MK
Mary Keefe — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Keefe across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1906), then head of a 8-person household.
Age 34
b. ~1906
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Keefe |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Cashier |
| Industry | Food Shoppe |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 884 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Cashier |
| Township / Ward | Boston 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Keefe | Daughter | — | 37 | ~1903 |
| Daniel Keefe | Son | — | 25 | ~1915 |
| Dennis Keefe | Head | — | 69 | ~1871 |
| Margaret Keefe | Daughter | — | 38 | ~1902 |
| Mary Keefe | Daughter | — | 34 | ~1906 |
| Francis Keefe | Son | — | 36 | ~1904 |
| John Keefe | Son | — | 24 | ~1916 |
| Mary Keefe | Spouse | — | 63 | ~1877 |
Census Appearances
1930
Suffolk, Massachusetts
Spouse, age 24
Suffolk, Massachusetts · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keefe |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 34
Suffolk-County, Massachusetts · implied b. ~1906 — 8 household members
| Surname | Keefe |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Cashier |
| Industry | Food Shoppe |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 884 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| 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 Keefe across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Keefe
Daughter · 1940 · age 34 · b. ~1906 · Massachusetts
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Sibling
Margaret Keefe
Sibling · 1940 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Keefe
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Keefe
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Keefe
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Keefe
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01679-00529)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna M. Bird | 52 | Head | Houseworker | Irish Free State |
| 2 | Joseph Haley | 22 | Step-son | Attendant | Massachusetts |
| 3 | Mary E. Mcnamara | 52 | Head | — | Irish Free State |
| 4 | Mary E. Mcnamara | 23 | Daughter | Timekeeper | Massachusetts |
| 5 | Hannah Mcguire | 62 | Head | — | Massachusetts |
| 6 | Annie Mcguire | 58 | Sister | School Teacher | Massachusetts |
| 7 | Cesare L. Paraboschi | 50 | Head | Assistant Assessor | Massachusetts |
| 8 | Adeltha D. Paraboschi | 50 | Wife | — | Massachusetts |
| 9 | Marie L. Paraboschi | 25 | Daughter | New Worker | Massachusetts |
| 10 | Chester Bean | 21 | Head | Spray Gun Man | Massachusetts |
| 11 | Edna Bean | 19 | Wife | — | Massachusetts |
| 12 | Mary Bean | 1 | Daughter | — | Massachusetts |
| 13 | John E. Sexton | 51 | Head | Street Car Operator | Massachusetts |
| 14 | Mary E. Sexton | 53 | Wife | — | Massachusetts |
| 15 | Marion C. Sexton | 26 | Daughter | Salesgirl | Massachusetts |
| 16 | John E. Sexton | 21 | Son | Alarm Installer | Massachusetts |
| 17 | Rose M. Sexton | 19 | Daughter | — | Massachusetts |
| 18 | James Sexton | 13 | Son | — | Massachusetts |
| 19 | Rosella Travers | 51 | Sister-in-law | Stenographer | Massachusetts |
| 20 | Edward Keefe | 29 | Head | Attendant | Massachusetts |
| 21 | Anna D. Keefe | 29 | Wife | — | Massachusetts |
| 22 | Kenneth Keefe | 5 | Son | — | Massachusetts |
| 23 | Dennis F. Keefe | 69 | Head | — | Massachusetts |
| 24 | Mary E. Keefe | 63 | Wife | — | Massachusetts |
| 25 | Margaret E. Keefe | 38 | Daughter | Telephone Operator | Massachusetts |
| 26 | Helen R. Keefe | 37 | Daughter | Stenographer | Massachusetts |
| 27 | Francis H. Keefe | 36 | Son | — | Massachusetts |
| 28 | Mary E. Keefe THIS PERSON | 34 | Daughter | Cashier | Massachusetts |
| 29 | Daniel R. Keefe | 25 | Son | Stationary Engineer | Massachusetts |
| 30 | John V. Keefe | 24 | Son | Packer | Massachusetts |
| 31 | Mary D. Kelleher | 76 | Head | — | Irish Free State |
| 32 | Mary Kelleher | 53 | Daughter | Cataloguer | Massachusetts |
| 33 | William Kelleher | 41 | Son | Gardener | Massachusetts |
| 34 | Joseph A. O. Fortier | 35 | Head | Repair Man | Canada-French |
| 35 | Jenny Fortier | 32 | Wife | — | Massachusetts |
| 36 | Elizabeth A. Fortier | 5 | Daughter | — | Massachusetts |
| 37 | Edward J. Eudey | 57 | Head | Machinist | Canada-English |
| 38 | Mabel D. Eudey | 57 | Wife | — | Massachusetts |
| 39 | Edna Percival | 29 | Daughter | Housekeeper | Massachusetts |
| 40 | Myrtle Maloney | 23 | Daughter | — | 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)