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Mary Brewer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Indiana
Our Model Tree links this Mary Brewer across the 1930 and 1940 US Censuses in Delaware-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1906), then head of a 9-person household.
Age 34
b. ~1906
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Indiana |
| Surname | Brewer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Muncie City |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | House work |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 100 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | House Work |
| Township / Ward | Muncie City |
| Est. Birth Year | ~1906 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lavonne Brewer | Daughter | — | 25 | ~1915 |
| Donald Brewer | Son | — | 15 | ~1925 |
| Mary Brewer | Daughter | — | 34 | ~1906 |
| Robert Brewer | Son | — | 18 | ~1922 |
| Arpha Brewer | Daughter | — | 13 | ~1927 |
| Diana Brewer | Daughter | — | 20 | ~1920 |
| May Brewer | Spouse | — | 54 | ~1886 |
| Sam Brewer | Head | — | 63 | ~1877 |
| Reba Brewer | Daughter | — | 23 | ~1917 |
Census Appearances
1930
Delaware, Indiana
Other, age 22
Delaware, Indiana · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brewer |
| Given Name | Mary |
| Relationship to Head | Roomer |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Coil Winder |
| Industry | Delco Remy |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Delaware-County, Indiana
Daughter, age 34
Delaware-County, Indiana · implied b. ~1906 — 9 household members
| Surname | Brewer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Muncie City |
| 1935 Residence (County) | Delaware |
| Occupation | House work |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 100 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Brewer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Brewer
Daughter · 1940 · age 34 · b. ~1906 · Indiana
★ You are viewing this record
Sibling
Robert Brewer
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Diana Brewer
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Brewer
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lavonne Brewer
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Reba Brewer
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arpha Brewer
Sibling · 1940 · age 13
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 — Delaware-County, Indiana
Open full size
1940 US Federal Census — Delaware-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01038-00344)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jeannette Fullhart | 19 | ward | Book Keeper | Arkansas |
| 2 | Michael Flaherty | 65 | Head | Watchman | Indiana |
| 3 | Isabel Flaherty | 53 | Wife | — | Iowa |
| 4 | F. Robert Flaherty | 21 | Son | Tester | Indiana |
| 5 | William C. Flaherty | 20 | Son | Paper Carrier | Indiana |
| 6 | Jennie O'Brien | 74 | Mother in law | — | Vermont |
| 7 | Charles C. Bray | 69 | Head | — | Indiana |
| 8 | Minnie S. Bray | 66 | Wife | — | West Virginia |
| 9 | Sam Brewer | 63 | Head | Laborer | Missouri |
| 10 | May Brewer | 54 | Wife | — | Indiana |
| 11 | Mary Brewer THIS PERSON | 34 | Daughter | House Work | Indiana |
| 12 | Lavonne Brewer | 25 | Daughter | Rubber Department | Indiana |
| 13 | Reba Brewer | 23 | Daughter | Typist Clerical | Indiana |
| 14 | Diana Brewer | 20 | Daughter | Packing & Shell Department | Indiana |
| 15 | Robert Brewer | 18 | Son | — | Indiana |
| 16 | Donald Brewer | 15 | Son | — | Indiana |
| 17 | Arpha Brewer | 13 | Daughter | — | Indiana |
| 18 | Dewey Mcclelland | 41 | Head | Machine Operator | Indiana |
| 19 | Jewell Mcclelland | 32 | Wife | — | Kentucky |
| 20 | Kenneth Mcclelland | 19 | Son | Shipping Department | Indiana |
| 21 | Catherine Mcclelland | 15 | Daughter | — | Indiana |
| 22 | Betty Ruth Mcclelland | 15 | Daughter | — | Indiana |
| 23 | Maxine Mcclelland | 11 | Daughter | — | Indiana |
| 24 | Robert Mcclelland | 9 | Son | — | Indiana |
| 25 | Clifford Mcclelland | 7 | Son | — | Indiana |
| 26 | John Franklin Mcclelland | 5 | Son | — | Indiana |
| 27 | Theodore Mcclelland | 1 | Son | — | Indiana |
| 28 | William Brophy | 40 | Head | Machine Operator | Kentucky |
| 29 | Ruth Brophy | 32 | Wife | — | Kentucky |
| 30 | William Brophy | 13 | Son | — | Indiana |
| 31 | Helen Brophy | 11 | Daughter | — | Indiana |
| 32 | Harriette E. Aldrich | 76 | Head | — | Illinois |
| 33 | Grace M. Drinko | 26 | Head | Glass Sorter | Tennessee |
| 34 | Jesse Vannatta | 50 | Head | Laborer | Indiana |
| 35 | Nancy Pearl Vannatta | 43 | Wife | Packing Books | Indiana |
| 36 | Cecil Cornwell | 28 | Head | Laborer | Kentucky |
| 37 | Carmen Cornwell | 21 | Wife | — | Indiana |
| 38 | Mae Ewing | 36 | Head | Cook | Indiana |
| 39 | Earl Ewing | 13 | Son | — | Indiana |
| 40 | Charles Wright | 29 | Head | Painter | Indiana |
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)