MS
Mary Sheehan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Sheehan across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1904), then head of a 8-person household.
Age 36
b. ~1904
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Sheehan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Catherine Sheehan | Daughter | — | 3 | ~1937 |
| Daniel Sheehan | Head | — | 38 | ~1902 |
| Daniel Sheehan | Son | — | 15 | ~1925 |
| Robert Sheehan | Son | — | 6 | ~1934 |
| Francis Sheehan | Son | — | 11 | ~1929 |
| Richard Sheehan | Son | — | 9 | ~1931 |
| Raymond Sheehan | Son | — | 13 | ~1927 |
| Mary Sheehan | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Suffolk, Massachusetts
Other, age 26
Suffolk, Massachusetts · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sheehan |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 19 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Spouse, age 36
Suffolk-County, Massachusetts · implied b. ~1904 — 8 household members
| Surname | Sheehan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (County) | Suffolk |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 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 Mary Sheehan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Sheehan
Spouse · 1940 · age 36 · b. ~1904 · Massachusetts
★ 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01658-00047)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Walsh | 0 | Son | — | Massachusetts |
| 2 | James Shea | 42 | Lodger | Laborer | Massachusetts |
| 3 | Jacob Adelman | 57 | Head | Carpenter | Poland |
| 4 | Sadie Adelman | 41 | Wife | — | Russia |
| 5 | Bennett Adelman | 20 | Son | Salesman | Massachusetts |
| 6 | Mollie Adelman | 19 | Daughter | Bookkeeper | Massachusetts |
| 7 | Milton Adelman | 15 | Son | New Worker | Massachusetts |
| 8 | Shirley Adelman | 15 | Daughter | — | Massachusetts |
| 9 | Maxwell Adelman | 14 | Son | — | Massachusetts |
| 10 | Joseph Adelman | 11 | Son | — | Massachusetts |
| 11 | John Cotreau | 35 | Head | Fish Market | Canada-French |
| 12 | Delphine Cotreau | 34 | Wife | — | Canada-French |
| 13 | Claire Cotreau | 9 | Daughter | — | Massachusetts |
| 14 | Leonard Cotreau | 7 | Son | — | Massachusetts |
| 15 | Camille Gauthier | 64 | Head | — | New York |
| 16 | Ellen Gauthier | 68 | Wife | — | Massachusetts |
| 17 | John Gauthier | 29 | Son | Longshoreman | Massachusetts |
| 18 | Hazel Lauria | 26 | Daughter | Sewing | Massachusetts |
| 19 | Frank Lauria | 6 | Son | — | Massachusetts |
| 20 | Grace Lauria | 3 | Daughter | — | Massachusetts |
| 21 | Daniel Sheehan | 38 | Head | Boilermaker | Massachusetts |
| 22 | Mary Sheehan THIS PERSON | 36 | Wife | — | Massachusetts |
| 23 | Daniel Jr. Sheehan | 15 | Son | — | Massachusetts |
| 24 | Raymond Sheehan | 13 | Son | — | Massachusetts |
| 25 | Francis Sheehan | 11 | Son | — | Massachusetts |
| 26 | Richard Sheehan | 9 | Son | — | Massachusetts |
| 27 | Robert Sheehan | 6 | Son | — | Massachusetts |
| 28 | Catherine Sheehan | 3 | Daughter | — | Massachusetts |
| 29 | Wilfred Muise | 63 | Head | Shipyard | Canada-French |
| 30 | Mary Muise | 45 | Wife | — | Canada-French |
| 31 | Evelyn Muise | 22 | Daughter | Wrapper | Massachusetts |
| 32 | Rita Muise | 20 | Daughter | Paint Washer | Massachusetts |
| 33 | Gladys Muise | 18 | Daughter | New Worker | Massachusetts |
| 34 | Doris Muise | 15 | Daughter | — | Massachusetts |
| 35 | James Muise | 13 | Son | — | Massachusetts |
| 36 | Gerald Vernacchio | 23 | Head | Printer | Massachusetts |
| 37 | Concordia Vernacchio | 25 | Wife | Hosiery Mender | Massachusetts |
| 38 | Henry Gancaro | 58 | Head | Own Shop | Italy |
| 39 | Rose Gancaro | 51 | Wife | — | Italy |
| 40 | Josephine Gancaro | 25 | Daughter | Packer | 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)