MO
Mary Olsen — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baraga, Michigan
Our Model Tree links this Mary Olsen across the 1930 and 1940 US Censuses in Baraga, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 4
b. ~1926
Female
Daughter
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baraga, Michigan |
| Surname | Olsen |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Norway |
| Mother's Birthplace | Finland |
| Additional Details | |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Baraga Township |
| Est. Birth Year | ~1926 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Agnes Olsen | Daughter | — | 10 | ~1920 |
| Daniel Olsen | Son | — | 7 | ~1923 |
| Olaf Olsen | Head | — | 49 | ~1881 |
| Amanda Olsen | Other | — | 34 | ~1896 |
| Edith Olsen | Daughter | — | 11 | ~1919 |
| Sarah Olsen | Daughter | — | 9 | ~1921 |
| Robert Olsen | Son | — | 3 | ~1927 |
| James Olsen | Son | — | 13 | ~1917 |
| Mary Olsen | Daughter | — | 4 | ~1926 |
Census Appearances
1930
Baraga, Michigan
Daughter, age 4
Baraga, Michigan · implied b. ~1926 — 9 household members
| Surname | Olsen |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Norway |
| Mother's Birthplace | Finland |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
Daughter, age 14
Baraga-County, Michigan · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Baraga |
| Highest Grade | 8 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Olsen
Daughter · 1930 · age 4 · b. ~1926 · Michigan
★ You are viewing this record
Sibling
Agnes Olsen
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Olsen
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Olsen
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Olsen
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Olsen
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Olsen
Sibling · 1930 · age 9
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
1930 US Federal Census — Baraga, Michigan
Open full size
1930 US Federal Census — Baraga, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel972:0368)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lowell T. Besander | 19 | Son | Laborer | Michigan |
| 52 | August Pohto | 45 | Head | Farmer | Finland |
| 53 | Hannah Pohto | 43 | Wife-H | — | Finland |
| 54 | Carl R. Pohto | 16 | Son | — | Montana |
| 55 | Eunice L. Pohto | 14 | Daughter | — | Michigan |
| 56 | Matt Aho | 68 | Head | Farmer | Finland |
| 57 | Amanda Aho | 67 | Wife-H | — | Finland |
| 58 | Victor M. Aho | 40 | Son | Laborer | Finland |
| 59 | Edward Pelto | 50 | Head | Farmer | Finland |
| 60 | Senni M. Pelto | 42 | Wife-H | — | Finland |
| 61 | Alfred N. Pelto | 26 | Son | Laborer | Michigan |
| 62 | Walter W. Pelto | 24 | Son | Laborer | Michigan |
| 63 | August E. Pelto | 18 | Son | Laborer | Michigan |
| 64 | Hilma R. Pelto | 15 | Daughter | — | Michigan |
| 65 | Helga E. Pelto | 12 | Daughter | — | Michigan |
| 66 | Urho L. Pelto | 9 | Son | — | Michigan |
| 67 | Toini M. Pelto | 6 | Daughter | — | Michigan |
| 68 | Mary S. Pelto | 86 | Mother | — | Finland |
| 69 | Matt W. Lehtinen | 22 | Nephew | Laborer | Michigan |
| 70 | Wilma M. Lehtinen | 14 | Niece | — | Michigan |
| 71 | Arthur H. Walikainen | 18 | Boarder | Laborer | Michigan |
| 72 | Hilma S. Lehtinen | 58 | Sister | — | Finland |
| 73 | Albert E. Vincent | 39 | Head | Farmer | England |
| 74 | Jane Bebonier | 76 | Mother-in-law | — | England |
| 75 | Olaf O. Olsen | 49 | Head | Farmer | Norway |
| 76 | Amanda Olsen | 34 | Wife-H | — | Finland |
| 77 | James E. Olsen | 13 | Son | — | Michigan |
| 78 | Edith H. Olsen | 11 | Daughter | — | Michigan |
| 79 | Agnes E. Olsen | 10 | Daughter | — | Michigan |
| 80 | Sarah E. Olsen | 9 | Daughter | — | Michigan |
| 81 | Daniel H. Olsen | 7 | Son | — | Michigan |
| 82 | Mary A. Olsen THIS PERSON | 4 | Daughter | — | Michigan |
| 83 | Robert B. Olsen | 3 | Son | — | Michigan |
| 84 | John Lehto | 60 | Head | Farmer | Finland |
| 85 | Earl W. Wheeler | 27 | Son-in-law | Farmer | Indiana |
| 86 | Linda M. Wheeler | 26 | Daughter | — | Michigan |
| 87 | Bert W. Tyin | 41 | Head | Farmer | Finland |
| 88 | Hulda Seppala | 64 | Servant | Laborer | Finland |
| 89 | Sulo W. Tyin | 14 | Son | — | Michigan |
| 90 | Toivo E. Tyin | 11 | Son | — | Michigan |
| 91 | John Kummoney | 76 | Head | Farmer | Canada-English |
| 92 | Sophia Kummoney | 59 | Wife-H | — | Finland |
| 93 | John R. Kummoney | 23 | Son | Laborer | Michigan |
| 94 | John G. Erickson | 58 | Head | Farmer | Sweden |
| 95 | Lydia Erickson | 44 | Wife-H | — | Finland |
| 96 | Arthur R. Erickson | 26 | Son | Auto Mechanic | Michigan |
| 97 | Myra E. Erickson | 23 | Daughter | — | Michigan |
| 98 | John R. E. Erickson | 21 | Son | Truck Driver | Michigan |
| 99 | Walter E. A. Erickson | 19 | Son | — | Michigan |
| 100 | August Erickson | 71 | Brother | Laborer | Sweden |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)