JW
John Watts — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this John Watts across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1899), then head of a 7-person household.
Age 41
b. ~1899
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Watts |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Industry | 715 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1899 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Watts | Spouse | — | 41 | ~1899 |
| Margaret Watts | Daughter | — | 10 | ~1930 |
| Carolyn Watts | Daughter | — | 12 | ~1928 |
| Hazel Watts | Daughter | — | 11 | ~1929 |
| Thomas Watts | Son | — | 15 | ~1925 |
| Mary Watts | Daughter | — | 18 | ~1922 |
| John Watts | Head | — | 41 | ~1899 |
Census Appearances
1920
Marion, Indiana
Other, age 21
Marion, Indiana · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watts |
| Given Name | John F |
| Relationship to Head | lodger |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Grinder |
| Industry | Machine shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Other, age 31
Marion, Indiana · implied b. ~1899 — 46 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watts |
| Given Name | John F. |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 21 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Manager |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | Head |
| Home Value / Rent | R |
| Radio Set | 25 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Head, age 41
Marion-County, Indiana · implied b. ~1899 — 7 household members
| Surname | Watts |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Industry | 715 |
| 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 John Watts across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Watts
Head · 1940 · age 41 · b. ~1899 · Indiana
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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-t0627-01122-00342)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles B. Cutter | 30 | Head | Press Operator | Indiana |
| 2 | Gladys Cutter | 27 | Wife | Factory Worker | Indiana |
| 3 | Beverly Cutter | 5 | Daughter | — | Indiana |
| 4 | Walter E. Shauman | 54 | Head | Interior Decorator | Kentucky |
| 5 | Nora Shauman | 43 | Wife | — | Indiana |
| 6 | Thomas Dewer | 57 | Head | Railroad Crossing Watchman | Illinois |
| 7 | Nell Mary Dewer | 47 | Wife | Maid | Indiana |
| 8 | Jack Dewer | 21 | Son | Armature Winder | California |
| 9 | Marjorie Dewer | 14 | Daughter | Bookkeeper | Indiana |
| 10 | Jerome Dewer | 15 | Son | — | Indiana |
| 11 | Catherine Dewer | 13 | Daughter | — | Indiana |
| 12 | Bernard Dewer | 6 | Son | — | Indiana |
| 13 | Isabel Davis | 54 | Head | — | Michigan |
| 14 | Rita Casper | 19 | Daughter | Office Clerk | Indiana |
| 15 | Mary Ferguson | 73 | Head | — | Indiana |
| 16 | Robert J. Robbins | 15 | Grandson | — | Indiana |
| 17 | James Alyward | 66 | Head | Operator | Irish Free State |
| 18 | Mary Alyward | 60 | Wife | — | Irish Free State |
| 19 | Charles Catchier | 49 | Head | Proprietor | Ohio |
| 20 | Cecelia Catchier | 47 | Wife | — | Indiana |
| 21 | Norbert Catchier | 23 | Son | Handwork Floor Man | Indiana |
| 22 | James Catchier | 21 | Son | Salesman | Indiana |
| 23 | Charles Catchier | 17 | Son | — | Indiana |
| 24 | Mary Ann Catchier | 15 | Daughter | — | Indiana |
| 25 | William Catchier | 13 | Son | — | Indiana |
| 26 | Samuel Grover Mallewith | 47 | Head | Engine Dispatcher | Indiana |
| 27 | Arlie G. Mallewith | 50 | Wife | — | Ohio |
| 28 | Adam R. Heck | 53 | Head | Insurance Agent | Indiana |
| 29 | Anna R. Heck | 54 | Wife | — | Indiana |
| 30 | Elizabeth Marks | 34 | Niece | Stenographer | Indiana |
| 31 | Frank Humble | 38 | Head | Foreman | Illinois |
| 32 | Mary M. Humble | 37 | Wife | — | Ohio |
| 33 | John Humble | 14 | Son | — | Indiana |
| 34 | John F. Watts THIS PERSON | 41 | Head | — | Indiana |
| 35 | Margaret Watts | 41 | Wife | — | Indiana |
| 36 | Mary Alice Watts | 18 | Daughter | School | Indiana |
| 37 | Thomas Watts | 15 | Son | — | Indiana |
| 38 | Carolyn Watts | 12 | Daughter | — | Indiana |
| 39 | Hazel Watts | 11 | Daughter | — | Indiana |
| 40 | Margaret Watts | 10 | 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)