MK
Mary Kenney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Kenney across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Kenney |
| Given Name | Mary W |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1450 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Stenographer |
| Township / Ward | Boston |
| Est. Birth Year | ~1900 |
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 |
|---|---|---|---|---|
| James Kenney | Son | — | 26 | ~1914 |
| John Kenney | Head | — | 65 | ~1875 |
| Thomas Kenney | Son | — | 24 | ~1916 |
| Mary O'Brien | Other | — | 63 | ~1877 |
| Edward Kenney | Son | — | 28 | ~1912 |
| Mary Kenney | Daughter | — | 40 | ~1900 |
| Agnes Kenney | Daughter | — | 33 | ~1907 |
| Ellen Kenney | Spouse | — | 65 | ~1875 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 30
Suffolk, Massachusetts · implied b. ~1900 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kenney |
| Given Name | Mary W. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Stenographer |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 40
Suffolk-County, Massachusetts · implied b. ~1900 — 8 household members
| Surname | Kenney |
| Given Name | Mary W |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Stenographer |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1450 |
| Highest Grade | Hs 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 Kenney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kenney
Daughter · 1940 · age 40 · b. ~1900 · Massachusetts
★ You are viewing this record
Sibling
Edward Kenney
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Kenney
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Kenney
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Kenney
Sibling · 1940 · age 33
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-t0627-01671-00299)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charlotte Price | 14 | Daughter | — | Massachusetts |
| 42 | Gerald Price | 9 | Son | — | Massachusetts |
| 43 | Sheldon Price | 3 | Son | — | Massachusetts |
| 44 | Jeremiah Mccarthy | 69 | Head | Tile Helper | Ireland |
| 45 | Mary Mccarthy | 60 | Wife | — | Ireland |
| 46 | Mildred H Mccarthy | 35 | Daughter | Stenographer | Massachusetts |
| 47 | Lillian Mccarthy | 20 | Daughter | Stenographer | Massachusetts |
| 48 | Charles Mccarthy | 26 | Son | Clerk | Massachusetts |
| 49 | Frances Mccarthy | 23 | Daughter | Bookkeeper | Massachusetts |
| 50 | Josephine Mccarthy | 20 | Daughter | Bookkeeper | Massachusetts |
| 51 | Dorothy Mccarthy | 19 | Daughter | New Worker | Massachusetts |
| 52 | Harry Levine | 36 | Head | Agent | New York |
| 53 | Dorothy Levine | 34 | Wife | — | Massachusetts |
| 54 | Norma Levine | 14 | Daughter | — | Massachusetts |
| 55 | Marilyn Levine | 5 | Daughter | — | Massachusetts |
| 56 | Philip Shiefe | 62 | Head | Furrier | Russia |
| 57 | Ida Shiefe | 53 | Wife | — | Russia |
| 58 | Albert Shiefe | 26 | Son | Pharmacist | Canada-English |
| 59 | Rosyln Shiefe | 20 | Daughter | — | Massachusetts |
| 60 | Abraham Wolff | 69 | Lodger | Furrier | Germany |
| 61 | Arthur Wolff | 40 | Lodger | New Worker | New York |
| 62 | John H Kenney | 65 | Head | Grocer | Massachusetts |
| 63 | Ellen D Kenney | 65 | Wife | — | Massachusetts |
| 64 | Mary W Kenney THIS PERSON | 40 | Daughter | Stenographer | Massachusetts |
| 65 | Agnes H Kenney | 33 | Daughter | — | Massachusetts |
| 66 | Edward W Kenney | 28 | Son | Subst Teacher | Massachusetts |
| 67 | James J Kenney | 26 | Son | Clerk | Massachusetts |
| 68 | Thomas Kenney | 24 | Son | Clerk | Massachusetts |
| 69 | Mary E O'Brien | 63 | Lodger | Salesgirl | Massachusetts |
| 70 | James J Kenney | 72 | Head | Storekeeper | Massachusetts |
| 71 | Gertrude V Kenney | 39 | Daughter | School Teacher | Massachusetts |
| 72 | Margaret M Kenney | 35 | Daughter | Bookkeeper | Massachusetts |
| 73 | Ann D Kenney | 34 | Daughter | Bookkeeper | Massachusetts |
| 74 | Elizabeth Kenney | 29 | Daughter | Clerk | Massachusetts |
| 75 | Ethel Kenney | 26 | Daughter | New Worker | Massachusetts |
| 76 | Mary Kenney | 21 | Daughter | — | Massachusetts |
| 77 | Ann O'Donnell | 14 | Granddaughter | — | Massachusetts |
| 78 | Delia Kenney | 62 | Head | Bookkeeper | Massachusetts |
| 79 | Beatrice O'Connor | 60 | Housekeeper | Housekeeper | Massachusetts |
| 80 | Eli Glass | 39 | Head | Foreman | England |
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)