MO
Mary Olson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this Mary Olson across the 1930 and 1940 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.
Age 9
b. ~1921
Female
Daughter
Born: Minnesota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | Olson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1921 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Robert Olson | Son | — | 10 | ~1920 |
| Jane Olson | Spouse | — | 36 | ~1894 |
| Elmer Olson | Head | — | 36 | ~1894 |
| Betty Olson | Daughter | — | 3 | ~1927 |
| Richard Olson | Son | — | 5 | ~1925 |
| Mary Olson | Daughter | — | 9 | ~1921 |
| Jack Olson | Son | — | 1 | ~1929 |
| Willard Olson | Other | — | 26 | ~1904 |
Census Appearances
1930
Wayne, Michigan
Daughter, age 9
Wayne, Michigan · implied b. ~1921 — 8 household members
| Surname | Olson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
Daughter, age 18
Wayne-County, Michigan · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Olson
Daughter · 1930 · age 9 · b. ~1921 · Michigan
★ You are viewing this record
Sibling
Jack Olson
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Olson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Olson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Olson
Sibling · 1930 · age 3
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 — Wayne, Michigan
Open full size
1930 US Federal Census — Wayne, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel1054:0985)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Purdow | 25 | Head | Attendant | Canada English |
| 2 | Wilda Purdow | 19 | Wife | — | Michigan |
| 3 | Anita Purdow | 2 | Daughter | — | Michigan |
| 4 | William Narr | 41 | Head | Carpenter | Michigan |
| 5 | Marie Narr | 41 | Wife | Helper | Wisconsin |
| 6 | Deno Narr | 18 | Son | — | Michigan |
| 7 | Curtis Narr | 16 | Son | — | Minnesota |
| 8 | Helen Narr | 13 | Daughter | — | Minnesota |
| 9 | Esther Narr | 11 | Daughter | — | Wisconsin |
| 10 | Robert Narr | 6 | Son | — | Wisconsin |
| 11 | Joyce Narr | 2 | Daughter | — | Wisconsin |
| 12 | David Lank | 34 | Head | Presser | Russia |
| 13 | Rae Lank | 28 | Wife | — | Russia |
| 14 | Lee Brown | 30 | Head | Electrician | Arkansas |
| 15 | Marie Brown | 27 | Wife | — | Italy |
| 16 | William O. Engler | 35 | Head | Inspector | Germany |
| 17 | Margaret M. Engler | 25 | Wife | — | Scotland |
| 18 | Charles Engler | 3 | Son | — | Michigan |
| 19 | Elmer Olson | 36 | Head | Laborer | Minnesota |
| 20 | Jane Olson | 36 | Wife | — | Minnesota |
| 21 | Robert Olson | 10 | Son | — | Minnesota |
| 22 | Mary Olson THIS PERSON | 9 | Daughter | — | Minnesota |
| 23 | Richard Olson | 5 | Son | — | Michigan |
| 24 | Betty M. Olson | 3 | Daughter | — | Michigan |
| 25 | Jack Olson | 1 | Son | — | Michigan |
| 26 | Willard G. Olson | 26 | Brother | Installer | Minnesota |
| 27 | William Powell | 26 | Head | Office Clerk | Alabama |
| 28 | Marion Powell | 21 | Wife | — | Pennsylvania |
| 29 | Richard Mccallum | 23 | Head | Proprietor | Canada English |
| 30 | Ida E. Mccallum | 26 | Wife | — | Canada English |
| 31 | Herbert Reinbecker | 25 | Boarder | Carpenter | Canada English |
| 32 | Thelma Reinbecker | 24 | Boarder | — | Canada English |
| 33 | William Mccallum | 37 | Head | Time Keeper | Scotland |
| 34 | Mary Mccallum | 41 | Wife | — | Scotland |
| 35 | Mary Mccallum | 4 | Daughter | — | Scotland |
| 36 | Jane G. Mccallum | 3 | Daughter | — | Michigan |
| 37 | Tony Muroni | 26 | Head | Laborer | Italy |
| 38 | Rose Muroni | 22 | Wife | — | Michigan |
| 39 | Mary Muroni | 5 | Daughter | — | Michigan |
| 40 | Henry Mastrobatra | 34 | Head | Laborer | Italy |
| 41 | Amelia Mastrobatra | 30 | Wife | — | Italy |
| 42 | Aldo Mastrobatra | 5 | Son | — | Michigan |
| 43 | St. Larry Mastrobatra | 3 | Son | — | Michigan |
| 44 | Martin De France | 36 | Head | Steam Engineer | Kansas |
| 45 | Nellie M. De France | 36 | Wife | — | Texas |
| 46 | Nellie L. De France | 14 | Daughter | — | Canada English |
| 47 | Betty J. De France | 12 | Daughter | — | Kansas |
| 48 | George W. De France | 31 | Brother | Mechanic | Kansas |
| 49 | Ina E. West | 50 | Boarder | Seamstress | Michigan |
| 50 | Abramo Brama | 41 | Head | Carpenter | Italy |
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)