MG
Mary Griffith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grayson-County, Virginia
Our Model Tree links this Mary Griffith across the 1930 and 1940 US Censuses in Grayson-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Grayson-County, Virginia |
| Surname | Griffith |
| Given Name | Mary Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Wilson District |
| 1935 Residence (County) | Grayson |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Wilson District |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Griffith | Daughter | — | 12 | ~1928 |
| Martha Griffith | Daughter | — | 2 | ~1938 |
| Lynette Griffith | Daughter | — | 17 | ~1923 |
| Bob Griffith | Head | — | 47 | ~1893 |
| Jason Griffith | Son | — | 7 | ~1933 |
| Elbert Griffith | Son | — | 3 | ~1937 |
| R Griffith | Son | — | 20 | ~1920 |
| Tommie Griffith | Son | — | 14 | ~1926 |
| Pansy Griffith | Spouse | — | 29 | ~1911 |
Census Appearances
1930
Grayson, Virginia
Daughter, age 2
Grayson, Virginia · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffith |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Grayson-County, Virginia
Daughter, age 12
Grayson-County, Virginia · implied b. ~1928 — 9 household members
| Surname | Griffith |
| Given Name | Mary Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Wilson District |
| 1935 Residence (County) | Grayson |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 12 · b. ~1928 · Virginia
★ You are viewing this record
Sibling
Lynette Griffith
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Griffith
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elbert Griffith
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
R Griffith
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tommie Griffith
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jason Griffith
Sibling · 1940 · age 7
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 — Grayson-County, Virginia
Open full size
1940 US Federal Census — Grayson-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04265-00689)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl Blackburn | 33 | Head | Farmer | North Carolina |
| 2 | Etta Blackburn | 38 | Wife | — | Virginia |
| 3 | Pauline Blackburn | 9 | Daughter | — | Virginia |
| 4 | Raymola Blackburn | 8 | Daughter | — | Virginia |
| 5 | Gayle Blackburn | 6 | Son | — | Virginia |
| 6 | James Blackburn | 3 | Son | — | Virginia |
| 7 | Lanella Blackburn | 1 | Daughter | — | Virginia |
| 8 | Minnie Sue Blackburn | 66 | Mother | — | Virginia |
| 9 | Sam H. Griffith | 83 | Head | Farm Manager | Virginia |
| 10 | Emma Griffith | 60 | Daughter | — | Virginia |
| 11 | Dicey Griffith | 58 | Daughter | Housekeeper | Virginia |
| 12 | Francis Ward | 25 | Daughter | — | Virginia |
| 13 | Garnett Griffith | 8 | Grandson | — | Virginia |
| 14 | Bob Griffith | 47 | Head | Off-Bearer | Virginia |
| 15 | Pansy Griffith | 29 | Wife | — | Virginia |
| 16 | R. W. Jr. Griffith | 20 | Son | Driller | Virginia |
| 17 | Lynette Griffith | 17 | Daughter | — | Virginia |
| 18 | Tommie Griffith | 14 | Son | — | Virginia |
| 19 | Mary Ruth Griffith THIS PERSON | 12 | Daughter | — | Virginia |
| 20 | Jason Griffith | 7 | Son | — | Virginia |
| 21 | Elbert Griffith | 3 | Son | — | Virginia |
| 22 | Martha Jane Griffith | 2 | Daughter | — | Virginia |
| 23 | C. P. Phipps | 54 | Head | Farm Operator | Virginia |
| 24 | French Phipps | 22 | Son | Farm Hand | Virginia |
| 25 | June Phipps | 17 | Daughter | — | Virginia |
| 26 | Charlie Pugh | 52 | Head | Attendant | Virginia |
| 27 | Ruby Pugh | 32 | Wife | — | Virginia |
| 28 | Ruby Pugh | 6 | Daughter | — | Virginia |
| 29 | Sam G. Damell | 52 | Head | Farmer | North Carolina |
| 30 | Lizzie Damell | 46 | Wife | — | N. Carolina |
| 31 | Roy Damell | 22 | Son | Farmer | Virginia |
| 32 | Claude Damell | 18 | Son | Farmer | Virginia |
| 33 | Ola May Damell | 15 | Daughter | — | Virginia |
| 34 | Ruthie Damell | 12 | Daughter | — | Virginia |
| 35 | Mary Anne Damell | 72 | Mother | — | N. Carolina |
| 36 | Pilly Jane Bryant | 76 | Head | — | Virginia |
| 37 | Nell Rutherford | 29 | Maid | Housekeeper | Virginia |
| 38 | Jim Bryant | 38 | Head | Farm Operator | Virginia |
| 39 | Daisy Bryant | 33 | Wife | — | Virginia |
| 40 | Louis J. Bryant | 4 | Son | — | Virginia |
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)