MW
Mary Watts — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Liberty-County, Texas
Our Model Tree links this Mary Watts across the 1930 and 1940 US Censuses in Liberty-County, Texas (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Female
Daughter
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Liberty-County, Texas |
| Surname | Watts |
| Given Name | Mary Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | J. Precinct 5 |
| 1935 Residence (County) | Liberty |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | J Precinct 5 |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Katie Watts | Other | — | 83 | ~1857 |
| Thalas Watts | Son | — | 15 | ~1925 |
| Alvie Watts | Spouse | — | 47 | ~1893 |
| Frank Watts | Head | — | 57 | ~1883 |
| Frank Watts | Son | — | 21 | ~1919 |
| Mary Watts | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Liberty, Texas
Daughter, age 2
Liberty, Texas · implied b. ~1928
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Watts |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Liberty-County, Texas
Daughter, age 12
Liberty-County, Texas · implied b. ~1928 — 6 household members
| Surname | Watts |
| Given Name | Mary Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | J. Precinct 5 |
| 1935 Residence (County) | Liberty |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| 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 Watts across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Watts
Daughter · 1940 · age 12 · b. ~1928 · Texas
★ You are viewing this record
Sibling
Thalas Watts
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Watts
Sibling · 1940 · age 21
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 — Liberty-County, Texas
Open full size
1940 US Federal Census — Liberty-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04094-00386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George D. Jr. Derrington | 14 | Son | — | Texas |
| 42 | Cameron W. Derrington | 9 | Son | — | Texas |
| 43 | Ida Faye Derrington | 8 | Daughter | — | Texas |
| 44 | Carl Davis | 48 | Head | Farmer | Texas |
| 45 | Annie Davis | 30 | Wife | — | Texas |
| 46 | Carl Jr. Davis | 16 | Son | — | Texas |
| 47 | Howard Davis | 8 | Son | — | Texas |
| 48 | James N. Smart | 78 | Head | — | Texas |
| 49 | Louisa Smart | 71 | Wife | — | Texas |
| 50 | Henry Watson | 53 | Head | — | Texas |
| 51 | Annie Watson | 56 | Wife | — | Texas |
| 52 | Rufus P. Whittington | 56 | Head | Farmer | Texas |
| 53 | Ella Whittington | 49 | Wife | — | Texas |
| 54 | Madge Whittington | 18 | Daughter | — | Texas |
| 55 | William T. Clough | 72 | Head | — | Texas |
| 56 | Lela Clough | 67 | Wife | — | Texas |
| 57 | James L. Campbell | 36 | Head | Pumper | Texas |
| 58 | Julia Campbell | 26 | Wife | — | Texas |
| 59 | James L. Jr. Campbell | 3 | Son | — | Texas |
| 60 | David Campbell | 1 | Son | — | Texas |
| 61 | Abe Clough | 42 | Head | Laborer | Texas |
| 62 | Bertha Clough | 34 | Wife | — | Texas |
| 63 | G. W. Clough | 8 | Son | — | Texas |
| 64 | Frank Watts | 57 | Head | Farmer | Texas |
| 65 | Alvie Watts | 47 | Wife | — | Texas |
| 66 | Frank L. Watts | 21 | Son | Laborer | Texas |
| 67 | Thalas Watts | 15 | Son | — | Texas |
| 68 | Mary Lois Watts THIS PERSON | 12 | Daughter | — | Texas |
| 69 | Katie Watts | 83 | Mother | — | Texas |
| 70 | Oakley Shelton | 58 | Head | Sawyer | Texas |
| 71 | Ellie Watts | 29 | Head | Grader | Texas |
| 72 | Ardie Watts | 26 | Wife | — | Texas |
| 73 | J. B. Watts | 7 | Son | — | Texas |
| 74 | Frances Marie Watts | 5 | Daughter | — | Texas |
| 75 | John Allen Watts | 2 | Son | — | Texas |
| 76 | Archie Davis | 41 | Head | Laborer | Texas |
| 77 | Vera Davis | 36 | Wife | — | Texas |
| 78 | Irma Jean Davis | 10 | Daughter | — | Texas |
| 79 | Joyce Marie Davis | 7 | Daughter | — | Texas |
| 80 | Dolan Stuart | 34 | 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)