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Mary Osborn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Osborn across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Osborn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Packer |
| Industry | Bakery |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 496 |
| Highest Grade | H 3 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Packer |
| Township / Ward | Chicago 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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thomas Osborn | Son | — | 21 | ~1919 |
| Patrick Osborn | Son | — | 23 | ~1917 |
| Mary Osborn | Spouse | — | 49 | ~1891 |
| Irene Osborn | Daughter | — | 17 | ~1923 |
| Alice Osborn | Daughter | — | 9 | ~1931 |
| Edward Osborn | Head | — | 54 | ~1886 |
| Edward Osborn | Son | — | 24 | ~1916 |
| Mary Osborn | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Cook, Illinois
Daughter, age 9
Cook, Illinois · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Osborn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 19
Cook-County, Illinois · implied b. ~1921 — 8 household members
| Surname | Osborn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Packer |
| Industry | Bakery |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 496 |
| Highest Grade | H 3 |
| 1935 Residence | Same House |
| 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 Osborn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Osborn
Daughter · 1940 · age 19 · b. ~1921 · Illinois
★ You are viewing this record
Sibling
Irene Osborn
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Osborn
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Osborn
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Osborn
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Osborn
Sibling · 1940 · age 23
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
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00949-00713)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John H. Gerking | 54 | Head | Saloon Keeper | Hungary |
| 2 | Rose Gerking | 52 | Wife | Porter | Hungary |
| 3 | Edward Gerking | 26 | Son | Truck Driver | Illinois |
| 4 | Harry Sr. Gerking | 28 | Head | Salesman | Illinois |
| 5 | Eleanor Gerking | 24 | Wife | 0 | Illinois |
| 6 | Harry Jr. Gerking | 5 | Son | — | Illinois |
| 7 | Eleanor Gerking | 3 | Daughter | — | Illinois |
| 8 | Joseph Sr. Gallitz | 51 | Head | Air Man | Austria |
| 9 | Rose Gallitz | 50 | Wife | 0 | Austria |
| 10 | Joseph Jr. Gallitz | 12 | Son | — | Illinois |
| 11 | John D. Hunter | 28 | Head | Floorman | Illinois |
| 12 | Joann Hunter | 23 | Wife | 0 | Illinois |
| 13 | John J. Maher | 60 | Head | 0 | Illinois |
| 14 | Cecile Maher | 58 | Wife | 0 | Missouri |
| 15 | Daniel Sr. Leahy | 29 | Head | Cutter | Illinois |
| 16 | Rose Leahy | 26 | Wife | 0 | Illinois |
| 17 | Daniel Jr. Leahy | 4 | Son | — | Illinois |
| 18 | Edward Sr. Osborn | 54 | Head | Boiler Maker | Illinois |
| 19 | Mary Osborn | 49 | Wife | 0 | Illinois |
| 20 | Edward Jr. Osborn | 24 | Son | Freight Handler | Illinois |
| 21 | Patrick Osborn | 23 | Son | Truck Driver | Illinois |
| 22 | Thomas Osborn | 21 | Son | Mail Carrier | Illinois |
| 23 | Mary Osborn THIS PERSON | 19 | Daughter | Packer | Illinois |
| 24 | Irene Osborn | 17 | Daughter | New Worker | Illinois |
| 25 | Alice Osborn | 9 | Daughter | — | Illinois |
| 26 | William Craig | 34 | Head | Laborer | Maryland |
| 27 | Marie Craig | 26 | Wife | 0 | Illinois |
| 28 | Marvin Craig | 4 | Son | — | Illinois |
| 29 | Lillian Craig | 3 | Daughter | — | Illinois |
| 30 | Dorothy Craig | 2 | Daughter | — | Illinois |
| 31 | Helen Craig | 0 | Daughter | — | Illinois |
| 32 | Frank Buckler | 30 | Head | Motorman | Illinois |
| 33 | Bertha Buckler | 29 | Wife | Nurse | Sweden |
| 34 | Edward Buckler | 28 | Head | Conductor | Illinois |
| 35 | Alice Buckler | 27 | Wife | Operator | Illinois |
| 36 | Anthon Forbach | 51 | Head | Car Repair | Jugoslavia |
| 37 | Rose Forbach | 41 | Wife | 0 | Jugoslavia |
| 38 | Edward Forbach | 16 | Son | 0 | Illinois |
| 39 | Marion Forbach | 11 | Daughter | 0 | Illinois |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)