MS
Mary Shaffer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Indiana
Our Model Tree links this Mary Shaffer across the 1930 and 1940 US Censuses in Delaware-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 10-person household.
Age 18
b. ~1922
Female
Daughter
Born: INDIANA
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Indiana |
| Surname | SHAFFER |
| Given Name | MARY E |
| Relationship to Head | DAUGHTER |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | INDIANA |
| 1935 Residence (City) | MUNCIE |
| 1935 Residence (County) | DELAWARE |
| Additional Details | |
| Occupation | HOUSE KEEPER |
| Industry | PRIVATE FAMILY |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 260 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Housekeeper |
| Township / Ward | Muncie |
| Est. Birth Year | ~1922 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Shaffer | Daughter | — | 18 | ~1922 |
| Georgie Shaffer | Daughter | — | 14 | ~1926 |
| Donald Shaffer | Son | — | 13 | ~1927 |
| Bessie Shaffer | Daughter | — | 20 | ~1920 |
| Margie Shaffer | Daughter | — | 11 | ~1929 |
| James Shaffer | Son | — | 21 | ~1919 |
| Florence Shaffer | Spouse | — | 51 | ~1889 |
| Lowell Shaffer | Son | — | 4 | ~1936 |
| Robie Shaffer | Head | — | 54 | ~1886 |
| Richard Shaffer | Son | — | 8 | ~1932 |
Census Appearances
1930
Delaware, Indiana
Daughter, age 8
Delaware, Indiana · implied b. ~1922 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shafer |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Delaware-County, Indiana
Daughter, age 18
Delaware-County, Indiana · implied b. ~1922 — 10 household members
| Surname | SHAFFER |
| Given Name | MARY E |
| Relationship to Head | DAUGHTER |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | INDIANA |
| 1935 Residence (City) | MUNCIE |
| 1935 Residence (County) | DELAWARE |
| Occupation | HOUSE KEEPER |
| Industry | PRIVATE FAMILY |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 260 |
| Highest Grade | H 4 |
| 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 Shaffer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Shaffer
Daughter · 1940 · age 18 · b. ~1922 · Indiana
★ You are viewing this record
Sibling
Margie Shaffer
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Shaffer
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lowell Shaffer
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Shaffer
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Shaffer
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Shaffer
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Georgie Shaffer
Sibling · 1940 · age 14
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-t0627-01037-00262)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robie Shaffer | 54 | HEAD | Clerk | INDIANA |
| 42 | Florence Shaffer | 51 | WIFE | — | INDIANA |
| 43 | James Shaffer | 21 | SON | Laborer | INDIANA |
| 44 | Bessie Shaffer | 20 | DAUGHTER | Telephone Operator | INDIANA |
| 45 | Mary E Shaffer THIS PERSON | 18 | DAUGHTER | House Keeper | INDIANA |
| 46 | Georgie Ann Shaffer | 14 | DAUGHTER | — | INDIANA |
| 47 | Donald P Shaffer | 13 | SON | — | INDIANA |
| 48 | Margie Shaffer | 11 | DAUGHTER | — | INDIANA |
| 49 | Richard L Shaffer | 8 | SON | — | INDIANA |
| 50 | Lowell Shaffer | 4 | SON | — | INDIANA |
| 51 | Lewis Carbaugh | 47 | HEAD | Steel Worker | VIRGINIA |
| 52 | Uva Carbaugh | 42 | WIFE | — | VIRGINIA |
| 53 | Marciele Carbaugh | 18 | DAUGHTER | — | VIRGINIA |
| 54 | Maxine Carbaugh | 14 | DAUGHTER | — | INDIANA |
| 55 | Lewis Jr Carbaugh | 12 | SON | — | INDIANA |
| 56 | Rebecca Carbaugh | 2 | DAUGHTER | — | INDIANA |
| 57 | Lawrence Lewis Brandon | 42 | HEAD | Carpenter | INDIANA |
| 58 | Oneda Brandon | 36 | WIFE | — | INDIANA |
| 59 | Robert C Brandon | 14 | SON | — | INDIANA |
| 60 | Kenneth F Brandon | 8 | SON | — | INDIANA |
| 61 | Donald Wall | 33 | HEAD | Buffer | INDIANA |
| 62 | Luella Wall | 23 | WIFE | Clerk | INDIANA |
| 63 | Sherman Delainey | 40 | HEAD | — | INDIANA |
| 64 | Elizabeth Delainey | 37 | WIFE | — | INDIANA |
| 65 | Clyde A Schultz | 35 | HEAD | Coremaker | INDIANA |
| 66 | Kathryn Schultz | 32 | WIFE | — | INDIANA |
| 67 | Johnie Schultz | 9 | SON | — | INDIANA |
| 68 | Linda Tay Schultz | 1 | DAUGHTER | — | INDIANA |
| 69 | Charles D Fouts | 48 | HEAD | Time Checker | INDIANA |
| 70 | Hazel E Fouts | 46 | WIFE | — | INDIANA |
| 71 | Charline E Fouts | 23 | DAUGHTER | — | INDIANA |
| 72 | Joseph C Ab Fouts | 19 | SON | — | INDIANA |
| 73 | Lloyd S Fouts | 17 | SON | — | INDIANA |
| 74 | Paul D Fouts | 7 | SON | — | INDIANA |
| 75 | James H Fouts | 3 | SON | — | INDIANA |
| 76 | Cora Davis | 13 | HOUSE KEEPER | Housekeeper | INDIANA |
| 77 | Ernest L Fouts | 25 | HEAD | Machinist | INDIANA |
| 78 | Alta Fouts | 21 | WIFE | — | OHIO |
| 79 | Roth Ann Fouts | 3 | DAUGHTER | — | INDIANA |
| 80 | Ernest L Fouts | 0 | SON | — | 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)