JV
James Vaughn — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Clair-County, Illinois
Our Model Tree links this James Vaughn across the 1920, 1930 and 1940 US Censuses in St.-Clair-County, Illinois (XGBoost, ~Confirmed), with identified parents Fred & Nennie — first a head (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Illinois |
| Surname | Vaughn |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | East St. Louis |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Occupation | Laborer |
| Industry | Aluminum Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 188 |
| Highest Grade | No 3 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Laborer |
| Township / Ward | East St Louis |
| Est. Birth Year | ~1904 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Vaughn | Head | — | 36 | ~1904 |
| Neomi Vaughn | Other | — | 21 | ~1919 |
| Evelyn Vaughn | Daughter | — | 2 | ~1938 |
| Helen Vaughn | Spouse | — | 35 | ~1905 |
Census Appearances
1920
St Clair, …
Son, age 15
St Clair, Illinois · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vaughn |
| Given Name | James A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | No |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Saint Clair, …
Son, age 25
Saint Clair, Illinois · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vaughn |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 22 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Conveyor |
| Industry | Alco Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
St.-Clair-County, Illinois
Head, age 36
St.-Clair-County, Illinois · implied b. ~1904 — 4 household members
| Surname | Vaughn |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | East St. Louis |
| 1935 Residence (County) | St. Clair |
| Occupation | Laborer |
| Industry | Aluminum Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 188 |
| Highest Grade | No 3 |
| 1935 Residence | Same Place |
| 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 James Vaughn across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Fred Vaughn (~0.92 confidence) and mother Nennie Vaughn (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Vaughn
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Nennie Vaughn
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Vaughn
Head · 1940 · age 36 · b. ~1904 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — St.-Clair-County, Illinois
Open full size
1940 US Federal Census — St.-Clair-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00881-00367)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Annie B. Calvert | 38 | Head | Seamstress | Mississippi |
| 42 | Bertha Calvert | 20 | Daughter | — | Illinois |
| 43 | Virgel Calvert | 19 | Son | — | Illinois |
| 44 | Foster Calvert | 17 | Son | — | Illinois |
| 45 | Johnnie Calvert | 15 | Son | — | Illinois |
| 46 | Charlie Mitchel | 32 | Lodger | Laborer | Texas |
| 47 | Beatrice Mitchel | 25 | Wife | — | Arkansas |
| 48 | Emma Woody | 39 | Head | House Work | Mississippi |
| 49 | Austin Jr. Black | 12 | Son | — | Illinois |
| 50 | Cleveland Black | 10 | Son | — | Illinois |
| 51 | Otha Austin | 10 | Lodger | Laborer | Mississippi |
| 52 | Pearl Smith | 47 | Head | — | Mississippi |
| 53 | Edward Smith | 15 | Son | Delivery Boy | Illinois |
| 54 | Charlie Williams | 45 | Head | Laborer | Mississippi |
| 55 | Annie Williams | 40 | Wife | — | Mississippi |
| 56 | Willie Williams | 28 | Son | Laborer | Mississippi |
| 57 | Charles Williams | 35 | Head | Laborer | Mississippi |
| 58 | Martha Grigger | 24 | Lodger | House Work | Mississippi |
| 59 | Helen White | 9 | Daughter | — | Illinois |
| 61 | George Bryant | 57 | Head | Laborer | Tennessee |
| 62 | Lola Bryant | 60 | Wife | — | Tennessee |
| 63 | Robert R. Dancy | 56 | Head | Preacher | Mississippi |
| 64 | Ella Dancy | 54 | Wife | — | Mississippi |
| 65 | Leroy Jones | 12 | Nephew | — | Mississippi |
| 66 | Callie Connors | 58 | Lodger | House Work | Illinois |
| 67 | James Vaughn THIS PERSON | 36 | Head | Laborer | Kentucky |
| 68 | Helen Vaughn | 35 | Wife | — | Illinois |
| 69 | Neomi Vaughn | 21 | Sister | Teacher | Illinois |
| 70 | Evelyn Vaughn | 2 | Daughter | — | Missouri |
| 71 | Sandy Hollis | 36 | Head | Laborer | Mississippi |
| 72 | Maggie Hollis | 36 | Wife | Laborer | Georgia |
| 73 | Long Pearl Hollis | 18 | Daughter | Singer | Arkansas |
| 74 | James Barbour | 53 | Head | Operator | Georgia |
| 75 | Clara Barbour | 37 | Wife | — | Mississippi |
| 76 | Cleo Washington | 38 | Lodger | Teacher | Alabama |
| 77 | George Wilson | 54 | Head | Porter | Kentucky |
| 78 | Mattie Wilson | 53 | Wife | — | Kentucky |
| 79 | Louise Wilson | 34 | Daughter | Teacher | Kentucky |
| 80 | Edna Wilson | 30 | Daughter | Maid | Kentucky |
Pedigree Summary
James
Gen 1 · 2 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)