FN
Florence Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Minnehaha-County, South Dakota
Our Model Tree links this Florence Nelson across the 1930 and 1940 US Censuses in Minnehaha-County, South Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 11-person household.
Age 26
b. ~1914
Female
Daughter
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Minnehaha-County, South Dakota |
| Surname | Nelson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Minnehaha |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | C-1 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Dell Rapids Twp |
| Est. Birth Year | ~1914 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| Florence Nelson | Daughter | — | 26 | ~1914 |
| Evelyn Nelson | Daughter | — | 32 | ~1908 |
| Vellborg Nelson | Daughter | — | 21 | ~1919 |
| Waldemar Nelson | Head | — | 63 | ~1877 |
| Donald Nelson | Son | — | 13 | ~1927 |
| Wilford Nelson | Son | — | 29 | ~1911 |
| Clare Nelson | Son | — | 17 | ~1923 |
| Grace Nelson | Son | — | 15 | ~1925 |
| Arnold Nelson | Son | — | 19 | ~1921 |
| Vernon Nelson | Son | — | 11 | ~1929 |
| Helga Nelson | Spouse | — | 55 | ~1885 |
Census Appearances
1930
Minnehaha, South …
Daughter, age 16
Minnehaha, South Dakota · implied b. ~1914 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Florence L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Minnehaha-County, South …
Daughter, age 26
Minnehaha-County, South Dakota · implied b. ~1914 — 11 household members
| Surname | Nelson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Minnehaha |
| Class of Worker | 0 |
| Highest Grade | C-1 |
| 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 Florence Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Florence Nelson
Daughter · 1940 · age 26 · b. ~1914 · South Dakota
★ You are viewing this record
Sibling
Evelyn Nelson
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Nelson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernon Nelson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Nelson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clare Nelson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arnold Nelson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vellborg Nelson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilford Nelson
Sibling · 1940 · age 29
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 — 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-t0627-03863-00160)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas P Donohue | 47 | Head | Labor | Iowa |
| 2 | Marge Donohue | 50 | Wife | — | Wisconsin |
| 3 | Mary Ab Donohue | 19 | Daughter | — | South Dakota |
| 4 | Fabian Ab Donohue | 18 | Son | — | South Dakota |
| 5 | Geneveva Donohue | 16 | Daughter | — | South Dakota |
| 6 | Francis Donohue | 14 | Son | — | South Dakota |
| 7 | Paul Donohue | 13 | Son | — | South Dakota |
| 8 | Melvin R Floren | 48 | Head | Labor | South Dakota |
| 9 | Gertrude Floren | 36 | Wife | — | South Dakota |
| 10 | Melvin O Lyngaas | 58 | Head | Labor | Norway |
| 11 | Gusta Lyngaas | 56 | Wife | — | Norway |
| 12 | Nora Lyngaas | 30 | Daughter | — | South Dakota |
| 13 | August Lyngaas | 61 | Brother | Labor | Norway |
| 14 | Roy P Thompson | 38 | Head | Labor | South Dakota |
| 15 | Alvin Thompson | 35 | Brother | Labor | South Dakota |
| 16 | Inize Thompson | 42 | Sister | — | South Dakota |
| 17 | Phill R Heins | 44 | Head | Labor | South Dakota |
| 18 | Gladys Heins | 42 | Wife | — | South Dakota |
| 19 | Estel Heins | 20 | Son | Labor | South Dakota |
| 20 | Donald Heins | 17 | Son | — | Iowa |
| 21 | Evelyn Heins | 15 | Daughter | — | Iowa |
| 22 | Ruth Heins | 13 | Daughter | — | Iowa |
| 23 | Sorne O Larson | 56 | Head | Labor | Denmark |
| 24 | Emory J Nelson | 31 | Head | Labor | South Dakota |
| 25 | Gudrun Nelson | 31 | Wife | — | Norway |
| 26 | Richard Nelson | 5 | Son | — | South Dakota |
| 27 | Hellene Nelson | 3 | Daughter | — | South Dakota |
| 28 | Douglas Nelson | 0 | Son | — | South Dakota |
| 29 | Waldemar R Nelson | 63 | Head | Labor | South Dakota |
| 30 | Helga Nelson | 55 | Wife | — | Norway |
| 31 | Evelyn Nelson | 32 | Daughter | Teacher | South Dakota |
| 32 | Wilford Nelson | 29 | Son | Labor | South Dakota |
| 33 | Florence Nelson THIS PERSON | 26 | Daughter | — | South Dakota |
| 34 | Vellborg Nelson | 21 | Daughter | — | South Dakota |
| 35 | Arnold Nelson | 19 | Son | Labor | South Dakota |
| 36 | Clare Nelson | 17 | Son | — | South Dakota |
| 37 | Grace Nelson | 15 | Son | — | South Dakota |
| 38 | Donald Nelson | 13 | Son | — | South Dakota |
| 39 | Vernon Nelson | 11 | Son | — | South Dakota |
| 40 | Theador Y Berg | 30 | Head | Labor | South Dakota |
Related Census Records
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)