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Mary Griffith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mclennan-County, Texas
Our Model Tree links this Mary Griffith across the 1930 and 1940 US Censuses in Mclennan-County, Texas (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Female
Daughter
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mclennan-County, Texas |
| Surname | Griffith |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Bell Meade |
| 1935 Residence (County) | McLennan |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Bell Meade |
| Est. Birth Year | ~1922 |
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 |
|---|---|---|---|---|
| Mary Griffith | Daughter | — | 18 | ~1922 |
| Clarice Griffith | Daughter | — | 3 | ~1937 |
| Gladys Griffith | Daughter | — | 17 | ~1923 |
| Floyd Griffith | Head | — | 47 | ~1893 |
| John Griffith | Son | — | 21 | ~1919 |
| Floyd Griffith | Son | — | 10 | ~1930 |
| Loyd Griffith | Son | — | 5 | ~1935 |
| Clara Griffith | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Mclennan, Texas
Daughter, age 9
Mclennan, Texas · implied b. ~1921 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffith |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Mclennan-County, Texas
Daughter, age 18
Mclennan-County, Texas · implied b. ~1922 — 8 household members
| Surname | Griffith |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Bell Meade |
| 1935 Residence (County) | McLennan |
| Industry | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| 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 Griffith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Griffith
Daughter · 1940 · age 18 · b. ~1922 · Texas
★ You are viewing this record
Sibling
Floyd Griffith
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Griffith
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loyd Griffith
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Griffith
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarice Griffith
Sibling · 1940 · age 3
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 — Mclennan-County, Texas
Open full size
1940 US Federal Census — Mclennan-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04100-00626)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nancy Karen Bruner | 20 | Daughter | — | Texas |
| 2 | Arthur B. Erwin | 56 | Head | Laborer | Texas |
| 3 | Celesta Erwin | 50 | Wife | — | Texas |
| 4 | Loy Erwin | 27 | Son | Presser | Texas |
| 5 | Mattie D. Mccoy | 51 | Head | — | Texas |
| 6 | Leland Bishop | 24 | Roomer | Pipe Liner | Texas |
| 7 | Willie D. Darden | 28 | Head | Butcher | Texas |
| 8 | Charlie Darden | 20 | Brother | — | Texas |
| 9 | Sophie Darden | 32 | Sister | Housekeeper | Texas |
| 10 | Ludwig Darden | 30 | Brother | Laborer | Texas |
| 11 | Robert G. Simonton | 42 | Head | Candy Making | Texas |
| 12 | Frankie L. Simonton | 49 | Wife | Candy Wrapper | Texas |
| 13 | Mildred Fay Simonton | 17 | Daughter | — | Texas |
| 14 | Carl W. Olson | 24 | Head | — | Sweden |
| 15 | Agusta Olson | 25 | Wife | — | Sweden |
| 16 | Sherman Morales | 45 | Head | Laborer | Texas |
| 17 | Pauline D. Morales | 36 | Wife | — | Texas |
| 18 | Doming Morales | 18 | Daughter | — | Texas |
| 19 | Mollie Morales | 11 | Daughter | — | Texas |
| 20 | Nora Morales | 10 | Daughter | — | Texas |
| 21 | Mary Morales | 2 | Daughter | — | Texas |
| 22 | Joe Griffin | 28 | Head | Truck Driver | Texas |
| 23 | Lorraine R. Griffin | 26 | Wife | — | Texas |
| 24 | Raymond R. Quigley | 34 | Head | Engineer | Texas |
| 25 | Willie Quigley | 34 | Wife | Egg Breaker | Texas |
| 26 | June D. Quigley | 16 | Daughter | — | Texas |
| 27 | Billie Quigley | 8 | Daughter | — | Texas |
| 28 | Floyd M. Griffith | 47 | Head | B+B Foreman | Texas |
| 29 | Clara Griffith | 41 | Wife | — | Texas |
| 30 | John Griffith | 21 | Son | — | Texas |
| 31 | Mary Griffith THIS PERSON | 18 | Daughter | — | Texas |
| 32 | Gladys Griffith | 17 | Daughter | — | Missouri |
| 33 | Floyd Griffith | 10 | Son | — | Texas |
| 34 | Loyd Griffith | 5 | Son | — | Texas |
| 35 | Clarice Griffith | 3 | Daughter | — | Texas |
| 36 | Agnes Koppa | 38 | Head | — | Texas |
| 37 | Raymond Koppa | 16 | Son | — | Texas |
| 38 | Edmond Koppa | 12 | Son | — | Texas |
| 39 | Robert Pruitt | 21 | Head | Truck Driver | Texas |
| 40 | Mallie Pruitt | 19 | Wife | — | 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)