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James Blake — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monongalia-County, West Virginia
Our Model Tree links this James Blake across the 1930 and 1940 US Censuses in Monongalia-County, West Virginia (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Male
Son
Born: West Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Monongalia-County, West Virginia |
| Surname | Blake |
| Given Name | James E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Cass District |
| 1935 Residence (County) | Monongalia |
| Additional Details | |
| Highest Grade | Yes 6 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | Cass District |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Nancy Blake | Daughter | — | 6 | ~1934 |
| Betty Blake | Daughter | — | 10 | ~1930 |
| Thomas Blake | Son | — | 4 | ~1936 |
| Fred Blake | Head | — | 43 | ~1897 |
| Rella Blake | Spouse | — | 31 | ~1909 |
| James Blake | Son | — | 11 | ~1929 |
| Robert Blake | Son | — | 2 | ~1938 |
| Gladys Blake | Daughter | — | 13 | ~1927 |
| Mary Blake | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Monongalia, West …
Son, age 1
Monongalia, West Virginia · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blake |
| Given Name | James E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | Illinois |
| Mother's Birthplace | West Virginia |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Monongalia-County, West …
Son, age 11
Monongalia-County, West Virginia · implied b. ~1929 — 9 household members
| Surname | Blake |
| Given Name | James E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Cass District |
| 1935 Residence (County) | Monongalia |
| Highest Grade | Yes 6 |
| 1935 Residence | Same place |
| 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 James Blake across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Blake
Son · 1940 · age 11 · b. ~1929 · West Virginia
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Sibling
Mary Blake
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Blake
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Blake
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Blake
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Blake
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Blake
Sibling · 1940 · age 4
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 — Monongalia-County, West Virginia
Open full size
1940 US Federal Census — Monongalia-County, West Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04432-00144)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Everett Rosella Arnold | 1 | Daughter | — | West Virginia |
| 42 | James Hodges | 34 | Head | Laborer | Mississippi |
| 43 | Lenola Hodges | 27 | Wife | — | Pennsylvania |
| 44 | Frida Walker | 3 | Niece | — | West Virginia |
| 45 | Jerry B Franchick | 47 | Head | Truck Driver | Austria |
| 46 | Francis Franchick | 46 | Wife | — | Austria |
| 47 | Elenore Franchick | 6 | Daughter | — | Pennsylvania |
| 48 | Ignity Norris | 60 | Head | — | Russia |
| 49 | Cleve Snowden | 43 | Head | Coal Miner | Alabama |
| 50 | Clerance Shriver | 35 | Head | Night Watchman | Ohio |
| 51 | Hallie Shriver | 30 | Wife | — | Maryland |
| 52 | Betty Jane Shriver | 15 | Daughter | — | West Virginia |
| 53 | Clerance Jr Shriver | 13 | Son | — | West Virginia |
| 54 | Charles R Shriver | 8 | Son | — | West Virginia |
| 55 | Gleen A Shriver | 6 | Son | — | West Virginia |
| 56 | Jenny Dele Shriver | 4 | Son | — | West Virginia |
| 57 | Nellie Shriver | 2 | Daughter | — | West Virginia |
| 58 | Zorn Ray Shriver | 0 | Son | — | West Virginia |
| 59 | Fred C Blake | 43 | Head | Coal Miner | Illinois |
| 60 | Rella I Blake | 31 | Wife | — | West Virginia |
| 61 | Gladys Blake | 13 | Daughter | — | West Virginia |
| 62 | James E Blake THIS PERSON | 11 | Son | — | West Virginia |
| 63 | Betty Lew Blake | 10 | Daughter | — | West Virginia |
| 64 | Mary F Blake | 8 | Daughter | — | West Virginia |
| 65 | Nancy Jane Blake | 6 | Daughter | — | West Virginia |
| 66 | Thomas E Blake | 4 | Son | — | West Virginia |
| 67 | Robert C Blake | 2 | Son | — | West Virginia |
| 68 | Clifford E Davy | 22 | Head | Army Man | West Virginia |
| 69 | Joyce S Davy | 19 | Wife | — | California |
| 70 | Richard F Davy | 0 | Son | — | California |
| 71 | Andy Ball | 54 | Head | Coal Loader | Austria |
| 72 | Elizabeth Ball | 45 | Wife | — | Hungary |
| 73 | Betty Ball | 14 | Daughter | — | West Virginia |
| 74 | Valentine Ball | 9 | Son | — | West Virginia |
| 75 | Duffer Steve Ball | 28 | Son | Track Man | Hungary |
| 76 | John Rockis | 51 | Head | Coal Loader | Russia |
| 77 | Anna Rockis | 45 | Wife | — | Russia |
| 78 | Joseph Rockis | 27 | Son | Teacher | West Virginia |
| 79 | John Jr Rockis | 23 | Son | — | West Virginia |
| 80 | Ellen Rockis | 19 | Daughter | — | 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)