JV
John Vaughn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this John Vaughn across the 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 9-person household.
Age 52
b. ~1888
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Vaughn |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Stationary Engineer |
| Industry | Steel Casting Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2184 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Stationary Engineer |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1888 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Robert Vaughn | Son | — | 15 | ~1925 |
| James Daly | Other | — | 76 | ~1864 |
| Victor Vaughn | Son | — | 13 | ~1927 |
| James Vaughn | Son | — | 19 | ~1921 |
| Anna Vaughn | Daughter | — | 19 | ~1921 |
| Eileen Vaughn | Daughter | — | 4 | ~1936 |
| Catherine Vaughn | Daughter | — | 7 | ~1933 |
| John Vaughn | Head | — | 52 | ~1888 |
| Anna Vaughn | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Marion, Indiana
Head, age 43
Marion, Indiana · implied b. ~1887 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vaughn |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 24 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Stationary Engineer |
| Industry | Foundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Marion-County, Indiana
Head, age 52
Marion-County, Indiana · implied b. ~1888 — 9 household members
| Surname | Vaughn |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Stationary Engineer |
| Industry | Steel Casting Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2184 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Vaughn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Vaughn
Head · 1940 · age 52 · b. ~1888 · 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-t0627-01132-00305)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Rupert | 28 | daughter-in-law | — | Indiana |
| 42 | Charles R. Rupert | 6 | grandson | — | Indiana |
| 43 | Holman Morton | 64 | Head | Finisher | Indiana |
| 44 | Elizabeth J. Morton | 70 | wife | — | Indiana |
| 45 | Mildred Mulkey | 32 | daughter | — | Indiana |
| 46 | Eula Belle Mulkey | 13 | granddaughter | — | Indiana |
| 47 | Charlotte Mulkey | 12 | granddaughter | — | Indiana |
| 48 | Charlotta Mulkey | 10 | granddaughter | — | Indiana |
| 49 | Manford V. Mulkey | 4 | grandson | — | Indiana |
| 50 | Winifred B. Jordan | 44 | Head | — | Ireland |
| 51 | John Jordan | 17 | son | New Worker | Indiana |
| 52 | Thomas Jordan | 14 | son | — | Indiana |
| 53 | Patricia R. Jordan | 11 | daughter | — | Indiana |
| 54 | Joan Jordan | 9 | daughter | — | Indiana |
| 55 | Joseph Clements | 32 | Head | Automobile Trimming Cutter | Indiana |
| 56 | Dorothy Clements | 25 | wife | — | Indiana |
| 57 | Cecil Clements | 7 | son | — | Indiana |
| 58 | James Clements | 5 | son | — | Indiana |
| 59 | Margaret Clements | 1 | daughter | — | Indiana |
| 60 | Mary J. Singer | 78 | Head | — | Indiana |
| 61 | William Stewart | 27 | Head | Laborer | Indiana |
| 62 | Irene D. Stewart | 25 | wife | — | Indiana |
| 63 | Norman Stewart | 1 | son | — | Indiana |
| 64 | Allene Stewart | 4 | daughter | — | Indiana |
| 65 | John Vaughn THIS PERSON | 52 | Head | Stationary Engineer | Kentucky |
| 66 | Anna Vaughn | 46 | wife | — | Indiana |
| 67 | James Vaughn | 19 | son | New Worker | Indiana |
| 68 | Anna Vaughn | 19 | daughter | — | Indiana |
| 69 | Robert Vaughn | 15 | son | — | Indiana |
| 70 | Victor Vaughn | 13 | son | — | Indiana |
| 71 | Catherine Vaughn | 7 | daughter | — | Indiana |
| 72 | Eileen Vaughn | 4 | daughter | — | Indiana |
| 73 | James Daly | 76 | Lodger | — | Indiana |
| 74 | William S. Munchy | 65 | Head | — | Switzerland |
| 75 | Marguerite Munchy | 64 | wife | — | Germany |
| 76 | Mary Frame | 50 | Head | Lodging House Keeper | Indiana |
| 77 | Bertie Frame | 54 | Husband | — | Indiana |
| 78 | Isabella Frame | 15 | daughter | — | Indiana |
| 79 | Philip Frame | 9 | son | — | Indiana |
| 80 | William Mitchell | 80 | Lodger | — | North Carolina |
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)