JV
James Vaughn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this James Vaughn across the 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Vaughn |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Champaign City |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Champaign City |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Vaughn | Son | — | 15 | ~1925 |
| George Vaughn | Head | — | 64 | ~1876 |
| Helen Vaughn | Daughter | — | 21 | ~1919 |
| Robert Vaughn | Son | — | 12 | ~1928 |
| George Vaughn | Son | — | 5 | ~1935 |
| Coil Vaughn | Son | — | 7 | ~1933 |
| Celesta Vaughn | Spouse | — | 48 | ~1892 |
| Wayne Vaughn | Son | — | 14 | ~1926 |
Census Appearances
1930
Champaign, Illinois
Son, age 5
Champaign, Illinois · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vaughn |
| Given Name | James B. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Son, age 15
Champaign-County, Illinois · implied b. ~1925 — 8 household members
| Surname | Vaughn |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Champaign City |
| 1935 Residence (County) | Champaign |
| Highest Grade | H 1 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 James Vaughn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Vaughn
Son · 1940 · age 15 · b. ~1925 · Illinois
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Sibling
George Vaughn
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Vaughn
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Coil Vaughn
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Vaughn
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Vaughn
Sibling · 1940 · age 12
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 — Champaign-County, Illinois
Open full size
1940 US Federal Census — Champaign-County, Illinois
Page Contents
25 people indexed on this census page (nara:1940:m-t0627-00765-00319)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Jr. Appleby | 20 | Son | Clerk | Indiana |
| 2 | Adaline Appleby | 18 | Daughter | — | Illinois |
| 3 | Earl Curtis | 33 | Head | Washer | Iowa |
| 4 | Berdie Curtis | 30 | Wife | — | Indiana |
| 5 | Leonard Curtis | 11 | Son | — | Illinois |
| 6 | Dale Curtis | 9 | Son | — | Illinois |
| 7 | Wayne Curtis | 5 | Son | — | Illinois |
| 8 | Leo Neal | 35 | Head | Policeman | Illinois |
| 9 | Mary Neal | 31 | Wife | — | Indiana |
| 10 | Barbara Benefield | 37 | Sister-in-law | Waitress | Illinois |
| 11 | Barbara Ann Adney | 6 | Niece | — | Penna |
| 12 | A. T. Mitchell | 63 | Head | — | Illinois |
| 13 | Blanche Mitchell | 61 | Wife | — | Illinois |
| 14 | Aline Mitchell | 40 | Daughter | — | Illinois |
| 15 | Robert Short | 28 | Head | Field Agent | Illinois |
| 16 | Alice Short | 25 | Wife | — | Illinois |
| 17 | Carroll Short | 4 | Son | — | Illinois |
| 18 | George Vaughn | 64 | Head | Meat Cutter | Illinois |
| 19 | Celesta Vaughn | 48 | Wife | — | Kentucky |
| 20 | Helen Vaughn | 21 | Daughter | Clerk | Illinois |
| 21 | James Vaughn THIS PERSON | 15 | Son | — | Illinois |
| 22 | Wayne Vaughn | 14 | Son | — | Illinois |
| 23 | Robert Vaughn | 12 | Son | — | Illinois |
| 24 | Coil Vaughn | 7 | Son | — | Illinois |
| 25 | George Jr. Vaughn | 5 | Son | — | Illinois |
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)