MO
Mary Olsen — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Buena Vista, Iowa
Our Model Tree links this Mary Olsen across the 1900 and 1910 US Censuses in Buena Vista, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1893), then head of a 8-person household.
Age 17
b. ~1893
Female
Daughter
Born: Illinois
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Buena Vista, Iowa |
| Surname | Olsen |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Occupation | Dressmaker |
| Industry | At Home |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Dressmaker |
| Township / Ward | Elk Township |
| Est. Birth Year | ~1893 |
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.
8 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Olsen | Daughter | — | 17 | ~1893 |
| Andrew Olsen | Son | — | 10 | ~1900 |
| Viola Olsen | Daughter | — | 8 | ~1902 |
| Howard Olsen | Son | — | 7 | ~1903 |
| Maggie Olsen | Spouse | — | 47 | ~1863 |
| Louis Olsen | Son | — | 12 | ~1898 |
| Olga Olsen | Daughter | — | 15 | ~1895 |
| Lars Olsen | Head | — | 55 | ~1855 |
Census Appearances
1900
Buena Vista, …
Daughter, age 8
Buena Vista, Iowa · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | Sep |
| Birth Year | 1892 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Buena Vista, …
Daughter, age 17
Buena Vista, Iowa · implied b. ~1893 — 8 household members
| Surname | Olsen |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Dressmaker |
| Industry | At Home |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 2 US Census years (1900 and 1910) in Buena Vista, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Olsen
Daughter · 1910 · age 17 · b. ~1893 · Iowa
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Sibling
Viola Olsen
Sibling · 1910 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Olsen
Sibling · 1910 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Olga Olsen
Sibling · 1910 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Olsen
Sibling · 1910 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Olsen
Sibling · 1910 · age 12
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
1910 US Federal Census — Buena Vista, Iowa
Open full size
1910 US Federal Census — Buena Vista, Iowa
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po394unit:0040)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Jacobson Joseph H Larson | 20 | Nephew | — | Iowa |
| 52 | Nicholson Ellen Larson | 16 | Servant | Housekeeper | Sweden |
| 53 | Simon Gunderson | 38 | Head | Farmer | Illinois |
| 54 | Harvey Rogers | 36 | Head | Farmer | Iowa |
| 55 | Lecia Rogers | 30 | Wife | — | Iowa |
| 56 | Elmer Rogers | 11 | Son | — | Iowa |
| 57 | Clarence Rogers | 8 | Son | — | Iowa |
| 58 | Eva Rogers | 6 | Daughter | — | Iowa |
| 59 | Laura Rogers | 4 | Daughter | — | Iowa |
| 60 | Albert Rogers | 1 | Son | — | Iowa |
| 61 | Lewis Gleason | 43 | Servant | Farm Labor | Wales |
| 62 | Jim Miller | 43 | Head | Farmer | Denmark |
| 63 | Hazel Miller | 34 | Wife | — | Iowa |
| 64 | Randolph Miller | 15 | Son | Farm Labor | Iowa |
| 65 | Arthur Miller | 14 | Son | Farm Labor | Iowa |
| 66 | Esther Miller | 10 | Daughter | — | Iowa |
| 67 | Ivar E Gunderson | 39 | Head | Farmer | Illinois |
| 68 | Maggie Gunderson | 37 | Wife | — | Illinois |
| 69 | Mabel E Gunderson | 16 | Daughter | — | Iowa |
| 70 | Howard Gunderson | 14 | Son | Farm Labor | Iowa |
| 71 | Irving Gunderson | 12 | Son | — | Iowa |
| 72 | Merit Gunderson | 10 | Son | — | Iowa |
| 73 | Earl Gunderson | 7 | Son | — | Iowa |
| 74 | Arnold Gunderson | 5 | Son | — | Iowa |
| 75 | Lloyd Gunderson | 3 | Son | — | Iowa |
| 76 | Carl Magnuson | 23 | Servant | Farm Labor | Sweden |
| 77 | Ben J Peterson | 40 | Head | Farmer | Sweden |
| 78 | Ida Peterson | 32 | Wife | — | Sweden |
| 79 | Bert E Peterson | 11 | Son | — | Iowa |
| 80 | Hazel E Peterson | 7 | Daughter | — | Iowa |
| 81 | Esther V Peterson | 5 | Daughter | — | Iowa |
| 82 | Raymond L Peterson | 3 | Son | — | Iowa |
| 83 | Ruth E Peterson | 1 | Daughter | — | Iowa |
| 84 | Andrew H Larsen | 50 | Head | Farmer | Sweden |
| 85 | Anna Larsen | 43 | Wife | — | Sweden |
| 86 | Beda Larsen | 13 | Daughter | — | Minnesota |
| 87 | John H Larsen | 11 | Son | — | Iowa |
| 88 | Esther L E Larsen | 8 | Daughter | — | Iowa |
| 89 | Mildred E Larsen | 4 | Daughter | — | Iowa |
| 90 | Lars J Anderson | 81 | Father | Own Income | Sweden |
| 91 | Jens P Jensen | 48 | Head | Farmer | Denmark |
| 92 | Gerrit Hegner | 18 | Guest | Dressmaker | Iowa |
| 93 | Lars Olsen | 55 | Head | Farmer | Denmark |
| 94 | Maggie Olsen | 47 | Wife | — | Denmark |
| 95 | Mary Olsen THIS PERSON | 17 | Daughter | Dressmaker | Illinois |
| 96 | Olga P Olsen | 15 | Daughter | — | Illinois |
| 97 | Louis Olsen | 12 | Son | — | Iowa |
| 98 | Andrew Olsen | 10 | Son | — | Iowa |
| 99 | Viola V Olsen | 8 | Daughter | — | Iowa |
| 100 | Howard W Olsen | 7 | Son | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)