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Mary Blake — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Orleans-County, Vermont
Our Model Tree links this Mary Blake across the 1930 and 1940 US Censuses in Orleans-County, Vermont (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Female
Daughter
Born: Vermont
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Orleans-County, Vermont |
| Surname | Blake |
| Given Name | Mary Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Vermont |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Orleans |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Vermont |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Township / Ward | Newport |
| Est. Birth Year | ~1930 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lucille Blake | Daughter | — | 20 | ~1920 |
| Charles Blake | Son | — | 4 | ~1936 |
| Ida Blake | Spouse | — | 40 | ~1900 |
| Raymond Blake | Head | — | 43 | ~1897 |
| Herbert Blake | Son | — | 16 | ~1924 |
| Hazel Blake | Daughter | — | 12 | ~1928 |
| Marion Blake | Daughter | — | 18 | ~1922 |
| Mary Blake | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Orleans, Vermont
Daughter, age
Orleans, Vermont · implied b. ~1930 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blake |
| Given Name | Mary Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Orleans-County, Vermont
Daughter, age 10
Orleans-County, Vermont · implied b. ~1930 — 8 household members
| Surname | Blake |
| Given Name | Mary Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Vermont |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Orleans |
| Highest Grade | No 5 |
| 1935 Residence | Vermont |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Blake
Daughter · 1940 · age 10 · b. ~1930 · Vermont
★ You are viewing this record
Sibling
Charles Blake
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Blake
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Blake
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Blake
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Blake
Sibling · 1940 · age 16
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 — Orleans-County, Vermont
Open full size
1940 US Federal Census — Orleans-County, Vermont
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04234-00436)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lachance | 48 | Head | Merchant | Canada |
| 42 | Lachance | 39 | Wife | — | Vermont |
| 43 | Lachance | 49 | Son | — | Vermont |
| 44 | Lachance | 40 | Head | Service Station Attendant | Canada |
| 45 | Lachance | 35 | Wife | — | Vermont |
| 46 | Lachance | 9 | Son | — | Vermont |
| 47 | Lachance | 66 | Head | — | Vermont |
| 48 | Lachance | 29 | Son | Seamstress | Vermont |
| 49 | Lachance | 25 | Daughter-in-law | Electrician | Massachusetts |
| 50 | Lachance | 3 | Son | 0 | Vermont |
| 51 | Mollie Harvey | 72 | Head | — | New Hampshire |
| 52 | Jane Wilcock | 76 | Sister | — | New Hampshire |
| 53 | Pearl Day | 24 | Head | Caretaker | Vermont |
| 54 | Beulah Day | 24 | Sister | — | Vermont |
| 55 | Robert Sanborn | 47 | Head | Machinist | Vermont |
| 56 | Hazel Sanborn | 41 | Wife | — | Vermont |
| 57 | Eldon Sanborn | 13 | Son | — | Vermont |
| 58 | Jean Sanborn | 10 | Daughter | — | Vermont |
| 59 | Patricia Sanborn | 6 | Daughter | — | Vermont |
| 60 | Gasper Brouillard | 24 | Head | Truckman | Canada |
| 61 | Cecile Brouillard | 20 | Wife | — | Canada |
| 62 | Robert Brouillard | 2 | Son | — | Massachusetts |
| 63 | Alma Elder | 80 | Head | — | Vermont |
| 64 | Eva Martin | 45 | Servant | Servant | Vermont |
| 65 | Vera Martin | 7 | Daughter | — | Vermont |
| 66 | William Griffin | 70 | Lodger | — | Vermont |
| 67 | George Labounty | 73 | Lodger | — | Vermont |
| 68 | Donald Blodah | 24 | Lodger | Service Station Attendant | Vermont |
| 69 | Alfred Blay | 40 | Lodger | Carpenter | Vermont |
| 70 | Raymond P. Blake | 43 | Head | Salesman | Vermont |
| 71 | Ida L. Blake | 40 | Wife | — | Vermont |
| 72 | Lucille M. Blake | 20 | Daughter | Bookkeeper | Vermont |
| 73 | Marion A. Blake | 18 | Daughter | — | Vermont |
| 74 | Herbert L. Blake | 16 | Son | — | Vermont |
| 75 | Hazel P. Blake | 12 | Daughter | — | Vermont |
| 76 | Mary Jean Blake THIS PERSON | 10 | Daughter | — | Vermont |
| 77 | Charles R. Blake | 4 | Son | — | Vermont |
| 78 | Robert D. Drew | 45 | Head | Electrician | Vermont |
| 79 | Eva S. Drew | 43 | Wife | — | Vermont |
| 80 | Omer Lachance | 26 | Head | Manager | Vermont |
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)