MO
Mary Olsen — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Turner, South Dakota
Our Model Tree links this Mary Olsen across the 1900, 1910 and 1920 US Censuses in Turner, South Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1849), then head of a 3-person household.
Age 71
b. ~1849
Female
Spouse
Born: Denmark
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Turner, South Dakota |
| Surname | Olsen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | Denmark |
| Year of Immigration | 1869 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Year of Naturalization | 1880 |
| Birthplace (normalized) | denmark |
| Township / Ward | Viborg City |
| Est. Birth Year | ~1849 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Chris Olsen | Head | — | 76 | ~1844 |
| Nelle Olsen | Daughter | — | 43 | ~1877 |
| Mary Olsen | Spouse | — | 71 | ~1849 |
Census Appearances
1900
Turner, South …
Spouse, age 51
Turner, South Dakota · implied b. ~1849 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Denmark |
| Birth Month | Apr |
| Birth Year | 1849 |
| Year of Immigration | 1870 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1910
Turner, South …
Spouse, age 61
Turner, South Dakota · implied b. ~1849 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Denmark |
| Years Married | 35 |
| Children Born | 10 |
| Children Living | 5 |
| Year of Immigration | 1869 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1920
Turner, South …
Spouse, age 71
Turner, South Dakota · implied b. ~1849 — 3 household members
| Surname | Olsen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | Denmark |
| Year of Immigration | 1869 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Year of Naturalization | 1880 |
| Birthplace (normalized) | denmark |
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 Mary Olsen across 3 US Census years (1900, 1910 and 1920) in Turner, South Dakota, using XGBoost record linkage.
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This person
Anchor record
Mary Olsen
Spouse · 1920 · age 71 · b. ~1849 · South Dakota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Turner, South Dakota
Open full size
1920 US Federal Census — Turner, South Dakota
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1721unit:1100)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter Platt | 61 | Head | Farmer | Denmark |
| 2 | Stina Platt | 58 | Wife | — | Denmark |
| 3 | Arch Fredrickson | 31 | Head | Dray Man | South Dakota |
| 4 | Irene Fredrickson | 20 | Wife | — | Indiana |
| 5 | Christian Henningon | 71 | Head | — | Denmark |
| 6 | Lena Henningon | 41 | Daughter | Dressmaking | Denmark |
| 7 | Jesse Bradshaw | 28 | Head | Laborer | Indiana |
| 8 | Eulah Bradshaw | 28 | Wife | — | Kansas |
| 9 | Clifford Bradshaw | 5 | Son | — | Kansas |
| 10 | Mary E. Bradshaw | 1 | Daughter | — | Kansas |
| 11 | Mary A. Hoffman | 60 | Mother-in-law | — | England |
| 12 | Upwald Sperly | 40 | Head | Tailor | Norway |
| 13 | Fay T. Sperly | 24 | Wife | — | Iowa |
| 14 | Edythe Sperly | 3 | Daughter | — | South Dakota |
| 15 | William Harrison | 40 | Head | Meat Cutter | Kansas |
| 16 | Mary Harrison | 30 | Wife | — | Minnesota |
| 17 | Carl Christenson | 36 | Head | Laborer | Illinois |
| 18 | Anna Christenson | 28 | Wife | — | Denmark |
| 19 | Clara Christenson | 8 | Daughter | — | South Dakota |
| 20 | Ida Christenson | 7 | Daughter | — | South Dakota |
| 21 | Selma Christenson | 3 | Daughter | — | South Dakota |
| 22 | Agnes M. Christenson | 63 | Mother | — | Denmark |
| 23 | George Christenson | 71 | Head | — | Denmark |
| 24 | Fred E. Morrison | 21 | Head | Manager | South Dakota |
| 25 | Bessie Morrison | 35 | Wife | — | South Dakota |
| 26 | Burnette Morrison | 0 | Daughter | — | Iowa |
| 27 | Royal J. Flood | 21 | Head | Proprietor | Iowa |
| 28 | Mabel Flood | 20 | Wife | — | New York |
| 29 | Hans D.M. Vorgensen | 49 | Head | Salesman | Denmark |
| 30 | Audrey C. Vorgensen | 69 | Head | — | Denmark |
| 31 | Earl Eggleston | 27 | Head | Veterinary | South Dakota |
| 32 | Agnes Eggleston | 29 | Wife | — | South Dakota |
| 33 | Chris Olsen | 76 | Head | — | Denmark |
| 34 | Mary Olsen THIS PERSON | 71 | Wife | — | Denmark |
| 35 | Nelle Olsen | 43 | Daughter | Farm Laborer | South Dakota |
| 36 | Emma M. Keller | 63 | Head | — | Iowa |
| 37 | Naomi Keller | 23 | Daughter | Teacher | South Dakota |
| 38 | Charles Butler | 69 | Head | Janitor | North Carolina |
| 39 | Lillie Butler | 59 | Wife | — | Missouri |
| 40 | Chris Skorew | 41 | Head | Salesman | Denmark |
| 41 | Emma Skorew | 33 | Wife | — | Missouri |
| 42 | Rachel Skorew | 11 | Daughter | — | New York |
| 43 | Helen Skorew | 8 | Daughter | — | New York |
| 44 | Clara Hansen | 23 | Servant | Servant | Missouri |
| 45 | Easter Skorew | 16 | Daughter | — | Nebraska |
| 46 | Carl Fredrickson | 50 | Head | Harness Maker | Denmark |
| 47 | Hans Fredrickson | 27 | Son | Harness Maker | Nebraska |
| 48 | Ida Fredrickson | 22 | Daughter | Teacher | Nebraska |
| 49 | Helen Fredrickson | 20 | Daughter | Teacher | Nebraska |
| 50 | Alfred Fredrickson | 18 | Son | Salesman | Nebraska |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)