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Anna Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clark-County, South Dakota
Our Model Tree links this Anna Anderson across the 1920, 1930 and 1940 US Censuses in Clark-County, South Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 3-person household.
Age 57
b. ~1883
Female
Spouse
Born: Switzerland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, South Dakota |
| Surname | Anderson |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Switzerland |
| 1935 Residence (City) | Clark city |
| 1935 Residence (County) | Clark |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Switzerland |
| Birthplace (normalized) | switzerland |
| Township / Ward | Clark City |
| Est. Birth Year | ~1883 |
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 Anna | Age | Birth yr |
|---|---|---|---|---|
| Charles Anderson | Head | — | 64 | ~1876 |
| Robert Anderson | Son | — | 17 | ~1923 |
| Anna Anderson | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Clark, South …
Spouse, age 37
Clark, South Dakota · implied b. ~1883 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Switzerland |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Switzerland |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Switzerland |
| Birthplace (normalized) | switzerland |
1930
Clark, South …
Other, age 48
Clark, South Dakota · implied b. ~1882 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Anna |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Switzerland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1885 |
| Age at First Marriage | 19 |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Switzerland |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Switzerland |
| Birthplace (normalized) | switzerland |
1940
Clark-County, South …
Spouse, age 57
Clark-County, South Dakota · implied b. ~1883 — 3 household members
| Surname | Anderson |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Switzerland |
| 1935 Residence (City) | Clark city |
| 1935 Residence (County) | Clark |
| Naturalization Status | Naturalized |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Switzerland |
| Birthplace (normalized) | switzerland |
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 Anna Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Anna Anderson
Spouse · 1940 · age 57 · b. ~1883 · 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 — Clark-County, South Dakota
Open full size
1940 US Federal Census — Clark-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03851-00457)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John L. Smith | 58 | Head | Barber | Wisconsin |
| 2 | Elizabeth Smith | 56 | Wife | — | Illinois |
| 3 | Maxine Smith | 20 | Daughter | Telephone Operator | South Dakota |
| 4 | Oriele J. Michalske | 22 | Head | Laborer | South Dakota |
| 5 | Edith L. Michalske | 27 | Wife | — | Minnesota |
| 6 | Virginia Rae Michalske | 0 | Daughter | — | South Dakota |
| 7 | Earl L. Fountain | 34 | Head | Laborer | Iowa |
| 8 | Vivian Fountain | 29 | Wife | — | South Dakota |
| 9 | Darlene Fountain | 6 | Daughter | — | South Dakota |
| 10 | Sandra Lee Fountain | 2 | Daughter | — | South Dakota |
| 11 | Coleman H. Wagner | 46 | Head | County Agent | South Dakota |
| 12 | Thekla Wagner | 46 | Wife | — | South Dakota |
| 13 | Coleman Wagner | 19 | Son | Salesman | South Dakota |
| 14 | Corinne Wagner | 16 | Daughter | — | South Dakota |
| 15 | Richard Wagner | 9 | Son | — | South Dakota |
| 16 | Peter J. Ilevine|Ilevine | 65 | Head | Carpenter | Illinois |
| 17 | Clara M. Ilevine|Ilevine | 62 | Wife | — | Iowa |
| 18 | Leona Ilevine|Ilevine | 39 | Daughter | Housekeeper | South Dakota |
| 19 | George O'Connor | 28 | Head | Truck Driver | Washington |
| 20 | Katherine O'Connor | 28 | Wife | — | South Dakota |
| 21 | Ray Francis O'Connor | 0 | Daughter | — | South Dakota |
| 22 | Arthur J. Andrus | 72 | Head | — | Illinois |
| 23 | Clara B. Andrus | 74 | Wife | — | Iowa |
| 24 | Mable R. Stacey | 57 | Head | Private Nurse | South Dakota |
| 25 | Charles A. Anderson | 64 | Head | Laborer | Sweden |
| 26 | Anna Anderson THIS PERSON | 57 | Wife | — | Switzerland |
| 27 | Robert A. Anderson | 17 | Son | Truck Driver | South Dakota |
| 28 | Wallace Lisby | 71 | Head | — | Indiana |
| 29 | Maggie Lisby | 73 | Wife | — | Indiana |
| 30 | Glenn S. Pommer | 29 | Head | Assistant Supervisor | South Dakota |
| 31 | Elaine Pommer | 25 | Wife | — | South Dakota |
| 32 | Marilyn K. Pommer | 5 | Daughter | — | South Dakota |
| 33 | Harold S. Peckham | 41 | Head | Well Driller | South Dakota |
| 34 | Gladys Peckham | 38 | Wife | — | Nebraska |
| 35 | Robert D. Peckham | 6 | Son | — | South Dakota |
| 36 | James W. Peckham | 3 | Son | — | South Dakota |
| 37 | Wilbert H. Reed | 30 | Head | Butcher | South Dakota |
| 38 | Vivian Reed | 28 | Wife | — | South Dakota |
| 39 | Floyd D. Stacey | 39 | Head | Laborer | South Dakota |
| 40 | Ella L. Stacey | 27 | Wife | — | 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)