JV
James Vaughn — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hardin-County, Illinois
Our Model Tree links this James Vaughn across the 1920, 1930 and 1940 US Censuses in Hardin-County, Illinois (XGBoost, ~Confirmed), with identified parents Joe & Joe — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hardin-County, Illinois |
| Surname | Vaughn |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hardin |
| Additional Details | |
| Occupation | Laborer |
| Industry | Spare mines |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 480 |
| Highest Grade | Hs 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Elizabethtown Village |
| Est. Birth Year | ~1919 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Joe Vaughn | Head | — | 56 | ~1884 |
| Clyde Vaughn | Son | — | 19 | ~1921 |
| Russell Vaughn | Son | — | 12 | ~1928 |
| Ada Vaughn | Spouse | — | 48 | ~1892 |
| James Vaughn | Son | — | 21 | ~1919 |
| Mildred Vaughn | Daughter | — | 12 | ~1928 |
Census Appearances
1920
Hardin, Illinois
Son, age
Hardin, Illinois · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vaughn |
| Given Name | James T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Hardin, Illinois
Son, age 10
Hardin, Illinois · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vaughn |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Hardin-County, Illinois
Son, age 21
Hardin-County, Illinois · implied b. ~1919 — 6 household members
| Surname | Vaughn |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hardin |
| Occupation | Laborer |
| Industry | Spare mines |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 480 |
| Highest Grade | Hs 4 |
| 1935 Residence | Illinois |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joe Vaughn (~0.92 confidence) and father Joe Vaughn (~0.92 confidence) and mother Ada Vaughn (~0.92 confidence) and mother Adie Vaughn (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joe Vaughn
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Joe Vaughn
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Ada Vaughn
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Adie Vaughn
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Vaughn
Son · 1940 · age 21 · b. ~1919 · Illinois
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Sibling
Mildred Vaughn
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Vaughn
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clyde Vaughn
Sibling · 1940 · age 19
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 — Hardin-County, Illinois
Open full size
1940 US Federal Census — Hardin-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00810-00942)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roberta Edwards | 24 | Wife | — | Kentucky |
| 2 | Ezra Jennings | 51 | Head | Laborer | Illinois |
| 3 | Essie Jennings | 48 | Wife | — | Illinois |
| 4 | Harry Ellis | 66 | Head | Clerk | Illinois |
| 5 | Lula Ellis | 60 | Wife | Proprietor | Illinois |
| 6 | Bennett Andrews | 47 | Head | Sawmill Operator | Michigan |
| 7 | Susan Andrews | 45 | Wife | Proprietor | Michigan |
| 8 | Bennett Jr Andrews | 17 | Son | — | Illinois |
| 9 | Gregory Andrews | 14 | Son | — | Illinois |
| 10 | Louis Stricklin | 38 | Head | Superintendent Of Road Project | Illinois |
| 11 | Maud Stricklin | 37 | Wife | — | Illinois |
| 12 | Austin Willis | 42 | Head | Laborer | Kentucky |
| 13 | Jessie Willis | 37 | Wife | — | Kentucky |
| 14 | James Willis | 18 | Son | Laborer | Kentucky |
| 15 | Neil Willis | 17 | Son | Laborer | Kentucky |
| 16 | Ava Willis | 15 | Daughter | — | Illinois |
| 17 | Charles Willis | 12 | Son | — | Kentucky |
| 18 | Virgil Willis | 11 | Son | — | Kentucky |
| 19 | Winford Willis | 9 | Son | — | Illinois |
| 20 | Nella Willis | 5 | Daughter | — | Illinois |
| 21 | Franklin Willis | 3 | Son | — | Illinois |
| 22 | Leonard Willis | 2 | Son | — | Illinois |
| 23 | Joe Vaughn | 56 | Head | — | Illinois |
| 24 | Ada Vaughn | 48 | Wife | — | Illinois |
| 25 | James Vaughn THIS PERSON | 21 | Son | Laborer | Illinois |
| 26 | Clyde Vaughn | 19 | Son | Laborer | Illinois |
| 27 | Russell Vaughn | 12 | Son | New Worker | Illinois |
| 28 | Mildred Vaughn | 12 | Daughter | — | Illinois |
| 29 | Charles Jackson | 65 | Head | Merchant | Illinois |
| 30 | Effie Jackson | 58 | Wife | — | Illinois |
| 31 | Mary Baker | 39 | Daughter | Assistant Telephone Operator | Illinois |
| 32 | Lila Baker | 20 | Granddaughter | Time Keeper | Kentucky |
| 33 | Clara Oxford | 72 | Head | — | Kentucky |
| 34 | H. T. Watson | 42 | Head | Adopter | Michigan |
| 35 | Laura Watson | 40 | Wife | — | Virginia |
| 36 | James C. Loomis | 41 | Head | Salesman | Kentucky |
| 37 | Nannie Loomis | 38 | Wife | Superintendent Of W.P.A. Project | Arkansas |
| 38 | Dorothy Loomis | 20 | Daughter | Stenographer | Arkansas |
| 39 | James Jr. Loomis | 18 | Son | — | Kentucky |
| 40 | Jane Loomis | 16 | Daughter | — | Tennessee |
Pedigree Summary
James + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)