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Mary Bates — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Mary Bates across the 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 12-person household.
Age 12
b. ~1928
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Bates |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Highest Grade | G 6 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1928 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Bates | Daughter | — | 12 | ~1928 |
| Deloris Bates | Daughter | — | 11 | ~1929 |
| Elizabeth Bates | Daughter | — | 1 | ~1939 |
| Dorothy Bates | Daughter | — | 5 | ~1935 |
| Leonard Bates | Head | — | 39 | ~1901 |
| Paul Bates | Son | — | 4 | ~1936 |
| Patrick Bates | Son | — | 1 | ~1939 |
| Daniel Bates | Son | — | 3 | ~1937 |
| Robert Bates | Son | — | 8 | ~1932 |
| Michael Bates | Son | — | 7 | ~1933 |
| Leonard Bates | Son | — | 10 | ~1930 |
| Margaret Bates | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Marion, Indiana
Daughter, age 2
Marion, Indiana · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bates |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Daughter, age 12
Marion-County, Indiana · implied b. ~1928 — 12 household members
| Surname | Bates |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Highest Grade | G 6 |
| 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 Bates across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Bates
Daughter · 1940 · age 12 · b. ~1928 · Indiana
★ You are viewing this record
Sibling
Dorothy Bates
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Deloris Bates
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Bates
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Bates
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Bates
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Bates
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Bates
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Bates
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Bates
Sibling · 1940 · age 4
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01129-00510)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry Zion | 64 | Head | Grease Presser | Indiana |
| 42 | Lelia Zion | 65 | Wife | — | Maryland |
| 43 | Vernon Chapman | 24 | Head | Electrician Helper | Kentucky |
| 44 | Irene Chapman | 22 | Wife | — | Kentucky |
| 45 | Mozelle Chapman | 5 | daughter | — | Kentucky |
| 46 | Dennis Chapman | 4 | son | — | Kentucky |
| 47 | Ray Foreman | 46 | Head | Clerical Work | Indiana |
| 48 | Josephine Foreman | 42 | wife | — | Indiana |
| 49 | Catherine Foreman | 21 | daughter | Pbx Operator | Indiana |
| 50 | Charles Foreman | 16 | son | — | Indiana |
| 51 | Henry M. Underwood | 42 | Head | Carpenter | Indiana |
| 52 | Josephine Underwood | 48 | wife | — | Pennsylvania |
| 53 | Henry Jr. Underwood | 14 | son | — | Indiana |
| 54 | Harry Borman | 52 | Head | Own Business | Russia |
| 55 | Sara Borman | 50 | wife | Clerk | Indiana |
| 56 | William Borman | 19 | son | — | Indiana |
| 57 | Marvin Borman | 16 | son | — | Indiana |
| 58 | Leonard Bates | 39 | Head | File Clerk | Indiana |
| 59 | Margaret Bates | 35 | wife | — | Indiana |
| 60 | Mary Bates THIS PERSON | 12 | daughter | — | Indiana |
| 61 | Deloris Bates | 11 | daughter | — | Indiana |
| 62 | Leonard Jr. Bates | 10 | son | — | Indiana |
| 63 | Robert Bates | 8 | son | — | Indiana |
| 64 | Michael Bates | 7 | son | — | Indiana |
| 65 | Dorothy Bates | 5 | daughter | — | Indiana |
| 66 | Paul Bates | 4 | son | — | Indiana |
| 67 | Daniel Bates | 3 | son | — | Indiana |
| 68 | Elizabeth Bates | 1 | daughter | — | Indiana |
| 69 | Patrick Bates | 1 | son | — | Indiana |
| 70 | Harry E. Nesmith | 51 | Head | Brakeman | Indiana |
| 71 | La Verne Nesmith | 48 | wife | — | Indiana |
| 72 | Robert Nesmith | 22 | son | Office Clerk | Indiana |
| 73 | Carl Henderson | 41 | Head | Salesman | Indiana |
| 74 | Minnie Henderson | 31 | wife | Spinner | Indiana |
| 75 | B. Joyce Henderson | 5 | daughter | — | Indiana |
| 76 | Gertrude Taulman | 66 | Mother-in-law | — | Indiana |
| 77 | Raymond Bredell | 28 | Head | Hired Labor | Indiana |
| 78 | Elizabeth Bredell | 26 | wife | — | Indiana |
| 79 | Virginia Bredell | 9 | daughter | — | Indiana |
| 80 | Barbara Ann Bredell | 6 | daughter | — | 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)