MO
Mary Olsen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Coos-County, Oregon
Our Model Tree links this Mary Olsen across the 1920, 1930 and 1940 US Censuses in Coos-County, Oregon (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 3-person household.
Age 57
b. ~1883
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Coos-County, Oregon |
| Surname | Olsen |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Empire City |
| 1935 Residence (County) | Coos |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Empire City |
| Est. Birth Year | ~1883 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Renert Olsen | Head | — | 70 | ~1870 |
| Elizabeth Olsen | Daughter | — | 26 | ~1914 |
| Mary Olsen | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Coos, Oregon
Spouse, age 37
Coos, Oregon · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Mary F. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Coos, Oregon
Spouse, age 48
Coos, Oregon · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | May |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 24 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Coos-County, Oregon
Spouse, age 57
Coos-County, Oregon · implied b. ~1883 — 3 household members
| Surname | Olsen |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Empire City |
| 1935 Residence (County) | Coos |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Olsen
Spouse · 1940 · age 57 · b. ~1883 · Oregon
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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 — Coos-County, Oregon
Open full size
1940 US Federal Census — Coos-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03358-00252)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy V. Seitz | 35 | Wife | — | Kansas |
| 42 | Harold L. Seitz | 17 | Son | Laborer | Kansas |
| 43 | Cameron S. Seitz | 14 | Son | — | Kansas |
| 44 | Noel R. Seitz | 12 | Son | — | Kansas |
| 45 | Francis J. Seitz | 10 | Son | — | Kansas |
| 46 | Frank H. Cook | 52 | Head | Carpenter | New York |
| 47 | Hazel M. Cook | 46 | Wife | — | Washington |
| 48 | Jack S. Cook | 19 | Son | — | Oregon |
| 49 | Phyllis A. Cook | 12 | Daughter | — | Oregon |
| 50 | Emmett H. Cook | 8 | Son | — | Oregon |
| 51 | Ruth M. Morrison | 22 | Daughter | — | Oregon |
| 52 | John L. Bollo | 24 | Boarder | Laborer | Oklahoma |
| 53 | Stanley F. Mcbunn | 29 | Boarder | Laborer | Illinois |
| 54 | Warren A. Powell | 51 | Head | Manager | Washington |
| 55 | Myrtle H. Powell | 42 | Wife | — | Oregon |
| 56 | Bryce R. Powell | 19 | Son | — | Oregon |
| 57 | Elinor M. Powell | 16 | Daughter | — | Oregon |
| 58 | Forrest D. Smith | 38 | Head | Machinist | Scotland |
| 59 | Pansy L. Smith | 30 | Wife | — | Idaho |
| 60 | Sandra J. Smith | 2 | Daughter | — | Oregon |
| 61 | Stewart O. Smith | 0 | Son | — | Oregon |
| 62 | Robert L. Kirby | 22 | Brother-in-law | — | Oregon |
| 63 | Renert D. Olsen | 70 | Head | — | Norway |
| 64 | Mary J. Olsen THIS PERSON | 57 | Wife | — | Pennsylvania |
| 65 | Elizabeth M. Olsen | 26 | Daughter | Book Keeper | Oregon |
| 66 | Annie B. Lattin | 44 | Head | — | Kansas |
| 67 | Bruce G. Lattin | 21 | Son | Fisherman | Oregon |
| 68 | Elsie M. Lattin | 16 | Daughter | — | Oregon |
| 69 | Eileen E. Paulson | 22 | Daughter | — | Oregon |
| 70 | Lloyd Faulkner | 45 | Head | Laborer | Wisconsin |
| 71 | Hulda O. Faulkner | 38 | Wife | — | Arkansas |
| 72 | Annie E. Delouch | 71 | Mother-in-law | — | Alabama |
| 73 | Burt H. Bolem | 52 | Head | Salesman | Missouri |
| 74 | Mary X. Bolem | 49 | Wife | — | Canada |
| 75 | Alfred I. Peterson | 49 | Head | Rancher | Oregon |
| 76 | Edward L. Sagg | 51 | Brother-in-law | Pilot | Oregon |
| 77 | Leah V. Sagg | 51 | Sister-in-law | — | Oregon |
| 78 | Elmore Jr. Anderson | 36 | Boarder | Farmer | Oregon |
| 79 | David A. Haleen | 41 | Head | Fisherman | Oregon |
| 80 | Ada L. Haleen | 36 | Wife | Laborer | Nebraska |
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)