MK
Mary Knight — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grand-Isle-County, Vermont
Our Model Tree links this Mary Knight across the 1920, 1930 and 1940 US Censuses in Grand-Isle-County, Vermont (XGBoost, ~Confirmed) — first a spouse (b.~1876), then head of a 5-person household.
Age 64
b. ~1876
Female
Spouse
Born: Vermont
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grand-Isle-County, Vermont |
| Surname | Knight |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | North Hero Town |
| 1935 Residence (County) | Grand Isle |
| Additional Details | |
| Occupation | house wife |
| Industry | farm |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Occupation | House Wife |
| Township / Ward | North Hero Town |
| Est. Birth Year | ~1876 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Florine Dubuque | Daughter | — | 30 | ~1910 |
| Robert Knight | Head | — | 65 | ~1875 |
| Donald Dubuque | Other | — | 5 | ~1935 |
| Herman Dubuque | Other | — | 30 | ~1910 |
| Mary Knight | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Grand Isle, …
Spouse, age 44
Grand Isle, Vermont · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Mrs. Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Vermont |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1930
Grand Isle, …
Other, age 55
Grand Isle, Vermont · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Vermont |
| Age at First Marriage | 21 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Grand-Isle-County, Vermont
Spouse, age 64
Grand-Isle-County, Vermont · implied b. ~1876 — 5 household members
| Surname | Knight |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | North Hero Town |
| 1935 Residence (County) | Grand Isle |
| Occupation | house wife |
| Industry | farm |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| 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 Knight 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 Knight
Spouse · 1940 · age 64 · b. ~1876 · Vermont
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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 — Grand-Isle-County, Vermont
Open full size
1940 US Federal Census — Grand-Isle-County, Vermont
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04233-00093)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mable Poquette | 62 | wife | House Wife | Vermont |
| 42 | Frank Duell | 65 | Head | Owner Home | Vermont |
| 43 | Angeline Duell | 59 | wife | House Worker | Vermont |
| 44 | Edmund Duell | 31 | son | Labor | Vermont |
| 45 | Bert Hagen | 66 | Head | Laborer | New York |
| 46 | Anna Hagen | 57 | wife | House Wife | New York |
| 47 | Willis Cameron | 36 | Head | Labor | Vermont |
| 48 | Edith Cameron | 36 | wife | House Wife | Vermont |
| 49 | Bernedette Cameron | 14 | daughter | School Girl | Vermont |
| 50 | Betty Cameron | 12 | daughter | — | Vermont |
| 51 | Pauline Cameron | 10 | daughter | — | Vermont |
| 52 | Chancey Wayne | 60 | Head | Owner | Vermont |
| 53 | Fannie Rood | 58 | sister | Owner | Vermont |
| 54 | D. Alma Obrien | 36 | house keeper | House Keeper | Canada |
| 55 | Norman Louise Dregon | 0 | daughter | — | Vermont |
| 56 | Charles Knight | 47 | Head | Carpenter | Vermont |
| 57 | Mary Knight | 43 | wife | House Wife | Vermont |
| 58 | Helena Knight | 20 | daughter | Helper At Home | Vermont |
| 59 | Janette Knight | 10 | daughter | — | Vermont |
| 60 | Willfield Savage | 48 | Head | Lives At Home | Vermont |
| 61 | Marvin Savage | 44 | brother | Labor | Vermont |
| 62 | Mitchell Poquette | 72 | Head | Labor | Vermont |
| 63 | Hattie Poquette | 64 | wife | House Wife | Vermont |
| 64 | Robert Knight | 65 | Head | Labor | Vermont |
| 65 | Mary Knight THIS PERSON | 64 | wife | House Wife | Vermont |
| 66 | Herman Dubuque | 30 | son in law | Labor | Vermont |
| 67 | Florine Dubuque | 30 | daughter | House Wife | Vermont |
| 68 | Donald Dubuque | 5 | grandson | — | Vermont |
| 69 | Eleanor Blackwell | 60 | Head | House Mother | New York |
| 70 | Robert Blackwell | 38 | son | Sailor | New York |
| 71 | Charles Holmes | 74 | Head | Labor | Vermont |
| 72 | Jessie Holmes | 29 | daughter | Teacher | Vermont |
| 73 | Walter Vantine | 35 | Head | Caretaker | Vermont |
| 74 | Emilie Vantine | 28 | wife | House Wife | Vermont |
| 75 | Joyce Vantine | 2 | daughter | — | Vermont |
| 76 | Bild Knight | 60 | Head | Merchant | Vermont |
| 77 | Wilma Knight | 55 | wife | House Wife | Vermont |
| 78 | Homer Knight | 30 | son | Labor | Vermont |
| 79 | Elsie Knight | 24 | daughter | Helper | Vermont |
| 80 | Mary File | 59 | Head | House Wife | 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)