FP
Florence Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Minnehaha-County, South Dakota
Our Model Tree links this Florence Peterson across the 1920, 1930 and 1940 US Censuses in Minnehaha-County, South Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 7-person household.
Age 46
b. ~1894
Female
Spouse
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Minnehaha-County, South Dakota |
| Surname | Peterson |
| Given Name | Florence S |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Sioux Falls |
| 1935 Residence (County) | Minnehaha |
| Additional Details | |
| Occupation | Housework |
| Industry | Own Home |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Housework |
| Township / Ward | Sioux Falls |
| Est. Birth Year | ~1894 |
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 Florence | Age | Birth yr |
|---|---|---|---|---|
| Audrey Peterson | Daughter | — | 13 | ~1927 |
| Martin Peterson | Son | — | 5 | ~1935 |
| Ole Jensen | Other | — | 69 | ~1871 |
| Arthur Peterson | Head | — | 47 | ~1893 |
| Rosemarie Peterson | Daughter | — | 18 | ~1922 |
| Florence Peterson | Spouse | — | 46 | ~1894 |
| William Mac Arthur | Other | — | 71 | ~1869 |
Census Appearances
1920
Minnehaha, South …
Other, age 25
Minnehaha, South Dakota · implied b. ~1895 — 23 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Florence |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Minnehaha, South …
Spouse, age 35
Minnehaha, South Dakota · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 20 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Minnehaha-County, South …
Spouse, age 46
Minnehaha-County, South Dakota · implied b. ~1894 — 7 household members
| Surname | Peterson |
| Given Name | Florence S |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Sioux Falls |
| 1935 Residence (County) | Minnehaha |
| Occupation | Housework |
| Industry | Own Home |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 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 Florence Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Florence Peterson
Spouse · 1940 · age 46 · b. ~1894 · South Dakota
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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-t0627-03864-00505)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty J Wilson | 13 | Daughter | — | South Dakota |
| 42 | Donna M Wilson | 11 | Daughter | — | South Dakota |
| 43 | Clara M Wakeling | 48 | Head | — | South Dakota |
| 44 | Doris L Wakeling | 27 | Daughter | Sales Clerk | South Dakota |
| 45 | Rhoda F Wakeling | 21 | Daughter | Stenographer | South Dakota |
| 46 | Jean A Wakeling | 17 | Daughter | — | South Dakota |
| 47 | Donna L Wakeling | 14 | Daughter | — | South Dakota |
| 48 | Leonard R Lien | 44 | Head | Service Station Attendant | South Dakota |
| 49 | Harriet C Lien | 40 | Wife | — | South Dakota |
| 50 | Anita G Lien | 8 | Daughter | — | South Dakota |
| 51 | Steve J Smykle | 38 | Head | Butcher | Nebraska |
| 52 | Frieda H Smykle | 36 | Wife | Book Keeping Mach. Operator | Germany |
| 53 | Arthur C Van Sickle | 27 | Head | Beef Boner | Iowa |
| 54 | Ida M Van Sickle | 32 | Wife | Book Keeper | South Dakota |
| 55 | Arthur W Peterson | 47 | Head | Brush Salesman | Minnesota |
| 56 | Florence S Peterson THIS PERSON | 46 | Wife | Housework | Wisconsin |
| 57 | Rosemarie S Peterson | 18 | Daughter | Stenographer | South Dakota |
| 58 | Audrey W Peterson | 13 | Daughter | — | South Dakota |
| 59 | Martin A Peterson | 5 | Son | — | South Dakota |
| 60 | Ole K Jensen | 69 | Lodger | — | Denmark |
| 61 | William Mac Arthur | 71 | Lodger | Farm Hand | Scotland |
| 62 | Clarence R Young | 34 | Head | Accountant | South Dakota |
| 63 | Lillian M Young | 34 | Wife | — | Iowa |
| 64 | Marlene M Young | 4 | Daughter | — | Iowa |
| 65 | Jens Rasmussen | 78 | Head | Labor | Denmark |
| 66 | Marie C Rasmussen | 77 | Wife | — | Denmark |
| 67 | Karen M Rasmussen | 37 | Daughter | Book Keeper | Denmark |
| 68 | Velva P Fredricks | 45 | Head | Housework | Wisconsin |
| 69 | Grace M Fredricks | 19 | Daughter | — | South Dakota |
| 70 | Harold E Fredricks | 18 | Son | Car Transporter | South Dakota |
| 71 | Jeanne M Fredricks | 16 | Daughter | — | South Dakota |
| 72 | Henry E Shelquist | 56 | Head | Watchman | Iowa |
| 73 | Nora A Shelquist | 46 | Wife | — | Nebraska |
| 74 | Virgil W Shelquist | 12 | Son | — | South Dakota |
| 75 | Robert T Shelquist | 4 | Son | — | South Dakota |
| 76 | Merle Mc Donnel | 36 | Head | Auto Mechanic | Iowa |
| 77 | Irene E Mc Donnel | 15 | Daughter | — | Minnesota |
| 78 | Wayne M Mc Donnel | 13 | Son | — | South Dakota |
| 79 | Kenneth L Mc Donnel | 9 | Son | — | South Dakota |
| 80 | Mary B Greenslate | 32 | Housekeeper | — | Iowa |
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)