AC
Anna Collins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clark-County, South Dakota
Our Model Tree links this Anna Collins across the 1930 and 1940 US Censuses in Clark-County, South Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 9-person household.
Age 44
b. ~1896
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, South Dakota |
| Surname | Collins |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Hague Township |
| 1935 Residence (County) | Clark |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Hague Township |
| Est. Birth Year | ~1896 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Dancil Collins | Son | — | 9 | ~1931 |
| William Collins | Head | — | 55 | ~1885 |
| Anna Collins | Spouse | — | 44 | ~1896 |
| Osmer Collins | Son | — | 13 | ~1927 |
| Violet Collins | Daughter | — | 11 | ~1929 |
| William Collins | Son | — | 7 | ~1933 |
| Eleanor Collins | Daughter | — | 5 | ~1935 |
| Charles Collins | Son | — | 2 | ~1938 |
| Oscar Collins | Son | — | 18 | ~1922 |
Census Appearances
1930
Clark, South …
Spouse, age 35
Clark, South Dakota · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Anna M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 30 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Clark-County, South …
Spouse, age 44
Clark-County, South Dakota · implied b. ~1896 — 9 household members
| Surname | Collins |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Hague Township |
| 1935 Residence (County) | Clark |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Collins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Anna Collins
Spouse · 1940 · age 44 · b. ~1896 · 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-t0627-03851-00572)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward H. Pleyans | 48 | Head | Farming | Minnesota |
| 2 | Ethel Pleyans | 51 | Wife | — | South Dakota |
| 3 | Douglas Pleyans | 18 | Son | — | Minnesota |
| 4 | Clara Nelson | 51 | Head | — | South Dakota |
| 5 | Carrol Nelson | 24 | Son | Farming | So. Dakota |
| 6 | Norman Nelson | 17 | Son | Nya Project | So. Dakota |
| 7 | Earl Mueller | 26 | Lodger | Teacher | So. Dakota |
| 8 | Helm H. Brower | 37 | Head | Farmer | So. Dakota |
| 9 | Lucille Brower | 35 | Wife | — | So. Dakota |
| 10 | Donald Brower | 8 | Son | — | So. Dakota |
| 11 | Clara Greenough | 58 | Wife | — | Wisconsin |
| 12 | Jas. Greenough | 65 | Head | Farmer | Illinois |
| 13 | C. C. Hill | 67 | Head | Farmer | Missouri |
| 14 | Pearl Hill | 55 | Wife | — | Ohio |
| 15 | Grace Hill | 20 | Daughter | — | So. Dakota |
| 16 | Wesley Hill | 15 | Son | — | So. Dakota |
| 17 | Herman T. Waters | 58 | Head | Minister | Iowa |
| 18 | Herman Brower | 67 | Head | Farmer | Germany |
| 19 | Tillie Brower | 64 | Wife | — | Germany |
| 20 | Ella Brower | 28 | Daughter | — | So. Dakota |
| 21 | Ray Brower | 26 | Son | Farmer | So. Dakota |
| 22 | Alta Brower | 17 | Daughter | Nya Project | So. Dakota |
| 23 | Ray E. Teschner | 37 | Head | Farmer | Iowa |
| 24 | Mavis Teschner | 33 | Wife | — | So. Dakota |
| 25 | Larry Teschner | 4 | Son | — | So. Dakota |
| 26 | Lester Warner | 25 | Head | Farmer | So. Dakota |
| 27 | Letha Warner | 23 | Wife | — | So. Dakota |
| 28 | Gerald Warner | 1 | Son | — | So. Dakota |
| 29 | William Collins | 55 | Head | Farmer | Illinois |
| 30 | Anna Collins THIS PERSON | 44 | Wife | — | Iowa |
| 31 | Oscar Collins | 18 | Son | — | So. Dakota |
| 32 | Osmer Collins | 13 | Son | — | So. Dakota |
| 33 | Violet Collins | 11 | Daughter | — | So. Dakota |
| 34 | Dancil Collins | 9 | Son | — | So. Dakota |
| 35 | William Collins | 7 | Son | — | So. Dakota |
| 36 | Eleanor Collins | 5 | Daughter | — | So. Dakota |
| 37 | Charles Collins | 2 | Son | — | So. Dakota |
| 38 | Nick Ohlsen | 53 | Head | Farmer | Iowa |
| 39 | Dora Ohlsen | 53 | Wife | — | Minnesota |
| 40 | Marjorie Ohlsen | 18 | Daughter | Nya Project | So. 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)