MO
Mary Olsen — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Pottawattamie, Iowa
Our Model Tree links this Mary Olsen across the 1900 and 1910 US Censuses in Pottawattamie, Iowa (XGBoost, ~Confirmed) — first a head (b.~1852), then head of a 9-person household.
Age 58
b. ~1852
Female
Head
Born: Denmark
Widowed
1910 Census Record Details
| Census Year | 1910 |
| Location | Pottawattamie, Iowa |
| Surname | Olsen |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Denmark |
| Children Born | 8 |
| Children Living | 8 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
| Occupation | Farmer |
| Township / Ward | York Township |
| Est. Birth Year | ~1852 |
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.
9 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Henry Olsen | Son | — | 22 | ~1888 |
| Ernest Boyd | Other | — | 23 | ~1887 |
| Robert Butler | Other | — | 17 | ~1893 |
| Dagmar Olsen | Daughter | — | 17 | ~1893 |
| Sophia Olsen | Daughter | — | 34 | ~1876 |
| Gerda Olsen | Daughter | — | 10 | ~1900 |
| Mary Olsen | Head | — | 58 | ~1852 |
| Alice Olsen | Daughter | — | 27 | ~1883 |
| Edward Olsen | Son | — | 14 | ~1896 |
Census Appearances
1900
Pottawattamie, Iowa
Spouse, age 48
Pottawattamie, Iowa · implied b. ~1852 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Denmark |
| Birth Month | Jan |
| Birth Year | 1852 |
| Year of Immigration | 1873 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1910
Pottawattamie, Iowa
Head, age 58
Pottawattamie, Iowa · implied b. ~1852 — 9 household members
| Surname | Olsen |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Denmark |
| Children Born | 8 |
| Children Living | 8 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
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 Pottawattamie, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Olsen
Head · 1910 · age 58 · b. ~1852 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1910 US Federal Census — Pottawattamie, Iowa
Open full size
1910 US Federal Census — Pottawattamie, Iowa
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po420unit:1504)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Olsen THIS PERSON | 58 | Head | Farmer | Denmark |
| 2 | Sophia Olsen | 34 | Daughter | Farm Laborer | Iowa |
| 3 | Alice Olsen | 27 | Daughter | Farm Laborer | Iowa |
| 4 | Henry Olsen | 22 | Son | Farm Laborer | Iowa |
| 5 | Dagmar Olsen | 17 | Daughter | — | Iowa |
| 6 | Edward Olsen | 14 | Son | — | Iowa |
| 7 | Gerda Olsen | 10 | Daughter | — | Iowa |
| 8 | Robert Butler | 17 | Laborer | Farm Laborer | Oklahoma |
| 9 | Ernest Boyd | 23 | Laborer | Farm Laborer | Nebraska |
| 10 | Hans P. Nielsen | 52 | Head | Farmer | Denmark |
| 11 | Christina Nielsen | 61 | Wife | — | Denmark |
| 12 | Peter Lassen | 34 | Head | Farmer | Denmark |
| 13 | Jochum Schumacher | 60 | Head | Farmer | Denmark |
| 14 | Anna Schumacher | 24 | Wife | — | Iowa |
| 15 | Marie Schumacher | 6 | Daughter | — | Iowa |
| 16 | Soren Schumacher | 4 | Son | — | South Dakota |
| 17 | Elsie Schumacher | 1 | Daughter | — | Iowa |
| 18 | Thomas Grace | 65 | Head | Farmer | Ireland |
| 19 | Susan Grace | 54 | Wife | — | Iowa |
| 20 | Agnes Grace | 26 | Daughter | — | Iowa |
| 21 | Lilla Grace | 22 | Daughter | — | Iowa |
| 22 | George W. Grace | 19 | Son | Farm Laborer | Iowa |
| 23 | Margaret Grace | 17 | Daughter | — | Iowa |
| 24 | Thomas Grace | 15 | Son | Farm Laborer | Iowa |
| 25 | Ida Grace | 10 | Daughter | — | Iowa |
| 26 | Elizabeth Reinke | 78 | Mother | — | Pennsylvania |
| 27 | Henry Handke | 48 | Head | Farmer | Germany |
| 28 | Freda Handke | 43 | Wife | — | Germany |
| 29 | Albert Handke | 21 | Son | Farm Laborer | Iowa |
| 30 | Gustaph Handke | 20 | Son | Farm Laborer | Iowa |
| 31 | Adolph Handke | 18 | Son | — | Iowa |
| 32 | Henry Handke | 16 | Son | — | Iowa |
| 33 | Olga Handke | 16 | Daughter | — | Iowa |
| 34 | Fred Handke | 14 | Son | — | Iowa |
| 35 | Ida Handke | 12 | Daughter | — | Iowa |
| 36 | William Handke | 10 | Son | — | Iowa |
| 37 | Walter Handke | 8 | Son | — | Iowa |
| 38 | Alma Handke | 5 | Daughter | — | Iowa |
| 39 | Peter Mortensen | 49 | Head | Farmer | Denmark |
| 40 | Anna Mortensen | 40 | Wife | — | Denmark |
| 41 | Clarence Mortensen | 15 | Son | — | Iowa |
| 42 | Freddie Mortensen | 4 | Son | — | Iowa |
| 43 | Lars Peterson | 44 | Head | Farmer | Denmark |
| 44 | Marie Peterson | 42 | Wife | — | Denmark |
| 45 | Christina Peterson | 12 | Daughter | — | Iowa |
| 46 | William Peterson | 10 | Son | — | Iowa |
| 47 | Mamie Peterson | 7 | Daughter | — | Iowa |
| 48 | Paul Peterson | 5 | Son | — | Iowa |
| 49 | Emma Peterson | 2 | Daughter | — | Iowa |
| 50 | Nels Peter Nelson | 26 | Boarder | Farm Laborer | Denmark |
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)