MG
Mary Gregory — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mecklenburg-County, Virginia
Our Model Tree links this Mary Gregory across the 1930 and 1940 US Censuses in Mecklenburg-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 13-person household.
Age 10
b. ~1930
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mecklenburg-County, Virginia |
| Surname | Gregory |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Boydton Mag. Dist. |
| 1935 Residence (County) | Mecklenburg |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Boydton Mag Dist |
| Est. Birth Year | ~1930 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Gregory | Daughter | — | 11 | ~1929 |
| Margarette Gregory | Daughter | — | 11 | ~1929 |
| Helen Gregory | Daughter | — | 9 | ~1931 |
| Shirley Gregory | Daughter | — | 5 | ~1935 |
| Jennie Gregory | Daughter | — | 8 | ~1932 |
| Mary Gregory | Daughter | — | 10 | ~1930 |
| Florence Gregory | Daughter | — | 4 | ~1936 |
| Milton Gregory | Head | — | 30 | ~1910 |
| Nelson Gregory | Son | — | 1 | ~1939 |
| Dalton Gregory | Son | — | 10 | ~1930 |
| Theodore Gregory | Son | — | 3 | ~1937 |
| Frederick Gregory | Son | — | 2 | ~1938 |
| Mary Gregory | Spouse | — | 26 | ~1914 |
Census Appearances
1930
Mecklenburg, Virginia
Daughter, age
Mecklenburg, Virginia · implied b. ~1930 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gregory |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| 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 |
1940
Mecklenburg-County, Virginia
Daughter, age 10
Mecklenburg-County, Virginia · implied b. ~1930 — 13 household members
| Surname | Gregory |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Boydton Mag. Dist. |
| 1935 Residence (County) | Mecklenburg |
| Highest Grade | No 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 Gregory across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gregory
Daughter · 1940 · age 10 · b. ~1930 · Virginia
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Sibling
Frederick Gregory
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nelson Gregory
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Gregory
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Gregory
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Gregory
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Gregory
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dalton Gregory
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jennie Gregory
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Gregory
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margarette Gregory
Sibling · 1940 · age 11
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 — Mecklenburg-County, Virginia
Open full size
1940 US Federal Census — Mecklenburg-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04276-00101)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Hendrick | 37 | Head | Truck Driver | Virginia |
| 2 | Edna Hendrick | 34 | Wife | — | Virginia |
| 3 | Thomas Hatchett | 19 | Head | Farmer | Virginia |
| 4 | Edna Hatchett | 15 | Wife | — | Virginia |
| 5 | Dewey Claiborne | 24 | Head | Farmer | Virginia |
| 6 | Nancy Claiborne | 19 | Wife | — | Virginia |
| 7 | Milton Bishop | 49 | Head | Merchant | Virginia |
| 8 | Douglas Bishop | 22 | Son | Attendant | Virginia |
| 9 | Sally Simmons | 51 | Sister | — | Virginia |
| 10 | Ernest Simmons | 13 | Son | — | Virginia |
| 11 | Clarence Boyter | 21 | Head | Laborer | South Carolina |
| 12 | Kelcy Boyter | 24 | Wife | — | Virginia |
| 13 | Rufus Boyter | 5 | Son | — | Virginia |
| 14 | Artha Tucker | 45 | Head | — | Virginia |
| 15 | Virginia Tucker | 18 | Daughter | — | Virginia |
| 16 | Henry Tucker | 19 | Son | Worker | Virginia |
| 17 | James Tucker | 17 | Son | — | Virginia |
| 18 | Sam Tucker | 12 | Son | — | Virginia |
| 19 | Laura Tucker | 6 | Daughter | — | Virginia |
| 20 | Thomas Tucker | 4 | Son | — | Virginia |
| 21 | Maggie Tucker | 2 | Daughter | — | Virginia |
| 22 | Clarence Gregory | 27 | Head | Merchant | Virginia |
| 23 | Maggie Gregory | 20 | Wife | — | Virginia |
| 24 | Willie Roberts | 32 | Boarder | Laborer | Virginia |
| 25 | Mattie Sue Roberts | 25 | Daughter | — | Virginia |
| 26 | Milton Gregory | 30 | Head | Driver | Virginia |
| 27 | Mary Gregory | 26 | Wife | — | South Carolina |
| 28 | Margarette Gregory | 11 | Daughter | — | Virginia |
| 29 | Mary Gregory THIS PERSON | 10 | Daughter | — | Virginia |
| 30 | Elizabeth Gregory | 11 | Daughter | — | Virginia |
| 31 | Dalton Gregory | 10 | Son | — | Virginia |
| 32 | Helen Gregory | 9 | Daughter | — | Virginia |
| 33 | Jennie Lee Gregory | 8 | Daughter | — | Virginia |
| 34 | Shirley Gregory | 5 | Daughter | — | Virginia |
| 35 | Florence Gregory | 4 | Daughter | — | Virginia |
| 36 | Theodore Gregory | 3 | Son | — | Virginia |
| 37 | Frederick Gregory | 2 | Son | — | Virginia |
| 38 | Nelson Gregory | 1 | Son | — | Virginia |
| 39 | Arthur Gregory | 31 | Head | Janitor | Virginia |
| 40 | Alice Gregory | 26 | Wife | — | 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)