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Mary Watts — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Boone-County, Indiana
Our Model Tree links this Mary Watts across the 1930 and 1940 US Censuses in Boone-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 5-person household.
Age 14
b. ~1926
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, Indiana |
| Surname | Watts |
| Given Name | Mary K. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Lebanon |
| 1935 Residence (County) | Boone |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Lebanon |
| Est. Birth Year | ~1926 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Watts | Daughter | — | 14 | ~1926 |
| Bertha Watts | Spouse | — | 40 | ~1900 |
| Paul Watts | Head | — | 42 | ~1898 |
| Milburn Watts | Son | — | 18 | ~1922 |
| Donald Watts | Son | — | 17 | ~1923 |
Census Appearances
1930
Boone, Indiana
Daughter, age 4
Boone, Indiana · implied b. ~1926 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watts |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Boone-County, Indiana
Daughter, age 14
Boone-County, Indiana · implied b. ~1926 — 5 household members
| Surname | Watts |
| Given Name | Mary K. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Lebanon |
| 1935 Residence (County) | Boone |
| 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 Watts across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Watts
Daughter · 1940 · age 14 · b. ~1926 · Indiana
★ You are viewing this record
Sibling
Milburn Watts
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Watts
Sibling · 1940 · age 17
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 — Boone-County, Indiana
Open full size
1940 US Federal Census — Boone-County, Indiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01028-00133)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James D. Miller | 21 | Son-in-law | Repair Man | Indiana |
| 42 | Floyd A. Williams | 30 | Head | Assembly Man | Indiana |
| 43 | Roanne S. Williams | 29 | Wife | — | Indiana |
| 44 | Norman E. Williams | 3 | Son | — | Indiana |
| 45 | Bessie P. Haplin | 52 | Head | Dish Washer | Indiana |
| 46 | Thomas G. Haplin | 22 | Son | New Worker | Indiana |
| 47 | Carl H. Haplin | 21 | Son | New Worker | Indiana |
| 48 | Denny C. Haplin | 19 | Son | New Worker | Indiana |
| 49 | Margret B. Haplin | 15 | Daughter | — | Indiana |
| 50 | Ruth A. Haplin | 14 | Daughter | — | Indiana |
| 51 | Daniel Haplin | 14 | Son | — | Indiana |
| 52 | George J. Haplin | 12 | Son | — | Indiana |
| 54 | Paul C. Watts | 42 | Head | Section Laborer | Indiana |
| 55 | Bertha H. Watts | 40 | Wife | Seamstress | Indiana |
| 56 | Milburn D. Watts | 18 | Son | — | Indiana |
| 57 | Donald G. Watts | 17 | Son | — | Indiana |
| 58 | Mary K. Watts THIS PERSON | 14 | Daughter | — | Indiana |
| 59 | Lawrence S. Watkins | 44 | Head | Auto Mechanic | Indiana |
| 60 | Doris Watkins | 42 | Wife | — | Indiana |
| 61 | Dorothy M. Watkins | 18 | Daughter | Stenographer | Indiana |
| 62 | Donald G. Watkins | 17 | Son | — | Indiana |
| 63 | James P. Watkins | 14 | Son | — | Indiana |
| 64 | Shirley A. Watkins | 13 | Daughter | — | Indiana |
| 65 | Floyd J. Sanders | 48 | Head | Timekeeper | Indiana |
| 66 | Ella Sanders | 42 | Wife | — | Indiana |
| 67 | Earl Sanders | 22 | Son | Laborer | Indiana |
| 68 | Mary K. Sanders | 14 | Daughter | — | Indiana |
| 69 | Edward D. Sanders | 72 | Father | — | Indiana |
| 70 | Earl E. Belymer | 29 | Head | Sheet Metal Worker | Indiana |
| 71 | Alma M. Belymer | 30 | Wife | Seamstress | Indiana |
| 72 | Clarence W. Havens | 36 | Head | — | Indiana |
| 73 | Hattie P. Havens | 35 | Wife | Seamstress | Kentucky |
| 74 | Mary Cox | 61 | Head | — | Indiana |
| 75 | Mike S. Northern | 47 | Head | Crossing Watchman | Indiana |
| 76 | Doris J. Northern | 39 | Wife | — | Indiana |
| 77 | Gene S. Tolley | 30 | Head | Truck Driver | Indiana |
| 78 | Mary T. Tolley | 29 | Wife | Seamstress | Indiana |
| 79 | Donald E. Tolley | 10 | Son | — | Indiana |
| 80 | Marion L. Tolley | 8 | 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)