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James Cannon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this James Cannon across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 8-person household.
Age 59
b. ~1881
Male
Head
Born: Vermont
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Cannon |
| Given Name | James S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | Newton |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Attorney |
| Industry | Own Practice |
| Class of Worker | OA |
| Hours Worked | 44 |
| Highest Grade | C-5 |
| 1935 Residence | Same Place |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Occupation | Attorney |
| Township / Ward | Newton |
| Est. Birth Year | ~1881 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Robert Cannon | Son | — | 16 | ~1924 |
| Marion Cannon | Spouse | — | 50 | ~1890 |
| William Cannon | Son | — | 20 | ~1920 |
| Leon Cannon | Son | — | 27 | ~1913 |
| James Cannon | Son | — | 25 | ~1915 |
| Helen Cannon | Daughter | — | 13 | ~1927 |
| John Cannon | Son | — | 10 | ~1930 |
| James Cannon | Head | — | 59 | ~1881 |
Census Appearances
1930
Middlesex, Massachusetts
Head, age 48
Middlesex, Massachusetts · implied b. ~1882 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cannon |
| Given Name | James S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Vermont |
| Age at First Marriage | 30 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Attorney |
| Industry | General practice |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 11000 |
| Radio Set | R |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Middlesex-County, Massachusetts
Head, age 59
Middlesex-County, Massachusetts · implied b. ~1881 — 8 household members
| Surname | Cannon |
| Given Name | James S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | Newton |
| 1935 Residence (County) | Middlesex |
| Occupation | Attorney |
| Industry | Own Practice |
| Class of Worker | OA |
| Hours Worked | 44 |
| Highest Grade | C-5 |
| 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 James Cannon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Cannon
Head · 1940 · age 59 · b. ~1881 · Massachusetts
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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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01616-00390)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Beattie | 41 | Head | Salesman | England |
| 42 | Esther Beattie | 39 | Wife | — | Mass |
| 43 | Priscilla Beattie | 11 | Daughter | — | Mass |
| 44 | Lois Beattie | 5 | Daughter | — | Mass |
| 45 | John Allen | 61 | Head | Chauffeur | N. Ireland |
| 46 | Sarah Allen | 57 | Wife | — | N. Ireland |
| 47 | John Allen | 29 | Son | Accountant | Mass |
| 48 | Floris Haley | 55 | Lodger | Companion | N. Ireland |
| 49 | James S. Cannon THIS PERSON | 59 | Head | Attorney | Vermont |
| 50 | Marion Cannon | 50 | Wife | — | Mass |
| 51 | Leon Cannon | 27 | Son | Clerk | Mass |
| 52 | James Jr. Cannon | 25 | Son | Messenger | Mass |
| 53 | William Cannon | 20 | Son | News Worker | Mass |
| 54 | Robert Cannon | 16 | Son | — | Mass |
| 55 | Helen Cannon | 13 | Daughter | — | Mass |
| 56 | John Cannon | 10 | Son | — | Mass |
| 57 | Harry Heath | 51 | Head | Owner | Maryland |
| 58 | Olive Heath | 46 | Wife | — | Eng. Canada |
| 59 | Earl Heath | 25 | Son | Owner | Mass |
| 60 | Geraldine Heath | 21 | Daughter | Typist | Mass |
| 61 | Robert Bundy | 67 | Head | Salesman | N. York |
| 62 | Mildred Mcarthur | 47 | Daughter | Clerk | Mass |
| 63 | Dorothy Mcarthur | 24 | Daughter | Clerk | Mass |
| 64 | Lester Lee | 37 | Head | Salesman | Mass |
| 65 | Alma Lee | 39 | Wife | — | Mass |
| 66 | Allen Lee | 10 | Son | — | Mass |
| 67 | Barbara Lee | 8 | Daughter | — | Mass |
| 68 | Louis Lanced | 41 | Head | Clerk | Mass |
| 69 | Alice Lanced | 40 | Wife | — | Mass |
| 70 | William Lanced | 20 | Son | Shipper | Mass |
| 71 | John Lanced | 16 | Son | — | Mass |
| 72 | Alice Lanced | 11 | Daughter | — | Mass |
| 74 | Charles Slattery | 31 | Head | Vice President | Mass |
| 75 | Annie Slattery | 23 | Sister | Maid | Mass |
| 76 | Jane Willis | 24 | Maid | Maid | Mass |
| 77 | Nina Burke | 53 | Head | Proprietress | Eng. Canada |
| 78 | Harriett Burke | 38 | Sister | — | Eng. Canada |
| 79 | Albert Sampson | 46 | Lodger | Nurse | Mass |
| 80 | Sonya Storer | 30 | Lodger | — | Mass |
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)