MO
Mary Olson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Custer-County, Nebraska
Our Model Tree links this Mary Olson across the 1930 and 1940 US Censuses in Custer-County, Nebraska (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 13-person household.
Age 39
b. ~1901
Female
Spouse
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Custer-County, Nebraska |
| Surname | Olson |
| Given Name | Mary E. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Victoria Township |
| 1935 Residence (County) | Custer |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Victoria Township |
| 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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Florene Olson | Daughter | — | 13 | ~1927 |
| Kenneth Olson | Son | — | ~1940 | |
| Alma Olson | Daughter | — | 10 | ~1930 |
| Lelay Olson | Son | — | 16 | ~1924 |
| Olen Olson | Son | — | 15 | ~1925 |
| Loyd Olson | Son | — | 18 | ~1922 |
| Frank Olson | Head | — | 46 | ~1894 |
| Norman Olson | Son | — | 7 | ~1933 |
| Marion Olson | Son | — | 4 | ~1936 |
| Irene Olson | Daughter | — | 11 | ~1929 |
| Roselie Olson | Daughter | — | 2 | ~1938 |
| Lucella Olson | Daughter | — | 20 | ~1920 |
| Mary Olson | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Custer, Nebraska
Other, age 29
Custer, Nebraska · implied b. ~1901 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Mary E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 17 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Custer-County, Nebraska
Spouse, age 39
Custer-County, Nebraska · implied b. ~1901 — 13 household members
| Surname | Olson |
| Given Name | Mary E. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Victoria Township |
| 1935 Residence (County) | Custer |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Olson
Spouse · 1940 · age 39 · b. ~1901 · Nebraska
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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 — Custer-County, Nebraska
Open full size
1940 US Federal Census — Custer-County, Nebraska
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02242-01018)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth M. Bowley | 17 | daughter | — | Nebraska |
| 2 | Ruby I. Bowley | 16 | daughter | — | Nebraska |
| 3 | Catherine Bowley | 12 | daughter | — | Nebraska |
| 4 | John W. Bowley | 7 | son | — | Nebraska |
| 5 | Donald Roth | 16 | hired hand | Farm Laborer | Nebraska |
| 6 | Frank W. Olson | 46 | head | Farming | Nebraska |
| 7 | Mary E. Olson THIS PERSON | 39 | wife | — | Nebraska |
| 8 | Lucella M. Olson | 20 | daughter | — | Nebraska |
| 9 | Loyd B. Olson | 18 | son | — | Nebraska |
| 10 | Lelay E. Olson | 16 | son | — | Nebraska |
| 11 | Olen P. Olson | 15 | son | — | Nebraska |
| 12 | Florene E. Olson | 13 | daughter | — | Nebraska |
| 13 | Irene V. Olson | 11 | daughter | — | Nebraska |
| 14 | Alma L. Olson | 10 | daughter | — | Nebraska |
| 15 | Norman J. Olson | 7 | son | — | Nebraska |
| 16 | Marion E. Olson | 4 | son | — | Nebraska |
| 17 | Roselie B. Olson | 2 | daughter | — | Nebraska |
| 18 | Kenneth L. Olson | 0 | son | — | Nebraska |
| 19 | Francis Williams | 32 | head | Farming | Nebraska |
| 20 | Eunice Williams | 28 | wife | — | Nebraska |
| 21 | Lyvern Williams | 2 | son | — | Nebraska |
| 22 | Walter H. Williams | 31 | head | Farming | Nebraska |
| 23 | Minnie T. Williams | 23 | wife | — | Germany |
| 24 | Richard L. Williams | 5 | son | — | Nebraska |
| 25 | Wayne E. Williams | 1 | son | — | Nebraska |
| 26 | Leo J. Hickman | 31 | head | Farming | Nebraska |
| 27 | Winifred M. Hickman | 25 | wife | — | Nebraska |
| 28 | Winifred A. Hickman | 3 | daughter | — | Nebraska |
| 29 | Raymond L. Hickman | 1 | son | — | Nebraska |
| 30 | Donald P. Hickman | 0 | son | — | Nebraska |
| 31 | Edwin J. Olson | 56 | head | Farming | Wisconsin |
| 32 | Sena P. Olson | 56 | wife | — | Denmark |
| 33 | Warren W. Olson | 18 | son | Farm Laborer | Nebraska |
| 34 | Hayes Mcgraw | 19 | lodger | School Teacher | Nebraska |
| 35 | Chancy C. Tienner | 50 | head | Farming | Nebraska |
| 36 | Bertha L. Tienner | 50 | wife | — | Nebraska |
| 37 | Ivan Hostetler | 42 | head | Farming | Nebraska |
| 38 | Emma Hostetler | 41 | wife | — | Nebraska |
| 39 | Lucille Hostetler | 19 | daughter | — | Nebraska |
| 40 | Dale F. Hostetler | 15 | son | Farm 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)