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Mary Watts — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Shelby-County, Alabama
Our Model Tree links this Mary Watts across the 1930 and 1940 US Censuses in Shelby-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Shelby-County, Alabama |
| Surname | Watts |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Clay |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Beat 17 |
| 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 |
|---|---|---|---|---|
| Edgar Watts | Son | — | 21 | ~1919 |
| Dorothy Watts | Daughter | — | 16 | ~1924 |
| Edward Watts | Head | — | 42 | ~1898 |
| Mary Watts | Daughter | — | 12 | ~1928 |
| Paula Watts | Spouse | — | 28 | ~1912 |
| Paul Watts | Son | — | 8 | ~1932 |
Census Appearances
1930
Talladega, Alabama
Daughter, age 2
Talladega, Alabama · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watts |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Shelby-County, Alabama
Daughter, age 12
Shelby-County, Alabama · implied b. ~1928 — 6 household members
| Surname | Watts |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Clay |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 · Alabama
★ You are viewing this record
Sibling
Dorothy Watts
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Watts
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edgar 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 — Shelby-County, Alabama
Open full size
1940 US Federal Census — Shelby-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00079-00691)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Prentice L. Cahill | 27 | Head | Loader | Alabama |
| 42 | Lucile Cahill | 24 | Wife | — | Alabama |
| 43 | Threst Margie Cahill | 4 | Stepdaughter | — | Alabama |
| 44 | Frank Garrett | 29 | Head | Laborer | Alabama |
| 45 | J. L. Garrett | 23 | Wife | — | Alabama |
| 46 | Harry Threst | 22 | Head | Section Hand | Alabama |
| 47 | Mary Threst | 21 | Wife | — | Alabama |
| 48 | Harry Jr. Threst | 3 | Son | — | Alabama |
| 49 | Priscilla Threst | 2 | Daughter | — | Alabama |
| 50 | Henry Threst | 0 | Son | — | Alabama |
| 51 | Roscoe Melvin | 29 | Head | Section Hand | Alabama |
| 52 | Ella Melvin | 26 | Wife | — | Alabama |
| 53 | Tommy B. Bush | 22 | Head | Lime Roller | Alabama |
| 54 | Ruth Bush | 20 | Wife | — | Alabama |
| 55 | Edward P. Watts | 42 | Head | Sectionman | Alabama |
| 56 | Paula Watts | 28 | Wife | — | Alabama |
| 57 | Edgar E. Watts | 21 | Son | Mechanic Helper | Alabama |
| 58 | Dorothy Watts | 16 | Daughter | — | Alabama |
| 59 | Mary Watts THIS PERSON | 12 | Daughter | — | Alabama |
| 60 | Paul Watts | 8 | Son | — | Alabama |
| 61 | W. Martin Shirley | 53 | Head | Laborer | Alabama |
| 62 | Ruby Shirley | 37 | Wife | — | Alabama |
| 63 | Martin Jr. Shirley | 17 | Son | New Worker | Alabama |
| 64 | Oren Shirley | 15 | Daughter | — | Alabama |
| 65 | Estheline Shirley | 13 | Daughter | — | Alabama |
| 66 | Fay Shirley | 10 | Daughter | — | Alabama |
| 67 | Eva Shirley | 7 | Daughter | — | Alabama |
| 68 | Flora Shirley | 5 | Daughter | — | Alabama |
| 69 | Howard Shirley | 2 | Son | — | Alabama |
| 70 | Rufus A. Moore | 38 | Head | Rock Breaker | Alabama |
| 71 | Rosa L. Moore | 32 | Wife | — | Alabama |
| 72 | William E. Moore | 13 | Son | — | Alabama |
| 73 | Alma A. Moore | 9 | Daughter | — | Alabama |
| 74 | Verdie M. Moore | 6 | Daughter | — | Alabama |
| 75 | Barbra S. Moore | 5 | Daughter | — | Alabama |
| 76 | Rufus F. Moore | 2 | Son | — | Alabama |
| 77 | Frank Douglass | 85 | Head | — | Alabama |
| 78 | Turpin Boy Douglass | 55 | Daughter | — | Alabama |
| 79 | James B. Sturdivant | 69 | Head | — | Georgia |
| 80 | Minnie Sturdivant | 67 | Wife | — | Georgia |
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)