MK
Mary Kennedy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hampden-County, Massachusetts
Our Model Tree links this Mary Kennedy across the 1930 and 1940 US Censuses in Hampden-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 11-person household.
Age 18
b. ~1922
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampden-County, Massachusetts |
| Surname | Kennedy |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Holyoke City |
| 1935 Residence (County) | Hampden |
| Additional Details | |
| Occupation | Sewer |
| Industry | Sewing project |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 240 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Sewer |
| Township / Ward | Holyoke City |
| Est. Birth Year | ~1922 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Kennedy | Daughter | — | 18 | ~1922 |
| Margaret Kennedy | Daughter | — | 14 | ~1926 |
| Andrew Kennedy | Head | — | 48 | ~1892 |
| Andrew Kennedy | Son | — | 22 | ~1918 |
| Francis Kennedy | Son | — | 7 | ~1933 |
| Walter Kennedy | Son | — | 20 | ~1920 |
| James Kennedy | Son | — | 2 | ~1938 |
| Edward Kennedy | Son | — | 9 | ~1931 |
| Raymond Kennedy | Son | — | 15 | ~1925 |
| Paul Kennedy | Son | — | 11 | ~1929 |
| Mary Kennedy | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Hampden, Massachusetts
Daughter, age 8
Hampden, Massachusetts · implied b. ~1922 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Hampden-County, Massachusetts
Daughter, age 18
Hampden-County, Massachusetts · implied b. ~1922 — 11 household members
| Surname | Kennedy |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Holyoke City |
| 1935 Residence (County) | Hampden |
| Occupation | Sewer |
| Industry | Sewing project |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 240 |
| Highest Grade | H-3 |
| 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 Mary Kennedy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kennedy
Daughter · 1940 · age 18 · b. ~1922 · Massachusetts
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Sibling
Francis Kennedy
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Kennedy
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Kennedy
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Kennedy
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Kennedy
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Kennedy
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Kennedy
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Kennedy
Sibling · 1940 · age 2
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 — Hampden-County, Massachusetts
Open full size
1940 US Federal Census — Hampden-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01596-00459)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Esther A Buss | 58 | Head | C. P. A. | Massachusetts |
| 2 | Beverly Buss | 10 | Daughter | — | Massachusetts |
| 3 | Walter Beaudoin | 31 | Boarder | Garage Mechanic | Massachusetts |
| 4 | Charles Beaudoin | 24 | Brother | Laborer | Massachusetts |
| 5 | Alfred Pickup | 65 | Head | Executive | England |
| 6 | Hannah Pickup | 64 | Wife | — | England |
| 7 | Alfred H. Voigt | 31 | Head | Teller | Massachusetts |
| 8 | Clara Voigt | 35 | Wife | — | Massachusetts |
| 9 | Allan Voigt | 5 | Son | — | Massachusetts |
| 10 | Winifred Phelps | 65 | Head | — | Massachusetts |
| 11 | Elizabeth Dubour | 45 | Housekeeper | Housekeeper | Germany |
| 12 | Albert Pinney | 51 | Head | Landlord | Connecticut |
| 13 | Claribel Pinney | 49 | Wife | — | Massachusetts |
| 14 | Vernon H. Bigelow | 45 | Head | Steam Engineer | Massachusetts |
| 15 | Lillian Bigelow | 48 | Wife | — | New Hampshire |
| 16 | Vernon H. Jr. Bigelow | 18 | Son | Machinist | Massachusetts |
| 17 | Andrew Kennedy | 48 | Head | Laborer | Irish Free State |
| 18 | Mary Kennedy | 45 | Wife | — | Irish Free State |
| 19 | Andrew C. Kennedy | 22 | Son | — | Massachusetts |
| 20 | Walter Kennedy | 20 | Son | Laborer | Massachusetts |
| 21 | Mary E. Kennedy THIS PERSON | 18 | Daughter | Sewer | Massachusetts |
| 22 | Raymond Kennedy | 15 | Son | — | Massachusetts |
| 23 | Margaret Kennedy | 14 | Daughter | — | Massachusetts |
| 24 | Paul Kennedy | 11 | Son | — | Massachusetts |
| 25 | Edward Kennedy | 9 | Son | — | Massachusetts |
| 26 | Francis Kennedy | 7 | Son | — | Massachusetts |
| 27 | James Kennedy | 2 | Son | — | Massachusetts |
| 28 | Albert Regan | 42 | Head | Machinist | Massachusetts |
| 29 | Dorothea Regan | 39 | Wife | — | Vermont |
| 30 | Ann Whittemore | 13 | Niece | — | New Hampshire |
| 31 | John Lopate | 42 | Head | Salesman | Poland |
| 32 | Celia Lopate | 39 | Wife | — | Massachusetts |
| 33 | Margaret Lopate | 7 | Daughter | — | Massachusetts |
| 34 | Dorothy Lopate | 2 | Daughter | — | Massachusetts |
| 35 | Cora Johnson | 76 | Head | — | Massachusetts |
| 36 | Rachel Johnson | 41 | Daughter | — | Massachusetts |
| 37 | Patricia Johnson | 20 | Granddaughter | — | Massachusetts |
| 38 | Don Johnson | 10 | Grandson | — | Massachusetts |
| 39 | Head George C. | None | M | Heating Industry | — |
| 40 | Lincoln Smith | 42 | Son in law | Manufacturer | Massachusetts |
Related Census Records
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)