MV
Mary Vaughn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lamb-County, Texas
Our Model Tree links this Mary Vaughn across the 1930 and 1940 US Censuses in Lamb-County, Texas (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 6-person household.
Age 13
b. ~1927
Female
Daughter
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lamb-County, Texas |
| Surname | Vaughn |
| Given Name | Mary Joe |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hockley |
| Additional Details | |
| Highest Grade | G 5 |
| 1935 Residence | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Precinct 4 |
| Est. Birth Year | ~1927 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Raymond Vaughn | Son | — | 18 | ~1922 |
| Martin Vaughn | Head | — | 49 | ~1891 |
| Mary Vaughn | Daughter | — | 13 | ~1927 |
| Helen Vaughn | Daughter | — | 15 | ~1925 |
| Mildred Vaughn | Daughter | — | 16 | ~1924 |
| Jack Vaughn | Son | — | 11 | ~1929 |
Census Appearances
1930
Lamb, Texas
Daughter, age 2
Lamb, Texas · implied b. ~1928 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vaughn |
| Given Name | Mary Jo |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Texas |
| Occupation | none |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Lamb-County, Texas
Daughter, age 13
Lamb-County, Texas · implied b. ~1927 — 6 household members
| Surname | Vaughn |
| Given Name | Mary Joe |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hockley |
| Highest Grade | G 5 |
| 1935 Residence | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 13 · b. ~1927 · Texas
★ You are viewing this record
Sibling
Jack Vaughn
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Vaughn
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Vaughn
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Vaughn
Sibling · 1940 · age 18
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 — Lamb-County, Texas
Open full size
1940 US Federal Census — Lamb-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04091-00374)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | A Clyde | 24 | Son | Laborer | Oklahoma |
| 42 | Samuel Smelcer | 31 | Head | Farmer | Oklahoma |
| 43 | Lois Smelcer | 30 | Wife | — | Oklahoma |
| 44 | Glen Smelcer | 10 | Son | — | Oklahoma |
| 45 | Patsy Smelcer | 8 | Daughter | — | Texas |
| 46 | Betty R Smelcer | 6 | Daughter | — | Texas |
| 47 | Parron Winters | 45 | Head | Farmer | Texas |
| 48 | Grace Winters | 43 | Wife | — | Texas |
| 49 | Parron Jr Winters | 18 | Son | Laborer | Texas |
| 50 | Maxine Winters | 11 | Daughter | — | Texas |
| 51 | John S Lightsey | 55 | Head | Farmer | Texas |
| 52 | Mary K Lightsey | 56 | Wife | — | Texas |
| 53 | George D Lightsey | 24 | Son | Laborer | Texas |
| 54 | Jessie J Lightsey | 19 | Daughter | — | Texas |
| 55 | Martin L Vaughn | 49 | Head | Laborer | Texas |
| 56 | Raymond Vaughn | 18 | Son | Laborer | Texas |
| 57 | Mildred Vaughn | 16 | Daughter | — | Texas |
| 58 | Helen R Vaughn | 15 | Daughter | — | Texas |
| 59 | Mary Joe Vaughn THIS PERSON | 13 | Daughter | — | Texas |
| 60 | Jack D Vaughn | 11 | Son | — | Texas |
| 61 | David Vaughn | 24 | Head | Manager | Texas |
| 62 | Claudine Vaughn | 20 | Wife | — | Oklahoma |
| 63 | Milton Vaughn | 3 | Son | — | Texas |
| 64 | Crispeno Sanchez | 37 | Head | Laborer | Texas |
| 65 | Cleofas Sanchez | 30 | Wife | — | Texas |
| 66 | Juanita Sanchez | 15 | Daughter | — | Texas |
| 67 | Consuelo Sanchez | 10 | Daughter | — | Texas |
| 68 | Tavilo Sanchez | 9 | Son | — | Texas |
| 69 | Jose Sanchez | 7 | Son | — | Texas |
| 70 | Lewis Sanchez | 5 | Son | — | Texas |
| 71 | Amelia Sanchez | 3 | Daughter | — | Texas |
| 72 | Ramon Sanchez | 1 | Son | — | Texas |
| 73 | Corine Sandoval | 39 | Head | — | Texas |
| 74 | Maurilio Sandoval | 15 | Son | — | Texas |
| 75 | Samuel Sandoval | 12 | Son | — | Texas |
| 76 | Alfredo Sandoval | 10 | Son | — | Texas |
| 77 | Victor Dalza | 32 | Lodger | Laborer | Texas |
| 78 | John Dalza | 35 | Lodger | Laborer | Texas |
| 79 | Philip Flores | 58 | Lodger | Laborer | Texas |
| 80 | George Butler | 44 | Head | Laborer | Texas |
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)