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Mary Blackburn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fayette-County, West Virginia
Our Model Tree links this Mary Blackburn across the 1930 and 1940 US Censuses in Fayette-County, West Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Female
Daughter
Born: West Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fayette-County, West Virginia |
| Surname | Blackburn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Fayette |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | West Virginia |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | Fire Creek |
| Est. Birth Year | ~1929 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorthy Blackburn | Daughter | — | 16 | ~1924 |
| Lottie Blackburn | Other | — | 74 | ~1866 |
| Violet Blackburn | Daughter | — | 13 | ~1927 |
| Sherman Blackburn | Son | — | 19 | ~1921 |
| Mary Blackburn | Daughter | — | 11 | ~1929 |
| Mattie Blackburn | Spouse | — | 41 | ~1899 |
| John Blackburn | Head | — | 42 | ~1898 |
Census Appearances
1930
Fayette, West …
Daughter, age 1
Fayette, West Virginia · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackburn |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Fayette-County, West …
Daughter, age 11
Fayette-County, West Virginia · implied b. ~1929 — 7 household members
| Surname | Blackburn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Fayette |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | West Virginia |
| 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 Blackburn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Blackburn
Daughter · 1940 · age 11 · b. ~1929 · West Virginia
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Sibling
Dorthy Blackburn
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Blackburn
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sherman Blackburn
Sibling · 1940 · age 19
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 — Fayette-County, West Virginia
Open full size
1940 US Federal Census — Fayette-County, West Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04402-01093)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Wells | 65 | Head | Power House | Virginia |
| 2 | Pauline Wells | 42 | Wife | — | Virginia |
| 3 | William M. Smith | 44 | Head | Coal Loader | West Virginia |
| 4 | Viola Smith | 28 | Sister | — | West Virginia |
| 5 | Woodrow Smith | 16 | Nephew | — | West Virginia |
| 6 | Dorthy L. Smith | 4 | Niece | — | West Virginia |
| 7 | John Blackburn | 42 | Head | Track Man | Ohio |
| 8 | Mattie S. Blackburn | 41 | Wife | — | Ohio |
| 9 | Sherman Blackburn | 19 | Son | Coal Loader | Ohio |
| 10 | Dorthy Blackburn | 16 | Daughter | — | West Virginia |
| 11 | Violet Blackburn | 13 | Daughter | — | West Virginia |
| 12 | Mary Blackburn THIS PERSON | 11 | Daughter | — | West Virginia |
| 13 | Lottie Blackburn | 74 | Mother | — | Ohio |
| 14 | Newton Higginbothan | 47 | Head | Motorman | West Virginia |
| 15 | Rosa Higginbothan | 46 | Wife | — | West Virginia |
| 16 | Margie Higginbothan | 21 | Daughter | Clerk | West Virginia |
| 17 | William Higginbothan | 20 | Son | Motorman | West Virginia |
| 18 | Herbert Higginbothan | 18 | Son | Coal Loader | West Virginia |
| 19 | Vermont Higginbothan | 14 | Daughter | — | West Virginia |
| 20 | Hilma Higginbothan | 10 | Daughter | — | West Virginia |
| 21 | Jackie Higginbothan | 8 | Son | — | West Virginia |
| 22 | Shirley Higginbothan | 5 | Daughter | — | West Virginia |
| 23 | Artie Ward | 45 | Head | Coal Loader | West Virginia |
| 24 | Lorine Ward | 22 | Wife | — | West Virginia |
| 25 | Ruby Ward | 16 | Daughter | — | West Virginia |
| 26 | Carel Ward | 3 | Son | — | West Virginia |
| 27 | Collin Ward | 1 | Son | — | West Virginia |
| 28 | Archie Ward | 32 | Head | Checkweighman | West Virginia |
| 29 | Lura Ward | 32 | Wife | — | West Virginia |
| 30 | Henry Ward | 11 | Son | — | West Virginia |
| 31 | Rosa Ward | 8 | Daughter | — | West Virginia |
| 32 | Lucille Ward | 7 | Daughter | — | West Virginia |
| 33 | Louise Ward | 7 | Daughter | — | West Virginia |
| 34 | Sidney Ward | 5 | Son | — | West Virginia |
| 35 | Anonna Ward | 3 | Daughter | — | West Virginia |
| 36 | Deloris Ward | 0 | Daughter | — | West Virginia |
| 37 | Nyd P. Jordon | 27 | Head | Drum Runner | West Virginia |
| 38 | Dollie Jordon | 26 | Wife | — | West Virginia |
| 39 | Virginia Jordon | 10 | Daughter | — | West Virginia |
| 40 | Charles P. Jordon | 9 | Son | — | 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)