JV
John Vaughn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Butler-County, Ohio
Our Model Tree links this John Vaughn across the 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1902), then head of a 6-person household.
Age 38
b. ~1902
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Ohio |
| Surname | Vaughn |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Occupation | Laborer |
| Industry | Ford Motor Co |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1200 |
| Highest Grade | G 6 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Laborer |
| Township / Ward | Millville Village |
| Est. Birth Year | ~1902 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Flora Vaughn | Spouse | — | 34 | ~1906 |
| Doris Vaughn | Daughter | — | 16 | ~1924 |
| Kenneth Vaughn | Son | — | 6 | ~1934 |
| John Vaughn | Head | — | 38 | ~1902 |
| Ralph Vaughn | Son | — | 4 | ~1936 |
| Harold Vaughn | Son | — | 14 | ~1926 |
Census Appearances
1930
Butler, Ohio
Head, age 27
Butler, Ohio · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vaughn |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 21 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Truck Driver |
| Industry | Odd Jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 8.00 |
| Veteran | R |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Butler-County, Ohio
Head, age 38
Butler-County, Ohio · implied b. ~1902 — 6 household members
| Surname | Vaughn |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Jackson |
| Occupation | Laborer |
| Industry | Ford Motor Co |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1200 |
| Highest Grade | G 6 |
| 1935 Residence | Kentucky |
| 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 38 · b. ~1902 · Ohio
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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 — Butler-County, Ohio
Open full size
1940 US Federal Census — Butler-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03034-00012)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Lurnam | Curnam | 40 | Head | Foreman | Kentucky |
| 2 | Effie Lurnam | Curnam | 36 | Wife | — | Kentucky |
| 3 | Ruby Lurnam | Curnam | 17 | Daughter | — | Ohio |
| 4 | Edwin Lurnam | Curnam | 13 | Son | — | Ohio |
| 5 | Marjorie Lurnam | Curnam | 9 | Daughter | — | Ohio |
| 6 | Earl L. Emmett | 25 | Head | Grinder | Ohio |
| 7 | Nina Emmett | 23 | Wife | — | Ohio |
| 8 | Jerald Emmett | 2 | Son | — | Ohio |
| 9 | Jesse Lyons | 38 | Head | Laborer | Indiana |
| 10 | Susie M. Lyons | 63 | Wife | — | Indiana |
| 11 | Nora Cisle | 27 | Head | — | Ohio |
| 12 | Ena Lauderman | 61 | Head | — | Indiana |
| 13 | Stella Lauderman | 24 | Daughter | Cashier | Ohio |
| 14 | Edna Kunker | 32 | — | Office Work | Ohio |
| 15 | Johnny Cochran | 11 | Grandson | — | Ohio |
| 16 | Gordon Falkenstein | 26 | Head | Time Keeper | Ohio |
| 17 | Faye Falkenstein | 21 | Wife | — | Ohio |
| 18 | Robert H. Falkenstein | 28 | Head | Laborer | Ohio |
| 19 | Beulah Falkenstein | 23 | Wife | — | Ohio |
| 20 | Robert Jerry Falkenstein | 3 | Son | — | Ohio |
| 21 | Julia Gray | 68 | Head | — | Ohio |
| 22 | Luther Lauderman | 42 | Boarder | Collector | Ohio |
| 23 | Carl Spraugh | 57 | Roomer | Laborer | Ohio |
| 24 | Clara Kyle | 64 | Roomer | Maid | Ohio |
| 25 | Gaitin | Gaiter Steel | 26 | Head | Landscaper | Kentucky |
| 26 | Ruth Steel | 24 | Wife | — | Minnesota |
| 27 | Robert Davis | 53 | Father in law | Landscaper | Alabama |
| 28 | Gertrude Davis | 52 | Mother in law | — | Minnesota |
| 29 | Bobby Mae Fouch | 27 | Sister | — | Ohio |
| 30 | John Vaughn THIS PERSON | 38 | Head | Laborer | Kentucky |
| 31 | Flora Vaughn | 34 | Wife | — | Virginia |
| 32 | Doris Lee Vaughn | 16 | Daughter | — | Ohio |
| 33 | Harold E. Vaughn | 14 | Son | — | Ohio |
| 34 | Kenneth Vaughn | 6 | Son | — | Ohio |
| 35 | Ralph Vaughn | 4 | Son | — | Ohio |
| 36 | Gray Flynn | 56 | Head | — | Ohio |
| 37 | Stanley Flynn | 27 | Son | Rewinder | Ohio |
| 38 | Lee Flynn | 26 | Son | Rewinder | Ohio |
| 39 | Helen Flynn | 20 | Daughter | — | Ohio |
| 40 | Faye Flynn | 18 | Daughter | — | Ohio |
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)