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Mary Olsen — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Bannock, Idaho
Our Model Tree links this Mary Olsen across the 1920 and 1930 US Censuses in Bannock, Idaho (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 6-person household.
Age 14
b. ~1916
Female
Daughter
Born: Idaho
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Bannock, Idaho |
| Surname | Olsen |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Idaho |
| Mother's Birthplace | Idaho |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Arimo Village |
| Est. Birth Year | ~1916 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thelma Olsen | Daughter | — | 10 | ~1920 |
| W Olsen | Head | — | 52 | ~1878 |
| Luella Olsen | Spouse | — | 44 | ~1886 |
| Ione Olsen | Daughter | — | 16 | ~1914 |
| Mary Olsen | Daughter | — | 14 | ~1916 |
| Lois Olsen | Daughter | — | 18 | ~1912 |
Census Appearances
1920
Bannock, Idaho
Daughter, age 4
Bannock, Idaho · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Idaho |
| Mother's Birthplace | Idaho |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Bannock, Idaho
Daughter, age 14
Bannock, Idaho · implied b. ~1916 — 6 household members
| Surname | Olsen |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Idaho |
| Mother's Birthplace | Idaho |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 (1920 and 1930) in Bannock, Idaho, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Olsen
Daughter · 1930 · age 14 · b. ~1916 · Idaho
★ You are viewing this record
Sibling
Thelma Olsen
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Olsen
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ione Olsen
Sibling · 1930 · age 16
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 — Bannock, Idaho
Open full size
1930 US Federal Census — Bannock, Idaho
Page Contents
50 people indexed on this census page (ia:1930:15thcensus396unit:0519)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joan Henderson | 0 | daughter | — | Idaho |
| 2 | W. Ford Olsen | 52 | Head | Teacher | Idaho |
| 3 | Luella H. Olsen | 44 | wife | — | Idaho |
| 4 | Lois Olsen | 18 | daughter | — | Idaho |
| 5 | Ione Olsen | 16 | daughter | — | Idaho |
| 6 | Mary Olsen THIS PERSON | 14 | daughter | — | Idaho |
| 7 | Thelma Olsen | 10 | daughter | — | Idaho |
| 8 | Horace E. George | 37 | Head | Laborer | Utah |
| 9 | Annie M. George | 24 | wife | — | Utah |
| 10 | Beverly A. George | 1 | daughter | — | Idaho |
| 11 | William Jenkins | 88 | Head | — | Wales |
| 12 | Martha J. Jenkins | 76 | wife | — | Utah |
| 13 | Mabel Evans | 49 | Head | Proprietress | Idaho |
| 14 | Byron Evans | 23 | son | Laborer | Idaho |
| 15 | William J. Evans | 20 | son | Laborer | Idaho |
| 16 | Burnett Evans | 18 | son | Laborer | Idaho |
| 17 | Elsie Allermand | 22 | boarder | Teacher | Utah |
| 18 | Jessie Richards | 23 | boarder | Teacher | Illinois |
| 19 | Edna Pederson | 25 | boarder | Teacher | Utah |
| 20 | Gordon Williamson | 50 | Head | Proprietor | England |
| 21 | Lydia Williamson | 47 | wife | — | England |
| 22 | Harold Williamson | 10 | son | — | Utah |
| 23 | James H. Gunter | 45 | Head | Laborer | North Carolina |
| 24 | Zelma C. Gunter | 31 | wife | — | Georgia |
| 25 | James H. Jr. Gunter | 8 | son | — | Georgia |
| 26 | Carrie E. Gunter | 5 | daughter | — | Georgia |
| 27 | George W. Gunter | 3 | son | — | Idaho |
| 28 | Mary A. Gunter | 2 | daughter | — | Idaho |
| 29 | Lula B. Welch | 41 | Head | Housekeeper | Georgia |
| 30 | Robert Welch | 16 | son | — | Georgia |
| 31 | Clarence Welch | 15 | son | — | Georgia |
| 32 | J. Henry Welch | 13 | son | — | Georgia |
| 33 | Frank Welch | 11 | daughter | — | Georgia |
| 34 | Verna Welch | 7 | daughter | — | Georgia |
| 35 | Blanche Welch | 4 | daughter | — | Georgia |
| 36 | Frank Bowman | 49 | Head | Teamster | United States |
| 37 | Ethel Bowman | 37 | wife | — | England |
| 38 | Merlin Bowman | 17 | son | — | Idaho |
| 39 | Lavon Bowman | 15 | daughter | — | Idaho |
| 40 | Gwen Bowman | 11 | daughter | — | Idaho |
| 41 | Dora Bowman | 7 | daughter | — | Idaho |
| 42 | Dennis Bowman | 5 | son | — | Idaho |
| 43 | Minnie Myers | 51 | Head | Housekeeper | North Carolina |
| 44 | Hansford Myers | 15 | son | — | Idaho |
| 45 | Mary Myers | 9 | daughter | — | Arkansas |
| 46 | Fred Howe | 45 | Head | Janitor | England |
| 47 | Rebecca Howe | 43 | wife | — | Utah |
| 48 | Clarence J. Howe | 20 | son | Laborer | Utah |
| 49 | Mathew J. Howe | 17 | son | — | Utah |
| 50 | Arvilla Howe | 15 | daughter | — | Utah |
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)