MO
Mary Olson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Bayfield, Wisconsin
Our Model Tree links this Mary Olson across the 1910 and 1920 US Censuses in Bayfield, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1901), then head of a 10-person household.
Age 19
b. ~1901
Female
Daughter
Born: Wisconsin
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Bayfield, Wisconsin |
| Surname | Olson |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Mason Town |
| Est. Birth Year | ~1901 |
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 |
|---|---|---|---|---|
| Rose Olson | Daughter | — | 4 | ~1916 |
| Peter Olson | Head | — | 52 | ~1868 |
| Alice Olson | Daughter | — | 11 | ~1909 |
| Henry Olson | Son | — | 5 | ~1915 |
| Mildred Olson | Daughter | — | 7 | ~1913 |
| John Olson | Son | — | 21 | ~1899 |
| Mary Olson | Daughter | — | 19 | ~1901 |
| Jacob Olson | Daughter | — | 17 | ~1903 |
| Emil Olson | Son | — | 14 | ~1906 |
| Julia Olson | Spouse | — | 45 | ~1875 |
Census Appearances
1910
Bayfield, Wisconsin
Daughter, age 9
Bayfield, Wisconsin · implied b. ~1901 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1920
Bayfield, Wisconsin
Daughter, age 19
Bayfield, Wisconsin · implied b. ~1901 — 10 household members
| Surname | Olson |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Bayfield, Wisconsin, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Olson
Daughter · 1920 · age 19 · b. ~1901 · Wisconsin
★ You are viewing this record
Sibling
Mildred Olson
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Olson
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Olson
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emil Olson
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jacob Olson
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Olson
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Olson
Sibling · 1920 · age 21
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
1920 US Federal Census — Bayfield, Wisconsin
Open full size
1920 US Federal Census — Bayfield, Wisconsin
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1976unit:0994)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Wilhelmina Goulait | 22 | Wife | None | Wisconsin |
| 52 | Peter Goulait | 34 | Head | Farmer | Wisconsin |
| 53 | Isaac Goulait | 30 | Head | Farmer | Wisconsin |
| 54 | Gabriel Westlund | 29 | Head | Farmer | Sweden |
| 55 | Lillian M Westlund | 21 | Wife | None | Wisconsin |
| 56 | Lennart G Westlund | 1 | Son | None | Wisconsin |
| 57 | Verna M Westlund | 0 | Daughter | None | Wisconsin |
| 58 | Jerome Goulait | 60 | Head | Farmer | Wisconsin |
| 59 | Anna Goulait | 51 | Wife | None | Minnesota |
| 60 | Nels Westlund | 32 | Head | Farmer | Sweden |
| 61 | Anna Westlund | 24 | Wife | None | Wisconsin |
| 62 | Anna M Westlund | 5 | Daughter | None | Wisconsin |
| 63 | Evelyn M Westlund | 3 | Daughter | None | Wisconsin |
| 64 | Hilding J Westlund | 1 | Son | None | Wisconsin |
| 65 | Gust B Johnson | 64 | Head | Farmer | Sweden |
| 66 | Simon Amundson | 54 | Head | Farmer | Norway |
| 67 | Betty Amundson | 45 | Wife | None | Sweden |
| 68 | John B Amundson | 21 | Adopted Son | Farm Laborer | Wisconsin |
| 69 | Signa B Amundson | 9 | Adopted Daughter | None | Minnesota |
| 70 | Louis Anderson | 56 | Head | Farmer | Sweden |
| 71 | Sega Anderson | 56 | Wife | None | Denmark |
| 72 | Wilhelm Anderson | 28 | Son | Farm Laborer | Wisconsin |
| 73 | Edward Anderson | 26 | Son | Farm Laborer | Wisconsin |
| 74 | Hulda Anderson | 16 | Son | None | Wisconsin |
| 75 | Peter A Olson | 52 | Head | Farmer | Norway |
| 76 | Julia Olson | 45 | Wife | None | Sweden |
| 77 | John A Olson | 21 | Son | Farm Laborer | Wisconsin |
| 78 | Mary A Olson THIS PERSON | 19 | Daughter | None | Wisconsin |
| 79 | Jacob H Olson | 17 | Daughter | None | Wisconsin |
| 80 | Emil M Olson | 14 | Son | None | Wisconsin |
| 81 | Alice L Olson | 11 | Daughter | None | Wisconsin |
| 82 | Mildred E Olson | 7 | Daughter | None | Wisconsin |
| 83 | Henry D Olson | 5 | Son | None | Wisconsin |
| 84 | Rose Olson | 4 | Daughter | None | Wisconsin |
| 85 | August Ed | 67 | Head | Farmer | Sweden |
| 86 | Anna W Ed | 54 | Wife | None | Sweden |
| 87 | George A Sundberg | 45 | Head | Farmer | Sweden |
| 88 | Martha Sundberg | 42 | Wife | None | Sweden |
| 89 | Mabel Sundberg | 11 | Daughter | None | Wisconsin |
| 90 | Gladys Sundberg | 9 | Daughter | None | Wisconsin |
| 91 | Seth Sundberg | 3 | Son | None | Wisconsin |
| 92 | Edna Sundberg | 1 | Daughter | None | Wisconsin |
| 93 | Hans Ekring | 74 | Head | Farmer | Sweden |
| 94 | Anna M Ekring | 41 | Daughter | None | Sweden |
| 95 | Carl E Ekring | 33 | Son | Farm Laborer | Sweden |
| 96 | Arthur R Anderson | 16 | Adopted Son | None | Wisconsin |
| 97 | John H Westberg | 56 | Head | Farmer | Norway |
| 98 | Anna Westberg | 58 | Wife | None | Norway |
| 99 | Roy Westberg | 17 | Son | Farm Laborer | Wisconsin |
| 100 | Olaf Swanson | 65 | Head | Farmer | Sweden |
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)