MW
Mary Williamson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Dinwiddie, Virginia
Our Model Tree links this Mary Williamson across the 1930 and 1940 US Censuses in Dinwiddie, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 4
b. ~1926
Female
Daughter
Born: Virginia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Dinwiddie, Virginia |
| Surname | Williamson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Occupation | none |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Sappony District Part |
| Est. Birth Year | ~1926 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mabel Flowers | Daughter | — | 7 | ~1923 |
| Thelma Flowers | Daughter | — | 2 | ~1928 |
| Mary Williamson | Daughter | — | 4 | ~1926 |
| Dorothy Williamson | Daughter | — | 5 | ~1925 |
| Amelia Flowers | Daughter | — | 15 | ~1915 |
| Griffin Flowers | Head | — | 42 | ~1888 |
| Mary Flowers | Other | — | 38 | ~1892 |
| George Flowers | Son | — | 3 | ~1927 |
| Ralph Flowers | Son | — | 20 | ~1910 |
| Eugene Flowers | Son | — | 9 | ~1921 |
Census Appearances
1930
Dinwiddie, Virginia
Daughter, age 4
Dinwiddie, Virginia · implied b. ~1926 — 10 household members
| Surname | Williamson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| 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
Petersburg-City-County, Virginia
Daughter, age 13
Petersburg-City-County, Virginia · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Petersburg city |
| 1935 Residence (County) | nr |
| Highest Grade | No 6 |
| 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 Williamson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Williamson
Daughter · 1930 · age 4 · b. ~1926 · Virginia
★ You are viewing this record
Sibling
Thelma Flowers
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Flowers
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Williamson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Flowers
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amelia Flowers
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Flowers
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Flowers
Sibling · 1930 · age 9
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
1930 US Federal Census — Dinwiddie, Virginia
Open full size
1930 US Federal Census — Dinwiddie, Virginia
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2441unit:0966)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Pauline | 7 | Daughter | None | Virginia |
| 52 | Adline | 3 | Daughter | None | Virginia |
| 53 | Walter | 1 | Son | None | Virginia |
| 54 | Maggie Edward | 12 | Niece-at | None | Virginia |
| 55 | G. W. Bain | 36 | Head | Farmer | Virginia |
| 56 | Ethel M. Bain | 33 | Wife-H | None | Virginia |
| 57 | Mary E. Bain | 13 | Daughter | None | Virginia |
| 58 | Mildred Bain | 4 | Daughter | None | Virginia |
| 59 | Hugh Frasier | 51 | Head | Farmer | Virginia |
| 60 | Robbie Frasier | 50 | Wife-H | None | Virginia |
| 61 | Ashley Frasier | 22 | Son | Laborer | Virginia |
| 62 | Griffin Flowers | 42 | Head | Farmer | Virginia |
| 63 | Mary Flowers | 38 | Wife-H | None | Virginia |
| 64 | Amelia Flowers | 15 | Daughter | None | Virginia |
| 65 | Eugene Flowers | 9 | Son | None | Virginia |
| 66 | Mabel L. Flowers | 7 | Daughter | None | Virginia |
| 67 | George Flowers | 3 | Son | None | Virginia |
| 68 | Ralph Flowers | 20 | Son | Laborer | Virginia |
| 69 | Thelma Flowers | 2 | Daughter | None | Virginia |
| 70 | Dorothy Williamson | 5 | Daughter | None | Virginia |
| 71 | Mary Williamson THIS PERSON | 4 | Daughter | None | Virginia |
| 72 | Henry Key | 43 | Head | Farmer | Virginia |
| 73 | Virginia Key | 35 | Wife-H | None | Virginia |
| 74 | James Key | 17 | Son | Laborer | Virginia |
| 75 | Emiline Key | 14 | Daughter | None | Virginia |
| 76 | Elmora Key | 13 | Daughter | None | Virginia |
| 77 | Raymond Key | 10 | Son | None | Virginia |
| 78 | Ethel Key | 9 | Daughter | None | Virginia |
| 79 | Nellie P. Key | 8 | Daughter | None | Virginia |
| 80 | Edgar M. Key | 3 | Daughter | None | Virginia |
| 81 | John H. Key | 1 | Son | None | Virginia |
| 82 | Junius Lloyd | 52 | Head | Farmer | Virginia |
| 83 | Verna Lloyd | 49 | Wife-H | None | Virginia |
| 84 | George J. Bonner | 27 | Head | Farmer | Virginia |
| 85 | Lula Bonner | 16 | Wife-H | None | Virginia |
| 86 | Melvin G. Bonner | 5 | Son | None | Virginia |
| 87 | George Bonner | 3 | Son | None | Virginia |
| 88 | L. H. Poarch | 63 | Head | None | Virginia |
| 89 | Edgar Poarch | 23 | Wife-H | None | Virginia |
| 90 | Maby B. Poarch | 5 | Daughter | None | Virginia |
| 91 | John Edwards | 55 | Head | Farmer | Virginia |
| 92 | Nancy Edwards | 50 | Wife-H | None | Virginia |
| 93 | Robert G. Young | 17 | G-Son | Laborer | N. Carolina |
| 94 | Coley Edwards | 29 | Head | Farmer | Virginia |
| 95 | Gracie Edwards | 24 | Wife-H | None | Virginia |
| 96 | Corine Edwards | 7 | Daughter | None | Virginia |
| 97 | John W. Edwards | 5 | Son | None | Virginia |
| 98 | Rhanna Edwards | 3 | Daughter | None | Virginia |
| 99 | Lavonia Edwards | 1 | Daughter | None | Virginia |
| 100 | Robt Roney | 44 | Head | Farmer | Virginia |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)