JB
James Blair — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-London-County, Connecticut
Our Model Tree links this James Blair across the 1920, 1930 and 1940 US Censuses in New-London-County, Connecticut (XGBoost, ~Confirmed), with identified parents Isabella & James — first a head (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-London-County, Connecticut |
| Surname | Blair |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Jewett City |
| 1935 Residence (County) | New London |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Superintendent |
| Industry | Rayon Textile |
| Class of Worker | E |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Superintendent |
| Township / Ward | Jewett City |
| Est. Birth Year | ~1906 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Blair | Head | — | 34 | ~1906 |
| Anne Blair | Daughter | — | 1 | ~1939 |
| William Sweet | Other | — | 36 | ~1904 |
| Frances Blair | Spouse | — | 30 | ~1910 |
Census Appearances
1920
New London, …
Son, age 14
New London, Connecticut · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Scotland |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
New London, …
Son, age 24
New London, Connecticut · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Asst Supt of Printing |
| Industry | Bleachery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
New-London-County, Connecticut
Head, age 34
New-London-County, Connecticut · implied b. ~1906 — 4 household members
| Surname | Blair |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Jewett City |
| 1935 Residence (County) | New London |
| Naturalization Status | Naturalized |
| Occupation | Superintendent |
| Industry | Rayon Textile |
| Class of Worker | E |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Blair across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Isabella Blair (~0.92 confidence) and father James Blair (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Isabella Blair
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
James Blair
b. ~1876
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Blair
Head · 1940 · age 34 · b. ~1906 · Connecticut
★ 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 — New-London-County, Connecticut
Open full size
1940 US Federal Census — New-London-County, Connecticut
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00523-00240)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hulda Lund | 46 | Wife | — | Finland |
| 42 | Veda Lund | 20 | Daughter | — | New York |
| 43 | Evelyn Lund | 19 | Daughter | Stenographer | Connecticut |
| 44 | Lillian Lund | 16 | Daughter | — | Connecticut |
| 45 | Frank Greenhalgh | 42 | Head | Foreman | Connecticut |
| 46 | Estelle Greenhalgh | 36 | Wife | — | Connecticut |
| 47 | Keith Greenhalgh | 2 | Son | — | Connecticut |
| 48 | Judith Greenhalgh | 1 | Daughter | — | Connecticut |
| 49 | Laura Judoin | 75 | Mother-in-law | — | Connecticut |
| 50 | Winifred Sweet | 53 | Head | — | Connecticut |
| 51 | Allen Sweet | 33 | Son | Painter | Connecticut |
| 52 | Eileen Sweet | 25 | Daughter | — | Connecticut |
| 53 | Jean Sweet | 12 | Grandchild | — | Connecticut |
| 54 | Joseph Couture | 57 | Head | Carpenter | Rhode Island |
| 55 | Rose Couture | 55 | Wife | — | Connecticut |
| 56 | Carl Couture | 25 | Son | Millwright | Connecticut |
| 57 | Leonard Couture | 17 | Son | — | Connecticut |
| 58 | James Blair THIS PERSON | 34 | Head | Superintendent | Scotland |
| 59 | Frances Blair | 30 | Wife | — | Connecticut |
| 60 | Anne Blair | 1 | Daughter | — | Connecticut |
| 61 | William Sweet | 36 | Brother-in-law | Sizer-Printer | Connecticut |
| 62 | Charles Maynard | 56 | Head | Laborer | Connecticut |
| 63 | Mary Maynard | 59 | Wife | — | Connecticut |
| 64 | Joseph Kozlowski | 39 | Head | Printer'S Apprentice | Pennsylvania |
| 65 | Sophie Kozlowski | 29 | Wife | Winder | Connecticut |
| 66 | Gerard Bejune | 30 | Head | Loomfixer | Canada French |
| 67 | Rose Bejune | 29 | Wife | — | Connecticut |
| 68 | Jeanette Bejune | 2 | Daughter | — | Connecticut |
| 69 | Dorothy Bejune | 1 | Daughter | — | Connecticut |
| 70 | Samuel Garlick | 51 | Head | Maintainer | New Jersey |
| 71 | Florence Garlick | 47 | Wife | — | New Jersey |
| 72 | Arthur Garlick | 24 | Son | Engraver | New Jersey |
| 73 | Alice Brennan | 44 | Head | Nurse R.N. | Connecticut |
| 74 | Criel Liberty | 36 | Housekeeper | Housekeeper | Connecticut |
| 75 | Fortuna Cyr | 33 | Head | Laborer | Connecticut |
| 76 | Bertha Cyr | 31 | Wife | Weaver | Connecticut |
| 77 | Claire Cyr | 12 | Daughter | — | Connecticut |
| 78 | Oscar Lefevre | 35 | Head | Manager | Connecticut |
| 79 | Leona Lefevre | 33 | Wife | — | Connecticut |
| 80 | Estelle Lefevre | 14 | Daughter | — | Connecticut |
Pedigree Summary
James
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)