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William Vaughn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this William Vaughn across the 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1931), then head of a 6-person household.
Age 9
b. ~1931
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Vaughn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same Place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis |
| Est. Birth Year | ~1931 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Vaughn | Daughter | — | 6 | ~1934 |
| Theresa Vaughn | Daughter | — | 7 | ~1933 |
| Thomas Vaughn | Head | — | 38 | ~1902 |
| William Vaughn | Son | — | 9 | ~1931 |
| Louis Vaughn | Son | — | 11 | ~1929 |
| Hortense Vaughn | Spouse | — | 37 | ~1903 |
Census Appearances
1930
St Louis, …
Son, age 1
St Louis, Missouri · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vaughn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Mississippi |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Son, age 9
St.-Louis-City-County, Missouri · implied b. ~1931 — 6 household members
| Surname | Vaughn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis |
| 1935 Residence (County) | St. Louis City |
| Highest Grade | No 3 |
| 1935 Residence | Same Place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 William Vaughn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Vaughn
Son · 1940 · age 9 · b. ~1931 · Missouri
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Sibling
Theresa Vaughn
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Vaughn
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Vaughn
Sibling · 1940 · age 11
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 — St.-Louis-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02190-00023)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gerald D. Wisdom | 2 | Son | — | Missouri |
| 2 | Charles Sauer | 35 | Head | Laborer | Missouri |
| 3 | Grace M. Sauer | 37 | Wife | — | Missouri |
| 4 | Minnie M. Sauer | 7 | Daughter | — | Missouri |
| 5 | Grace Sauer | 5 | Daughter | — | Missouri |
| 6 | Virginia Sauer | 1 | Daughter | — | Missouri |
| 7 | John W. Murray | 40 | Head | — | Missouri |
| 8 | Winifred Murray | 35 | Wife | — | England |
| 9 | George W. Murray | 13 | Son | — | Missouri |
| 10 | John W. Jr. Murray | 11 | Son | — | Missouri |
| 11 | Theodore Murray | 9 | Son | — | Missouri |
| 12 | Winifred H. Murray | 7 | Daughter | — | Missouri |
| 13 | William P. Murray | 4 | Son | — | Missouri |
| 14 | Joseph A. Messmer | 49 | Head | Teamster | Missouri |
| 15 | Mary M. Messmer | 37 | Wife | — | Missouri |
| 16 | Clarence C. Messmer | 18 | Son | Tuckpointer | Missouri |
| 17 | Norman F. Messmer | 12 | Son | — | Missouri |
| 18 | Margareta Messmer | 8 | Daughter | — | Missouri |
| 19 | Max Zelms | 57 | Lodger | — | Missouri |
| 20 | Marie Vostmeyer | 43 | Head | — | Missouri |
| 21 | Dorothy Vostmeyer | 19 | Daughter | — | Missouri |
| 22 | Ruth Vostmeyer | 14 | Daughter | — | Missouri |
| 23 | George Barton | 46 | Head | Junker | Missouri |
| 24 | Martha Barton | 36 | Wife | — | Tennessee |
| 25 | Charles O'Grady | 64 | Head | Steam Shovel Operator | Illinois |
| 26 | Fred Kopp | 54 | Head | Odd Jobs Man | Illinois |
| 27 | Here Ends Block 43 And Begins Block 44 | None | — | — | — |
| 28 | Lyman H. Thompson | 53 | Head | Junkman | Missouri |
| 29 | Harry Thompson | 27 | Son | Boiler Fireman | Missouri |
| 30 | Geneva Thompson | 18 | Daughter in law | — | Missouri |
| 31 | Virgil Crawford | 27 | Nephew | Truck Driver | Missouri |
| 32 | Michael Seeker | 47 | Head | Teamster | Missouri |
| 33 | Sam C. Vaughn | 45 | Head | Fireman Boiler | Missouri |
| 34 | Fannie Vaughn | 46 | Wife | — | Tennessee |
| 35 | Thomas Vaughn | 38 | Head | Fireman Boilers | Missouri |
| 36 | Hortense Vaughn | 37 | Wife | — | Missouri |
| 37 | Louis Vaughn | 11 | Son | — | Missouri |
| 38 | William Vaughn THIS PERSON | 9 | Son | — | Missouri |
| 39 | Theresa Vaughn | 7 | Daughter | — | Missouri |
| 40 | Dorothy Vaughn | 6 | Daughter | — | Missouri |
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)