MS
Mary Shea — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Shea across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 3-person household.
Age 74
b. ~1866
Female
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Shea |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Industry | 0 |
| Highest Grade | S-8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Boston |
| Est. Birth Year | ~1866 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Shea | Daughter | — | 40 | ~1900 |
| Mary Shea | Head | — | 74 | ~1866 |
| Frederick Shea | Son | — | 35 | ~1905 |
Census Appearances
1920
Suffolk, Massachusetts
Other, age 49
Suffolk, Massachusetts · implied b. ~1871 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shea |
| Given Name | Mary E. |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1887 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Housekeeper |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Suffolk, Massachusetts
Other, age 60
Suffolk, Massachusetts · implied b. ~1870 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shea |
| Given Name | Mary |
| Relationship to Head | Sister-H |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1889 |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Baker |
| Industry | Baker Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Suffolk-County, Massachusetts
Head, age 74
Suffolk-County, Massachusetts · implied b. ~1866 — 3 household members
| Surname | Shea |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Industry | 0 |
| Highest Grade | S-8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 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
Mary Shea
Head · 1940 · age 74 · b. ~1866 · 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01675-00200)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Barbara Stenocelli | 3 | Daughter | — | Massachusetts |
| 2 | Vincent Stenocelli | 5 | Son | — | Massachusetts |
| 3 | Robert Stanley | 47 | Head | Ship Inspector | Massachusetts |
| 4 | Claire Stanley | 46 | Wife | — | Massachusetts |
| 5 | John Stanley | 19 | Son | — | Massachusetts |
| 6 | Donald Stanley | 17 | Son | — | Massachusetts |
| 7 | Thomas Mcternan | 31 | Head | Chauffeur | Massachusetts |
| 8 | Mary Mcternan | 30 | Wife | — | Massachusetts |
| 9 | Geraldine Mcternan | 6 | Daughter | — | Massachusetts |
| 10 | Bernadine Mcternan | 3 | Daughter | — | Massachusetts |
| 11 | Robert Mcternan | 0 | Son | — | Massachusetts |
| 12 | Edward Flynn | 53 | Head | Mail Clerk | Massachusetts |
| 13 | Loretta Flynn | 50 | Wife | — | Massachusetts |
| 14 | Edward Flynn | 15 | Son | — | Massachusetts |
| 15 | Mary Flynn | 10 | Daughter | — | Massachusetts |
| 16 | Paul Flynn | 8 | Son | — | Massachusetts |
| 17 | Rita Flynn | 5 | Daughter | — | Massachusetts |
| 18 | Mary Ryan | 55 | Mother-in-law | Matron | Massachusetts |
| 19 | Matthew Walsh | 46 | Head | Post Office Clerk | Massachusetts |
| 20 | Alice Walsh | 43 | Wife | — | Massachusetts |
| 21 | Marie Walsh | 22 | Daughter | Billing Clerk | Massachusetts |
| 22 | James Walsh | 20 | Son | Office Boy | Massachusetts |
| 23 | Eleanor Walsh | 17 | Daughter | Medical Clerk | Massachusetts |
| 24 | Alice Walsh | 16 | Daughter | — | Massachusetts |
| 25 | Ruth Walsh | 10 | Daughter | — | Massachusetts |
| 26 | Claire Walsh | 7 | Daughter | — | Massachusetts |
| 27 | Mary Shea THIS PERSON | 74 | Head | — | Ireland |
| 28 | Helen Shea | 40 | Daughter | — | Massachusetts |
| 29 | Frederick Shea | 35 | Son | Secretary | Massachusetts |
| 30 | Mary Coyne | 45 | Head | Sales Employee | Massachusetts |
| 31 | Helen Coyne | 10 | Daughter | Book Binder | Massachusetts |
| 32 | Frank Edison | 65 | Head | — | Massachusetts |
| 33 | Mary Edison | 64 | Wife | — | Canada-English |
| 34 | Margaret Fitzpatrick | 50 | Sister-in-law | Library Clerk | Massachusetts |
| 35 | John Mcguire | 52 | Head | Carpenter | Massachusetts |
| 36 | Agnes Mcguire | 47 | Wife | — | Massachusetts |
| 37 | Mary Mcguire | 19 | Daughter | — | Massachusetts |
| 38 | Josephine Mcguire | 17 | Daughter | — | Massachusetts |
| 39 | John Mcguire | 4 | Son | — | 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)