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Mary Blake — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kanawha-County, West Virginia
Our Model Tree links this Mary Blake across the 1920, 1930 and 1940 US Censuses in Kanawha-County, West Virginia (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 6-person household.
Age 70
b. ~1870
Female
Head
Born: West Virginia
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Kanawha-County, West Virginia |
| Surname | Blake |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | West Virginia |
| 1935 Residence (City) | Reed |
| 1935 Residence (County) | Kanawha |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | Reed |
| Est. Birth Year | ~1870 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Fred Blake | Son | — | 37 | ~1903 |
| James Harless | Other | — | 36 | ~1904 |
| James Harless | Other | — | 12 | ~1928 |
| Willie Harless | Daughter | — | 35 | ~1905 |
| Mary Blake | Head | — | 70 | ~1870 |
| Jess Blake | Son | — | 40 | ~1900 |
Census Appearances
1920
Kanawha, West …
Spouse, age 53
Kanawha, West Virginia · implied b. ~1867 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blake |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | West Virginia |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1930
Kanawha, West …
Spouse, age 63
Kanawha, West Virginia · implied b. ~1867 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blake |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | West Virginia |
| Age at First Marriage | 21 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read/Write | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Kanawha-County, West …
Head, age 70
Kanawha-County, West Virginia · implied b. ~1870 — 6 household members
| Surname | Blake |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | West Virginia |
| 1935 Residence (City) | Reed |
| 1935 Residence (County) | Kanawha |
| Hours Worked | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west 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 70 · b. ~1870 · West Virginia
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Kanawha-County, West Virginia
Open full size
1940 US Federal Census — Kanawha-County, West Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04416-00280)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Shannon | 24 | Nephew | Labour | West Virginia |
| 2 | Virginia Shannon | 21 | Niece | — | Pennsylvania |
| 3 | Hugh G. Martin | 22 | Boarder | App. Marine Engineer | West Virginia |
| 4 | Mary Blake THIS PERSON | 70 | Head | — | West Virginia |
| 5 | Jess Blake | 40 | Son | Electrician | West Virginia |
| 6 | Fred Blake | 37 | Son | Truck Driver | West Virginia |
| 7 | Willie Harless | 35 | Daughter | — | West Virginia |
| 8 | James Harless | 36 | Son-in-law | Store Room | Virginia |
| 9 | James Jr. Harless | 12 | Grandson | — | West Virginia |
| 10 | Alfred E. Buckner | 32 | Head | Stationary Engineer | West Virginia |
| 11 | Theda G. Buckner | 32 | Wife | — | West Virginia |
| 12 | Wayne Buckner | 3 | Son | — | West Virginia |
| 13 | Henry Morris | 55 | Head | Trackman | West Virginia |
| 14 | Snare Morris | 53 | Wife | — | West Virginia |
| 15 | Mary Kathryn Morris | 12 | Daughter | — | West Virginia |
| 16 | Dewey H. Blackburn | 39 | Head | Coal Loader | West Virginia |
| 17 | Nellie B. Blackburn | 27 | Wife | School Teacher | West Virginia |
| 18 | Patricia Blackburn | 2 | Daughter | — | West Virginia |
| 19 | Homer J. Belcher | 35 | Head | Brakeman | West Virginia |
| 20 | Della Belcher | 42 | Wife | Feeder-Operator | West Virginia |
| 21 | Frank J. Hensley | 48 | Head | Carpenter | Ohio |
| 22 | Mary G. Hensley | 44 | Wife | — | West Virginia |
| 23 | Frances A. Hensley | 23 | Daughter | Housekeeper | West Virginia |
| 24 | Emil Hensley | 16 | Son | Teacher | West Virginia |
| 25 | Ralph Hensley | 13 | Son | — | Ohio |
| 26 | Norman Hensley | 11 | Son | — | Ohio |
| 27 | Alfred Hudson | 35 | Head | Barge Repairman | West Virginia |
| 28 | Ruth Hudson | 26 | Wife | Saleslady | West Virginia |
| 29 | Mary Joe Hudson | 5 | Daughter | — | West Virginia |
| 30 | Josephine Mccormick | 19 | Sister-in-law | — | West Virginia |
| 31 | William Slack | 50 | Head | Fireman | West Virginia |
| 32 | Harry Slack | 52 | Head | Engineer | West Virginia |
| 33 | Sally B. Slack | 52 | Wife | — | West Virginia |
| 34 | Marie Slack | 18 | Daughter | — | West Virginia |
| 35 | Ed Wigginton | 27 | Head | Steam Runner | West Virginia |
| 36 | Frances Wigginton | 21 | Wife | — | West Virginia |
| 37 | Charles Atkins | 64 | Father-in-law | Car Repairman | West Virginia |
| 38 | Adam Dickson | 25 | Head | Supply Clerk | West Virginia |
| 39 | Maxine Dickson | 20 | Wife | Clerk | West Virginia |
| 40 | Herbert Ferrell | 40 | Head | Car Inspector | West 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)