MO
Mary Olson — 1900 US Census Record
Model Tree available1900 United States Federal Census · Nelson, North Dakota
Our Model Tree links this Mary Olson across the 1900, 1910 and 1920 US Censuses in Nelson, North Dakota (XGBoost, ~Confirmed), with identified parents Beatha & Hans — first a daughter (b.~1896), then head of a 4-person household.
Age 4
b. ~1896
Female
Daughter
Born: Nebraska
Single
1900 Census Record Details
| Census Year | 1900 |
| Location | Nelson, North Dakota |
| Surname | Olson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Birth Month | June |
| Birth Year | 1896 |
| Father's Birthplace | Danmark |
| Mother's Birthplace | Norway |
| Additional Details | |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Township 154 Range 57 Dahlen Twp |
| Est. Birth Year | ~1896 |
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.
4 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Olaf Olson | Son | — | 1 | ~1899 |
| Beatha Olson | Spouse | — | 32 | ~1868 |
| Hans Olson | Head | — | 32 | ~1868 |
| Mary Olson | Daughter | — | 4 | ~1896 |
Census Appearances
1900
Nelson, North …
Daughter, age 4
Nelson, North Dakota · implied b. ~1896 — 4 household members
| Surname | Olson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Birth Month | June |
| Birth Year | 1896 |
| Father's Birthplace | Danmark |
| Mother's Birthplace | Norway |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1910
Nelson, North …
Daughter, age 13
Nelson, North Dakota · implied b. ~1897 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Norway |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1920
Nelson, North …
Daughter, age 23
Nelson, North Dakota · implied b. ~1897 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Marie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Norway |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | S |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 3 US Census years (1900, 1910 and 1920) in Nelson, North Dakota, using XGBoost record linkage. Identified parents: mother Beatha Olson (~0.92 confidence) and father Hans Olson (~0.92 confidence) and father Hans Olson (~0.92 confidence) and mother Bertha Olsen (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Beatha Olson
b. ~1868
Source mother
● Household
· direct · ~0.92
Father
Hans Olson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Hans Olson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Bertha Olsen
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Olson
Daughter · 1900 · age 4 · b. ~1896 · North Dakota
★ You are viewing this record
Sibling
Olaf Olson
Sibling · 1900 · age 1
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
1900 US Federal Census — Nelson, North Dakota
Open full size
1900 US Federal Census — Nelson, North Dakota
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu1230unit:0336)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Olga Torgeson | 27 | Head | Dressmaking | Norway |
| 52 | Hilda Torgeson | 23 | Head | Housekeeping | Norway |
| 53 | Jenny Hovland | 20 | Head | Housework | Norway |
| 54 | Frances M Hovland | 2 | Daughter | — | Minn |
| 55 | Almoth Hovland | 0 | Daughter | — | N Dak |
| 56 | John Jorstad | 39 | Head | Farming | Norway |
| 57 | Sigri Jorstad | 44 | Wife | — | Norway |
| 58 | Martin Jorstad | 20 | Son | Farm Laborer | Norway |
| 59 | Mary Jorstad | 18 | Daughter | — | Norway |
| 60 | Hanna Jorstad | 16 | Daughter | — | Norway |
| 61 | Andrew Jorstad | 14 | Son | — | Norway |
| 62 | Arned Jorstad | 11 | Son | — | Norway |
| 63 | Clara M Jorstad | 7 | Daughter | — | Michigan |
| 64 | Hulda Jorstad | 4 | Daughter | — | Michigan |
| 65 | Jorgen J Jorstad | 0 | Son | — | N Dak |
| 66 | Hans H Olson | 32 | Head | Butcher | Danmark |
| 67 | Beatha Olson | 31 | Wife | — | Norway |
| 68 | Mary Olson THIS PERSON | 4 | Daughter | — | Nebraska |
| 69 | Olaf Olson | 1 | Son | — | N Dak |
| 70 | Ingeborg Fersrud | 28 | Head | Dressmaker | Norway |
| 71 | Mary Hedalen | 15 | Head | — | N Dak |
| 72 | Elling H Dahlen | 64 | Head | Farmer & P.M. | Norway |
| 73 | Marit Dahlen | 65 | Wife | — | Norway |
| 74 | Theodore Dahlen | 19 | Son | Farm Laborer | N Dak |
| 75 | Oscar Anderson | 30 | Hired | Farm Laborer | Sweden |
| 76 | Maria Hedalen | 16 | Head | Houseworking | N Dak |
| 77 | Nils H Dahlen | 42 | Head | Farming | Norway |
| 78 | Minnie M Dahlen | 14 | Daughter | — | N Dak |
| 79 | Emma H Dahlen | 12 | Daughter | — | N Dak |
| 80 | Elling N Dahlen | 10 | Son | — | N Dak |
| 81 | Agnes O Dahlen | 7 | Daughter | — | N Dak |
| 82 | Henry C Dahlen | 3 | Son | — | N Dak |
| 83 | Torger Vika | 32 | Head | — | Norway |
| 84 | Ole A Moen | 54 | Head | Farmer | Norway |
| 85 | Anne J Moen | 28 | Wife | — | Minn |
| 86 | Ole J Olsen | 32 | Head | — | Norway |
| 87 | Anne Olsen | 28 | Wife | — | Minn |
| 88 | Christina Olsen | 1 | Daughter | — | N Dak |
| 89 | Ole Rustebakken | 55 | Head | Farming | Norway |
| 90 | Turi Rustebakken | 44 | Wife | — | Norway |
| 91 | Aletta Rustebakken | 22 | Daughter | Teaching School | Wis |
| 92 | Tilda Rustebakken | 19 | Daughter | — | Wis |
| 93 | Ida Rustebakken | 16 | Daughter | — | N Dakota |
| 94 | Alma Rustebakken | 11 | Daughter | — | N Dakota |
| 95 | Martin Rustebakken | 9 | Son | — | N Dakota |
| 96 | Martha Rustebakken | 6 | Daughter | — | N Dakota |
| 97 | Simon Rodberg | 48 | Head | Farm Laborer | Norway |
| 98 | Martin Lommeland | 37 | Head | Farming | Norway |
| 99 | Peter B Nilsen | 57 | Head | Farming | Danmark |
| 100 | Dorthe Nilsen | 42 | Wife | — | Norway |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)