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John Shea — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Shea across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1855), then head of a 3-person household.
Age 85
b. ~1855
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Shea |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 85 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Malden City |
| Est. Birth Year | ~1855 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Alice Robbins | Daughter | — | 52 | ~1888 |
| John Shea | Head | — | 85 | ~1855 |
| Catherine Shea | Spouse | — | 83 | ~1857 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 65
Middlesex, Massachusetts · implied b. ~1855 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shea |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Merchant |
| Industry | Elevator |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Head, age 75
Middlesex, Massachusetts · implied b. ~1855 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shea |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 75 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 23 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6800 |
| Radio Set | R |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 85
Middlesex-County, Massachusetts · implied b. ~1855 — 3 household members
| Surname | Shea |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 85 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 John Shea across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Shea
Head · 1940 · age 85 · b. ~1855 · 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-t0627-01609-00426)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James J. Gilgun | 60 | Head | Milk Dealer | Massachusetts |
| 42 | Mary R. Gilgun | 37 | Wife | — | Massachusetts |
| 43 | Edward D. Gilgun | 12 | Son | — | Massachusetts |
| 44 | Alice A. Gilgun | 9 | Daughter | — | Massachusetts |
| 45 | Fred J. Nash | 32 | Head | Counterman | Georgia |
| 46 | Ann A. Nash | 26 | Wife | Beautician | Massachusetts |
| 47 | Marie G. Winslow | 25 | Lodger | Beautician | Massachusetts |
| 48 | Albert Baker | 45 | Head | Electrician | Connecticut |
| 49 | Louise J. Baker | 43 | Wife | — | Massachusetts |
| 50 | Robert Baker | 17 | Son | — | Massachusetts |
| 51 | Marjorie Baker | 14 | Daughter | — | Massachusetts |
| 52 | Ilene R. Baker | 7 | Daughter | — | Massachusetts |
| 53 | Richard Ericson | 41 | Head | Mason Contractor | Massachusetts |
| 54 | Grace E. Ericson | 39 | Wife | — | Massachusetts |
| 55 | Charles R. Ericson | 9 | Son | — | Massachusetts |
| 56 | John J. Shea THIS PERSON | 85 | Head | — | Massachusetts |
| 57 | Catherine C. Shea | 83 | Wife | — | Illinois |
| 58 | Alice C. Robbins | 52 | Daughter | — | Massachusetts |
| 59 | John J. Dougherty | 34 | Head | Shipper | Canada-English |
| 60 | Mary J. Dougherty | 30 | Wife | Beautician | Canada-English |
| 61 | John V. Smith | 37 | Head | Salesman | Massachusetts |
| 62 | Helen B. Smith | 34 | Wife | — | Massachusetts |
| 63 | Helen T. Smith | 9 | Daughter | — | Massachusetts |
| 64 | Jean M. Smith | 7 | Daughter | — | Massachusetts |
| 65 | Albert E. Collyer | 63 | Head | — | Massachusetts |
| 66 | Annie T. Collyer | 60 | Wife | — | Canada-English |
| 67 | Albert E. Collyer | 24 | Son | Salesman | Massachusetts |
| 68 | James J. Collyer | 19 | Son | Salesman | Massachusetts |
| 69 | Harry P. Collyer | 17 | Son | New Worker | Massachusetts |
| 70 | Adolph Lindblade | 32 | Head | Minister | Sweden |
| 71 | Viola Lindblade | 32 | Wife | — | Sweden |
| 72 | Eric Lindblade | 23 | Son | — | Massachusetts |
| 73 | Viola Lindblade | 21 | Daughter | — | Massachusetts |
| 74 | Ramona Lindblade | 17 | Daughter | — | Massachusetts |
| 76 | Carl A. Loderquist | 61 | Head | House Painter | Sweden |
| 77 | Evelyn Loderquist | 57 | Wife | — | Sweden |
| 78 | William Clement | 53 | Head | Executive | Massachusetts |
| 79 | Bessie Clement | 23 | Daughter | Secretary | Massachusetts |
| 80 | Jenny Foley | 60 | Maid | Maid | Massachusetts |
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)