MO
Mary Olson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Polk, Minnesota
Our Model Tree links this Mary Olson across the 1910 and 1920 US Censuses in Polk, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 10-person household.
Age 45
b. ~1875
Female
Spouse
Born: Sweden
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Polk, Minnesota |
| Surname | Olson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1887 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1892 |
| Birthplace (normalized) | sweden |
| Township / Ward | Eden Township |
| Est. Birth Year | ~1875 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Henry Olson | Son | — | 18 | ~1902 |
| Hazel Olson | Daughter | — | 3 | ~1917 |
| Archie Olson | Son | — | 9 | ~1911 |
| Mary Olson | Spouse | — | 45 | ~1875 |
| Ruby Olson | Daughter | — | 14 | ~1906 |
| Keilfar Olson | Daughter | — | 12 | ~1908 |
| Nina Olson | Daughter | — | 7 | ~1913 |
| Lilly Olson | Daughter | — | 20 | ~1900 |
| Noble Olson | Son | — | 16 | ~1904 |
| Louis Olson | Head | — | 52 | ~1868 |
Census Appearances
1910
Polk, Minnesota
Spouse, age 34
Polk, Minnesota · implied b. ~1876 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Sweden |
| Years Married | 16 |
| Children Born | 9 |
| Children Living | 8 |
| Year of Immigration | 1888 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Polk, Minnesota
Spouse, age 45
Polk, Minnesota · implied b. ~1875 — 10 household members
| Surname | Olson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1887 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1892 |
| Birthplace (normalized) | sweden |
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 Olson across 2 US Census years (1910 and 1920) in Polk, Minnesota, using XGBoost record linkage.
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This person
Anchor record
Mary Olson
Spouse · 1920 · age 45 · b. ~1875 · Minnesota
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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 — Polk, Minnesota
Open full size
1920 US Federal Census — Polk, Minnesota
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu850unit:0970)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Claus Thorson | 63 | Head | Farming | Sweden |
| 52 | Anna Thorson | 60 | Wife | — | Sweden |
| 53 | Leonard Thorson | 38 | Son | Farm Labor | Minnesota |
| 54 | Agnes Thorson | 15 | Daughter | — | Minnesota |
| 55 | Carl Martinson | 54 | Head | Farming | Sweden |
| 56 | Jessie Martinson | 59 | Wife | — | Sweden |
| 57 | Clara Martinson | 31 | Daughter | — | Minnesota |
| 58 | Louis Olson | 52 | Head | Farming | Sweden |
| 59 | Mary Olson THIS PERSON | 45 | Wife | — | Sweden |
| 60 | Lilly Olson | 20 | Daughter | — | Minnesota |
| 61 | Henry Olson | 18 | Son | — | Minnesota |
| 62 | Noble Olson | 16 | Son | — | Minnesota |
| 63 | Ruby Olson | 14 | Daughter | — | Minnesota |
| 64 | Keilfar Olson | 12 | Daughter | — | Minnesota |
| 65 | Archie Olson | 9 | Son | — | Minnesota |
| 66 | Nina Olson | 7 | Daughter | — | Minnesota |
| 67 | Hazel Olson | 3 | Daughter | — | Minnesota |
| 68 | Helmer Monson | 43 | Head | Farming | Norway |
| 69 | Cora Monson | 36 | Wife | — | Minnesota |
| 70 | Melvin Monson | 11 | Son | — | N. Dakota |
| 71 | Martel Monson | 9 | Daughter | — | Minnesota |
| 72 | Violet Monson | 6 | Daughter | — | Minnesota |
| 73 | Carl Monson | 4 | Son | — | Minnesota |
| 74 | Ruben Monson | 1 | Son | — | Minnesota |
| 75 | Selmer Wolf | 28 | Head | Farming | Minnesota |
| 76 | Selma Wolf | 25 | Wife | — | Minnesota |
| 77 | Ester Wolf | 4 | Daughter | — | Minnesota |
| 78 | Myrtle Wolf | 1 | Daughter | — | Minnesota |
| 79 | Joseph Tonehagen | 37 | Head | Farming | Minnesota |
| 80 | Caroline Tonehagen | 36 | Wife | — | Minnesota |
| 81 | Perry Tonehagen | 12 | Son | — | Minnesota |
| 82 | Alvina Tonehagen | 8 | Daughter | — | Minnesota |
| 83 | Mathias Land | 53 | Head | Farming | Norway |
| 84 | Josephine Land | 47 | Wife | — | Norway |
| 85 | Edwin Land | 22 | Son | — | Minnesota |
| 86 | Joseph Land | 16 | Son | — | Minnesota |
| 87 | Mathilda Land | 20 | Daughter | — | Minnesota |
| 88 | Laura Land | 18 | Daughter | — | Minnesota |
| 89 | Clara Land | 7 | Daughter | — | Minnesota |
| 90 | Betsey Land | 5 | Daughter | — | Minnesota |
| 91 | Carl Kvem | 24 | Head | Farming | Minnesota |
| 92 | Edwin Kvem | 20 | Brother | Farming | Minnesota |
| 93 | Bernhard Wolf | 30 | Head | Farming | Minnesota |
| 94 | Palma Wolf | 26 | Wife | — | Minnesota |
| 95 | Christen Olson | 66 | Head | Farming | Norway |
| 96 | Margret Olson | 62 | Wife | — | Norway |
| 97 | Charles Sampson | 55 | Head | Farming | Sweden |
| 98 | Emma Sampson | 48 | Wife | — | Sweden |
| 99 | Eulalia Sampson | 23 | Daughter | School Teacher | Minnesota |
| 100 | Gladys Sampson | 18 | Daughter | School Teacher | Minnesota |
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)