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George Blair — 1940 US Census Record
Model Tree available1940 United States Federal Census · Grand-Isle-County, Vermont
Our Model Tree links this George Blair across the 1920, 1930 and 1940 US Censuses in Grand-Isle-County, Vermont (XGBoost, ~Confirmed), with identified parents Ernest & Alice — first a head (b.~1904), then head of a 5-person household.
Age 36
b. ~1904
Male
Head
Born: Vermont
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grand-Isle-County, Vermont |
| Surname | Blair |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | Alburgh village |
| 1935 Residence (County) | Grand Isle |
| Additional Details | |
| Occupation | Section man |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 676 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Occupation | Section Man |
| Township / Ward | Alburgh Village |
| Est. Birth Year | ~1904 |
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 George | Age | Birth yr |
|---|---|---|---|---|
| Goldie Blair | Daughter | — | 8 | ~1932 |
| Amelia Blair | Spouse | — | 32 | ~1908 |
| Theresa Blair | Daughter | — | 12 | ~1928 |
| George Blair | Head | — | 36 | ~1904 |
| Georgette Blair | Daughter | — | 10 | ~1930 |
Census Appearances
1920
Grand Isle, …
Son, age 13
Grand Isle, Vermont · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1930
Grand Isle, …
Head, age 25
Grand Isle, Vermont · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | George E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Vermont |
| Age at First Marriage | 21 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | No |
| Home Owned/Rented | R |
| Home Value / Rent | 13 |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Grand-Isle-County, Vermont
Head, age 36
Grand-Isle-County, Vermont · implied b. ~1904 — 5 household members
| Surname | Blair |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | Alburgh village |
| 1935 Residence (County) | Grand Isle |
| Occupation | Section man |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 676 |
| Highest Grade | No 6 |
| 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 George Blair across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ernest Blair (~0.92 confidence) and mother Alice Blair (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ernest Blair
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Alice Blair
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Blair
Head · 1940 · age 36 · b. ~1904 · Vermont
★ You are viewing this record
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-t0627-04233-00020)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oliver O'Brien | 74 | Head | — | Canada-French |
| 2 | Marcelene O'Brien | 73 | Wife | — | Canada-French |
| 3 | William O'Brien | 34 | Son | Laborer | Vermont |
| 4 | Ruth O'Brien | 16 | Granddaughter | — | Vermont |
| 5 | Nelson Mumley | 58 | Head | Laborer | Vermont |
| 6 | Emma Mumley | 47 | Wife | — | Vermont |
| 7 | Adeline Rock | 20 | Daughter | Waitress | Vermont |
| 8 | Ruth Rock | 18 | Daughter | — | Vermont |
| 9 | Emma Rock | 14 | Daughter | — | Vermont |
| 10 | Harold Rock | 11 | Son | — | Vermont |
| 11 | George Rock | 9 | Son | — | Vermont |
| 12 | Shirley Rock | 6 | Daughter | — | Vermont |
| 13 | Mae Rock | 25 | Daughter | Scrub Woman | Vermont |
| 14 | Norma Rock | 4 | Granddaughter | — | Vermont |
| 15 | Joseph Duchaine | 34 | Head | Mechanic | Canada-French |
| 16 | Laura Duchaine | 31 | Wife | — | Canada-French |
| 17 | Clifford Duchaine | 14 | Son | — | Vermont |
| 18 | Walter Duchaine | 9 | Son | — | Vermont |
| 19 | George Blair THIS PERSON | 36 | Head | Section Man | Vermont |
| 20 | Amelia Blair | 32 | Wife | Wash Woman | New York |
| 21 | Theresa Blair | 12 | Daughter | — | Vermont |
| 22 | Georgette Blair | 10 | Daughter | — | Vermont |
| 23 | Goldie Blair | 8 | Daughter | — | Vermont |
| 24 | Frank Blair | 60 | Head | Section Man | Vermont |
| 25 | Celia Blair | 58 | Wife | — | Vermont |
| 26 | Gilbert Brisson | 39 | Head | Hostler Helper | Canada-French |
| 27 | Helena Brisson | 37 | Wife | — | Vermont |
| 28 | Esther Brisson | 12 | Daughter | — | Vermont |
| 29 | Leonard Brisson | 9 | Son | — | Vermont |
| 30 | Maxine Brisson | 2 | Daughter | — | Vermont |
| 31 | George J. Valley | 60 | Head | Engine Oiler | Vermont |
| 32 | Lottie Valley | 49 | Wife | — | New York |
| 33 | Norbert Valley | 21 | Son | Paper Deliverer | Vermont |
| 34 | Lucy M. Valley | 85 | Mother | — | New York |
| 35 | Eugene Bourgeois | 76 | Head | — | Canada-French |
| 36 | Mary Bourgeois | 49 | Daughter | — | Canada-French |
| 37 | Wilford Bourgeois | 41 | Son | Carpenter Helper | Canada-French |
| 38 | Edward Bourgeois | 32 | Son | Farmer | Canada-French |
| 39 | Alice Bourgeois | 27 | Daughter | — | Canada-French |
| 40 | William Boarder Thomas | 41 | Boarder | Mechanic | Vermont |
Pedigree Summary
George
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)