MO
Mary Olson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Pacific, Washington
Our Model Tree links this Mary Olson across the 1920, 1930 and 1940 US Censuses in Pacific, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1866), then head of a 5-person household.
Age 54
b. ~1866
Female
Spouse
Born: Finland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Pacific, Washington |
| Surname | Olson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Finland |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Finland |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | finland |
| Township / Ward | Chinook Precinct |
| Est. Birth Year | ~1866 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Andrew Olson | Head | — | 55 | ~1865 |
| Mary Olson | Spouse | — | 54 | ~1866 |
| Elsie Stahl | Daughter | — | 21 | ~1899 |
| Clarence Stahl | Other | — | 22 | ~1898 |
| Clarence Olson | Son | — | 20 | ~1900 |
Census Appearances
1920
Pacific, Washington
Spouse, age 54
Pacific, Washington · implied b. ~1866 — 5 household members
| Surname | Olson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Finland |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Finland |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | finland |
Spouse, age 65
Pacific, Washington · implied b. ~1865 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Mary M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1891 |
| Age at First Marriage | 47 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1940
Pacific-County, Washington
Head, age 75
Pacific-County, Washington · implied b. ~1865 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Matilda |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Finland |
| 1935 Residence (City) | Ilwaco Town |
| 1935 Residence (County) | Pacific |
| Naturalization Status | Naturalized |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same House |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Olson
Spouse · 1920 · age 54 · b. ~1866 · Washington
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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 — Pacific, Washington
Open full size
1920 US Federal Census — Pacific, Washington
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1932unit:0859)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Anton Fangland | 53 | Head | Laborer | Norway |
| 52 | Nellie Fangland | 35 | Wife | — | Washington |
| 53 | Henry Fangland | 17 | Son | Fisherman | Washington |
| 54 | Karl Earlundson | 58 | Head | Fisherman | Sweden |
| 55 | Olivia Earlundson | 60 | Wife | — | Sweden |
| 56 | Victor Earlundson | 18 | Son | Fisherman | Sweden |
| 57 | Adolph Sorenson | 54 | Head | Fisherman | Norway |
| 58 | Hannah Sorenson | 45 | Wife | — | Oregon |
| 59 | George Sorenson | 14 | Son | — | Washington |
| 60 | Hugh Williams | 29 | Head | — | Wales |
| 61 | Amy Williams | 32 | Wife | Teacher | Norway |
| 62 | Jean Williams | 11 | Son | — | Washington |
| 63 | Hugh Ruth | 25 | Head | Hiredman | Iowa |
| 64 | Alice Ruth | 25 | Wife | — | Washington |
| 65 | Isabelle Ruth | 31 | Head | Housekeeper | Iowa |
| 66 | Irvin Smith | 11 | Son | — | Iowa |
| 67 | Edward Gurt | 46 | Boarder | Laborer | Missouri |
| 68 | John Belsner | 46 | Boarder | Logger | Illinois |
| 69 | Herman Kloele | 33 | Boarder | Miller | Germany |
| 70 | Andrew Olson | 55 | Head | Farmer | Sweden |
| 71 | Mary Olson THIS PERSON | 54 | Wife | — | Finland |
| 72 | Clarence Olson | 20 | Son | Farmer | Washington |
| 73 | Elsie Stahl | 21 | Daughter | — | Washington |
| 74 | Clarence Stahl | 22 | Son-in-law | — | Sweden |
| 75 | Otto Hornsby | 66 | Head | Farmer | Sweden |
| 76 | Emma Hornsby | 58 | Wife | — | Sweden |
| 77 | Arthur Hornsby | 33 | Son | Logger | Sweden |
| 78 | Harry Hornsby | 32 | Son | Farmer | Sweden |
| 79 | Andrew Hornsby | 30 | Son | Logger | Sweden |
| 80 | August Hornsby | 23 | Son | Logger | Sweden |
| 81 | Joseph Alex | 42 | Head | Cook | New York |
| 82 | Francis Mcnabb | 16 | Boarder | Cook | Washington |
| 83 | John Hanson | 52 | Boarder | Logger | Norway |
| 84 | Joseph Hanson | 47 | Boarder | Blacksmith | Norway |
| 85 | Edward Cummings | 34 | Boarder | Teamster | Wisconsin |
| 86 | Fred Cummings | 27 | Boarder | Logger | Wisconsin |
| 87 | W Johnson | 52 | Boarder | Loader | Finland |
| 88 | Elmer Donny | 21 | Boarder | Logger | Wisconsin |
| 89 | Anton Nelson | 30 | Boarder | Logger | Finland |
| 90 | William Howard | 22 | Boarder | Chaser | Oregon |
| 91 | Frank Vincent | 24 | Boarder | Chaser | Washington |
| 92 | Frank Miller | 32 | Boarder | Woodcutter | Holland |
| 93 | Leo Stover | 18 | Boarder | Woodsplitter | Virginia |
| 94 | Charles Maki | 29 | Boarder | Loader | Finland |
| 95 | Frank Jarven | 34 | Boarder | Logger | Texas |
| 96 | Sofa Larson | 56 | Boarder | Cook | Sweden |
| 97 | John Torgeson | 71 | Head | Fisherman | Denmark |
| 98 | John Dahlberg | 79 | Head | Carpenter | Sweden |
| 99 | Hildgard Dahlberg | 43 | Son | Carpenter | Sweden |
| 100 | Joseph Brennan | 54 | Head | Carpenter | Finland |
Related Census Records
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)