MG
Mary Griffin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Buckingham-County, Virginia
Our Model Tree links this Mary Griffin across the 1920, 1930 and 1940 US Censuses in Buckingham-County, Virginia (XGBoost, ~Confirmed), with identified parents Harry & William — first a daughter (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Buckingham-County, Virginia |
| Surname | Griffin |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Maysville |
| 1935 Residence (County) | Buckingham |
| Additional Details | |
| Occupation | Laborer |
| Industry | Office |
| Class of Worker | PW |
| Income (1939) | 310 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Laborer |
| Township / Ward | Maysville |
| Est. Birth Year | ~1920 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Nellie Griffin | Daughter | — | 19 | ~1921 |
| Mary Griffin | Daughter | — | 20 | ~1920 |
| Isaac Griffin | Head | — | 22 | ~1918 |
| Jessie Griffin | Son | — | 8 | ~1932 |
| John Griffin | Son | — | 15 | ~1925 |
Census Appearances
1920
Buckingham, Virginia
Other, age
Buckingham, Virginia · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Mary E |
| Relationship to Head | grand daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Buckingham, Virginia
Daughter, age 10
Buckingham, Virginia · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Buckingham-County, Virginia
Daughter, age 20
Buckingham-County, Virginia · implied b. ~1920 — 5 household members
| Surname | Griffin |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Maysville |
| 1935 Residence (County) | Buckingham |
| Occupation | Laborer |
| Industry | Office |
| Class of Worker | PW |
| Income (1939) | 310 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Griffin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Griffin (~0.92 confidence) and father William Griffin (~0.53 confidence) and mother Ella Griffin (~0.53 confidence) and mother Lara Griffin (~0.53 confidence) and father Isaac Griffin (~0.60 confidence). The pedigree spans 2 generations with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.62
Father
Harry Griffin
b. ~1886
Source father
● Household
· direct · ~0.92
Father
William Griffin
b. ~1888
Source father>father
● Household
· direct · ~0.53
Mother
Ella Griffin
b. ~1889
Source father>mother
● Household
· direct · ~0.53
Mother
Lara Griffin
b. ~1892
Source father>mother
● Household
· direct · ~0.53
Father
Isaac Griffin
b. ~1918
Source father
● Household
· direct · ~0.6
This person
Anchor record
Mary Griffin
Daughter · 1940 · age 20 · b. ~1920 · Virginia
★ You are viewing this record
Sibling
Jessie Griffin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Griffin
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Griffin
Sibling · 1940 · age 15
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 — Buckingham-County, Virginia
Open full size
1940 US Federal Census — Buckingham-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04252-00294)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Isaac G. Jr. Griffin | 22 | Head | Rougher | Virginia |
| 42 | Mary E. Griffin THIS PERSON | 20 | Daughter | Laborer | Virginia |
| 43 | Nellie E. Griffin | 19 | Daughter | — | Virginia |
| 44 | John P. Griffin | 15 | Son | — | Virginia |
| 45 | Jessie H. Griffin | 8 | Son | — | Virginia |
| 46 | Albert B. Austin | 51 | Head | Farmer | Virginia |
| 47 | Ida C. Austin | 46 | Wife | — | Virginia |
| 48 | Bertha Austin | 15 | Daughter | — | Virginia |
| 49 | James E. Bryant | 32 | Head | Truck Driver | Virginia |
| 50 | Annie M. Bryant | 31 | Wife | — | Virginia |
| 51 | Bertha S. Bryant | 16 | Daughter | — | Virginia |
| 52 | Gilbert R. Bryant | 14 | Son | — | Virginia |
| 53 | Robert W. Bryant | 12 | Son | — | Virginia |
| 54 | Jessie R. Bryant | 10 | Son | — | Virginia |
| 55 | Frank Jr. Bryant | 8 | Son | — | Virginia |
| 56 | Herbert A. Bryant | 5 | Son | — | Virginia |
| 57 | Calvin E. Bryant | 4 | Son | — | Virginia |
| 58 | Carolyn M. Bryant | 1 | Daughter | — | Virginia |
| 59 | William G. Hatcher | 61 | Head | Miller | Virginia |
| 60 | Mattie B. Hatcher | 42 | Wife | — | Virginia |
| 61 | Gertrude M. Hatcher | 17 | Daughter | — | Virginia |
| 62 | Billy R. Hatcher | 15 | Son | — | Virginia |
| 63 | Jack G. Hatcher | 12 | Son | — | Virginia |
| 64 | Juanita L. Hatcher | 9 | Daughter | — | Virginia |
| 65 | Barbara J. Hatcher | 7 | Daughter | — | Virginia |
| 66 | Fred G. Hatcher | 4 | Son | — | Virginia |
| 67 | Lois Mae Hatcher | 0 | Daughter | — | Virginia |
| 68 | Lee B. Taylor | 57 | Head | Farmer | Virginia |
| 69 | Lucy M. Taylor | 49 | Wife | — | Virginia |
| 70 | Ben Richard G. Taylor | 16 | Son | Laborer | Virginia |
| 71 | Robert D. Pool | 34 | Head | Farmer | Virginia |
| 72 | James A. Wheeler | 26 | Head | Laborer | Virginia |
| 73 | Mary G. B. Wheeler | 25 | Wife | — | Virginia |
| 74 | Walter Dale B. Wheeler | 12 | Son | — | Virginia |
| 75 | Jack H. Liddell | 33 | Head | Laborer | Virginia |
| 76 | Etta L. Liddell | 33 | Wife | — | Virginia |
| 77 | Edith R. Liddell | 5 | Daughter | — | Virginia |
| 78 | Lloyd G. Stephens | 28 | Head | Laborer | Virginia |
| 79 | Florence Ruth Stephens | 22 | Wife | — | Virginia |
| 80 | Stephens | 3 | Son | — | Virginia |
Pedigree Summary
Mary + 3 siblings
Gen 1 · 2 parents
~0.76
Gen 2 · 3 grandparents
~0.53
Max depth 4 (1900–1950 window)
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)