MV
Mary Vaughn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Crawford-County, Missouri
Our Model Tree links this Mary Vaughn across the 1930 and 1940 US Censuses in Crawford-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Missouri |
| Surname | Vaughn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Benton |
| 1935 Residence (County) | Crawford |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Benton |
| Est. Birth Year | ~1921 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Charles Vaughn | Son | — | 9 | ~1931 |
| Earl Vaughn | Son | — | 15 | ~1925 |
| Floyd Vaughn | Son | — | 22 | ~1918 |
| Henry Vaughn | Head | — | 52 | ~1888 |
| Everett Vaughn | Son | — | 17 | ~1923 |
| Mary Vaughn | Daughter | — | 19 | ~1921 |
| Lloyd Vaughn | Son | — | 22 | ~1918 |
| Wilbur Vaughn | Son | — | 11 | ~1929 |
Census Appearances
1930
Scott, Missouri
Daughter, age 9
Scott, Missouri · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vaughn |
| Given Name | Mary Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Crawford-County, Missouri
Daughter, age 19
Crawford-County, Missouri · implied b. ~1921 — 8 household members
| Surname | Vaughn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Benton |
| 1935 Residence (County) | Crawford |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 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 Mary Vaughn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Vaughn
Daughter · 1940 · age 19 · b. ~1921 · Missouri
★ You are viewing this record
Sibling
Floyd Vaughn
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Vaughn
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilbur Vaughn
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Vaughn
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Everett Vaughn
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Vaughn
Sibling · 1940 · age 9
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 — Crawford-County, Missouri
Open full size
1940 US Federal Census — Crawford-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02100-00557)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Levi Langdon | 40 | Head | Farmer | Arkansas |
| 42 | Bess Langdon | 37 | Wife | — | Arkansas |
| 43 | Betty Lee Langdon | 2 | Daughter | — | Missouri |
| 44 | Archibald Raff | 47 | Head | Farmer | Mississippi |
| 45 | Sarah Raff | 74 | Mother | — | Mississippi |
| 46 | William E Yerkewicz | 39 | Head | Farmer | Missouri |
| 47 | Bernice Yerkewicz | 32 | Wife | — | Missouri |
| 48 | Arthur Magee | 62 | Head | Farmer | Illinois |
| 49 | William Magee | 9 | Son | — | Missouri |
| 50 | Harry Stelzer | 45 | Head | Painter | Missouri |
| 51 | Marie Stelzer | 50 | Wife | — | Missouri |
| 52 | Edgar Stelzer | 12 | Son | — | Missouri |
| 53 | Ann Bruns | 24 | Daughter | — | Missouri |
| 54 | Mattingly Raymond Bruns | 9 | Grandson | — | Missouri |
| 55 | Claude Stewart | 48 | Head | Farmer | Missouri |
| 56 | Ida Stewart | 72 | Mother | — | Missouri |
| 57 | Joe Schraeder | 36 | Head | Farmer | Missouri |
| 58 | Edna Schraeder | 22 | Wife | — | Missouri |
| 59 | Josephine Schraeder | 1 | Daughter | — | Missouri |
| 60 | Henry Vaughn | 52 | Head | Section-Hand | Missouri |
| 61 | Floyd Vaughn | 22 | Son | Helper | Missouri |
| 62 | Lloyd Vaughn | 22 | Son | — | Missouri |
| 63 | Mary Vaughn THIS PERSON | 19 | Daughter | — | Missouri |
| 64 | Everett Vaughn | 17 | Son | — | Missouri |
| 65 | Earl Vaughn | 15 | Son | — | Missouri |
| 66 | Wilbur Vaughn | 11 | Son | — | Missouri |
| 67 | Charles Vaughn | 9 | Son | — | Missouri |
| 68 | Herbert Hendrix | 41 | Head | Farm Labor | Illinois |
| 69 | Frances Hendrix | 47 | Wife | — | Missouri |
| 70 | Jewell Hendrix | 17 | Son | — | Oklahoma |
| 71 | John Foster | 70 | Head | — | Missouri |
| 72 | Mary A Foster | 68 | Wife | — | Indiana |
| 73 | John W Shockley | 68 | Head | Wpa Labor | Missouri |
| 74 | Mary A Shockley | 67 | Wife | — | Missouri |
| 75 | William E Martin | 50 | Head | Farmer | Missouri |
| 76 | Anna A Martin | 48 | Wife | — | Illinois |
| 77 | William E Jr Martin | 22 | Son | Farm Labor | Missouri |
| 78 | Nellie A Martin | 19 | Daughter | — | Missouri |
| 79 | Fred C Martin | 17 | Son | — | Missouri |
| 80 | George C Martin | 14 | Son | — | 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)