Industry | Own |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Minnehaha, South …
Head, age 47
Minnehaha, South Dakota · implied b. ~1883 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perkins |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 29 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Massachusetts |
| Occupation | Architect |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 18,000 |
| Radio Set | R |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Minnehaha-County, South …
Head, age 56
Minnehaha-County, South Dakota · implied b. ~1884 — 3 household members
| Surname | Perkins |
| Given Name | Robert A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Sioux Falls City |
| 1935 Residence (County) | Minnehaha |
| Occupation | Partner Architect |
| Industry | Architectural Firm |
| Class of Worker | E |
| Hours Worked | 70 |
| Income (1939) | 5000 |
| Highest Grade | C 5 |
| 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 Robert Perkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Perkins
Head · 1940 · age 56 · b. ~1884 · South Dakota
★ 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 — Minnehaha-County, South Dakota
Open full size
1940 US Federal Census — Minnehaha-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03863-00756)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy Davis | 31 | Wife | — | South Dakota |
| 2 | William Mcphary | 39 | Head | Manager | Iowa |
| 3 | Laura Mcphary | 25 | Wife | — | South Dakota |
| 4 | Clara La Follette | 68 | Mother-in-law | — | Kansas |
| 5 | Wendell C Fritzel | 29 | Head | Architect | South Dakota |
| 6 | Virginia B Fritzel | 25 | Wife | — | Illinois |
| 7 | Charles H Fritzel | 0 | Son | — | South Dakota |
| 8 | Norman Christopherson | 41 | Head | Accountant | South Dakota |
| 9 | Verna Christopherson | 37 | Wife | — | South Dakota |
| 10 | Donna Lou Christopherson | 14 | Daughter | — | South Dakota |
| 11 | Richard Lee Christopherson | 11 | Son | — | South Dakota |
| 12 | Charles (Ab) Rysdon | 58 | Head | Retired | Tennessee |
| 13 | Ellen Rysdon | 59 | Wife | — | Illinois |
| 14 | George Anderson | 44 | Lodger | Laborer | Texas |
| 15 | Wife Anderson | 34 | Wife | Cook | Georgia |
| 16 | Jean Dennis | 41 | Head | Road Contractor | Iowa |
| 17 | Hazel R Dennis | 50 | Wife | — | Nebraska |
| 18 | James Lee | 29 | Servant | Caretaker | Arizona |
| 19 | Gladys Haeremstein | 48 | Head | — | Minnesota |
| 20 | Carl Frederick Haeremstein | 23 | Son | Clerk | South Dakota |
| 21 | George R Haeremstein | 21 | Son | — | South Dakota |
| 22 | George A Hult | 48 | Head | General Superintendent | Minnesota |
| 23 | Blanche D Hult | 46 | Wife | Partner Owner & Manager | South Dakota |
| 24 | Margaret D Hult | 16 | Daughter | — | South Dakota |
| 25 | Samuel A Keller | 36 | Head | Medical Doctor | Nebraska |
| 26 | Adelaide Keller | 46 | Wife | — | Wisconsin |
| 27 | Edward Keller | 16 | Son | — | South Dakota |
| 28 | Samuel Keller | 10 | Son | Newsboy | South Dakota |
| 29 | Elizabeth Keller | 3 | Daughter | — | South Dakota |
| 30 | Roy D Burns | 43 | Head | Partner Lawyer | Iowa |
| 31 | Larine B Burns | 43 | Wife | — | Iowa |
| 32 | Robin Burns | 9 | Daughter | — | South Dakota |
| 33 | Charles A Wagner | 53 | Head | President Of Corporation | Iowa |
| 34 | Carrie Wagner | 51 | Wife | — | South Dakota |
| 35 | Mary Lou Wagner | 17 | Daughter | — | South Dakota |
| 36 | Charles W Wagner | 25 | Son | Vice President Corporation Co | South Dakota |
| 37 | Mildred Dresch | 25 | Maid | Maid | South Dakota |
| 38 | Robert A Perkins THIS PERSON | 56 | Head | Partner Architect | Wisconsin |
| 39 | Marion D Perkins | 53 | Wife | — | South Dakota |
| 40 | Robert A Jr Perkins | 20 | Son | Miner | South Dakota |
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)