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Mary Blake — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Virginia
Our Model Tree links this Mary Blake across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Virginia (XGBoost, ~Confirmed) — first a head (b.~1858), then head of a 9-person household.
Age 82
b. ~1858
Female
Head
Born: Virginia
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Virginia |
| Surname | Blake |
| Given Name | Mary S. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 82 |
| Marital Status | Widowed |
| Birthplace | Virginia |
| 1935 Residence (City) | Unincorporated place Syringa Hill |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Unincorporated Place Syringa Hill |
| Est. Birth Year | ~1858 |
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 |
|---|---|---|---|---|
| Nellie Thomas | Other | — | 45 | ~1895 |
| Mary Blake | Head | — | 82 | ~1858 |
| Nellie Blake | Daughter | — | 44 | ~1896 |
| Harmond Smullen | Other | — | 17 | ~1923 |
| Warren Rowe | Other | — | 15 | ~1925 |
| Rosie Blake | Daughter | — | 55 | ~1885 |
| David Beerman | Other | — | 21 | ~1919 |
| Ernest Gunning | Other | — | 35 | ~1905 |
| Robert Colonna | Other | — | 34 | ~1906 |
Census Appearances
1920
Middlesex, Virginia
Spouse, age 61
Middlesex, Virginia · implied b. ~1859 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blak |
| Given Name | Mary C |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Middlesex, Virginia
Other, age 72
Middlesex, Virginia · implied b. ~1858 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blake |
| Given Name | Mary S |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 24 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Middlesex-County, Virginia
Head, age 82
Middlesex-County, Virginia · implied b. ~1858 — 9 household members
| Surname | Blake |
| Given Name | Mary S. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 82 |
| Marital Status | Widowed |
| Birthplace | Virginia |
| 1935 Residence (City) | Unincorporated place Syringa Hill |
| 1935 Residence (County) | Middlesex |
| Industry | 0 |
| Highest Grade | No 5 |
| 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 Blake across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Blake
Head · 1940 · age 82 · b. ~1858 · Virginia
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Middlesex-County, Virginia
Open full size
1940 US Federal Census — Middlesex-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04276-00983)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary A. Bennett | 48 | Wife | — | Virginia |
| 2 | John W. Bennett | 58 | Brother | — | Virginia |
| 3 | William T. Bennett | 21 | Nephew | — | Virginia |
| 4 | Sibley, Robert F. Bennett | 81 | Father in law | — | Virginia |
| 5 | Dave V. Sibley | 47 | Head | Proprietor | Virginia |
| 6 | Eunice M. Sibley | 36 | Wife | — | Virginia |
| 7 | Rose M. Sibley | 14 | Daughter | — | Virginia |
| 8 | Julian D. Sibley | 12 | Son | — | Virginia |
| 9 | Reba E. Sibley | 7 | Daughter | — | Virginia |
| 10 | Baynard W. Miller | 53 | Head | Fisherman | Virginia |
| 11 | Annie B. Miller | 48 | Wife | — | Virginia |
| 12 | Ulman B. Miller | 20 | Son | Fisherman | Virginia |
| 13 | John B. Miller | 17 | Son | — | Virginia |
| 14 | Josephine A. Miller | 15 | Daughter | — | Virginia |
| 15 | Virgil B. Miller | 12 | Son | — | Virginia |
| 16 | Denny W. Miller | 12 | Son | — | Virginia |
| 17 | Lloyd H. Ashley | 27 | Head | Joint Owner | Virginia |
| 18 | Evelyn L. Ashley | 23 | Wife | — | Virginia |
| 19 | Gaylord S. Ashley | 3 | Daughter | — | Virginia |
| 20 | Mary S. Blake THIS PERSON | 82 | Head | — | Virginia |
| 21 | Rosie Mary S. Blake | 55 | Daughter | — | Virginia |
| 22 | Nellie S. Blake | 44 | Daughter | — | Virginia |
| 23 | Warren R. Rowe | 15 | Grandson | — | Virginia |
| 24 | Nellie S. Thomas | 45 | Boarder | — | Virginia |
| 25 | David Beerman | 21 | Boarder | — | Virginia |
| 26 | Harmond Smullen | 17 | Boarder | — | Virginia |
| 27 | Ernest Gunning | 35 | Boarder | — | Virginia |
| 28 | Robert Colonna | 34 | Boarder | — | Virginia |
| 29 | Robert S. Slaughter | 56 | Head | Farmer | Virginia |
| 30 | Lola M. Slaughter | 52 | Wife | — | Virginia |
| 31 | Manda S. Slaughter | 21 | Daughter | — | Virginia |
| 32 | Ben B. Sibley | 52 | Head | Proprietor | Virginia |
| 33 | Elon M. Sibley | 51 | Wife | — | Virginia |
| 34 | Guy E. Percell | 33 | Head | Electrician | Virginia |
| 35 | Gladis L. Percell | 20 | Wife | — | Virginia |
| 36 | Joyce E. Percell | 3 | Daughter | — | Virginia |
| 37 | Charles E. Percell | 1 | Son | — | Virginia |
| 38 | Howard Mcnamara | 29 | Boarder | Master | New York |
| 39 | Clyde Linton Watson | 50 | Boarder | Seaman | Delaware |
| 40 | Alvin Dunlevy | 27 | Boarder | Marine Oiler | 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)