MC
Mary Cummings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hampden-County, Massachusetts
Our Model Tree links this Mary Cummings across the 1930 and 1940 US Censuses in Hampden-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampden-County, Massachusetts |
| Surname | Cummings |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | CHICOPEE city |
| 1935 Residence (County) | HAMPDEN |
| Additional Details | |
| Occupation | Secretary |
| Industry | Sporting Goods Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 663 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Secretary |
| Township / Ward | Chicopee 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marguerite Cummings | Daughter | — | 12 | ~1928 |
| Mary Cummings | Daughter | — | 18 | ~1922 |
| Kathleen Cummings | Daughter | — | 17 | ~1923 |
| James Cummings | Head | — | 48 | ~1892 |
| John Cummings | Son | — | 9 | ~1931 |
| James Cummings | Son | — | 15 | ~1925 |
| Katherine Cummings | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Hampden, Massachusetts
Daughter, age 8
Hampden, Massachusetts · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cummings |
| 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 |
| 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 — 7 household members
| Surname | Cummings |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | CHICOPEE city |
| 1935 Residence (County) | HAMPDEN |
| Occupation | Secretary |
| Industry | Sporting Goods Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 663 |
| Highest Grade | No 4 |
| 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 Cummings across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cummings
Daughter · 1940 · age 18 · b. ~1922 · Massachusetts
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Sibling
Marguerite Cummings
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Cummings
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cummings
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Cummings
Sibling · 1940 · age 9
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
39 people indexed on this census page (nara:1940:m-t0627-01593-00814)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Hanna | 49 | Head | Floor Man | Massachusetts |
| 2 | Martha Hanna | 50 | Wife | Laundress | Germany |
| 3 | Constance Hanna | 18 | Daughter | — | Massachusetts |
| 4 | Frank Pelcher | 42 | Head | Truck Driver | Massachusetts |
| 5 | Marcelene Pelcher | 31 | Wife | Machine Operator | Massachusetts |
| 6 | Evelyn Pelcher | 14 | Daughter | — | Massachusetts |
| 7 | Francis T. Pelcher | 8 | Son | — | Massachusetts |
| 8 | Richard Pelcher | 3 | Son | — | Massachusetts |
| 9 | Robert Pelcher | 3 | Son | — | Massachusetts |
| 10 | Andrew Reedy | 35 | Head | Foreman Machinist | Massachusetts |
| 11 | Irene Reedy | 38 | Wife | Tailoress | Massachusetts |
| 12 | Robert Reedy | 4 | Son | — | Massachusetts |
| 13 | Virginia Stone | 61 | Mother-in-law | — | Canada |
| 14 | John Shea | 51 | Head | Sheet Metal Worker | Massachusetts |
| 15 | Mary Shea | 51 | Wife | — | Massachusetts |
| 16 | John Shea | 22 | Son | Payroll | Massachusetts |
| 17 | Frances Shea | 19 | Daughter | Time Keeper | Massachusetts |
| 18 | Rita Shea | 17 | Daughter | — | Massachusetts |
| 19 | James J. Cummings | 48 | Head | Cemetery Superintendent | Free State |
| 20 | Katherine Cummings | 47 | Wife | — | Eire |
| 21 | Mary Cummings THIS PERSON | 18 | Daughter | Secretary | Massachusetts |
| 22 | Kathleen Cummings | 17 | Daughter | New Worker | Massachusetts |
| 23 | James Cummings | 15 | Son | — | Massachusetts |
| 24 | Marguerite Cummings | 12 | Daughter | — | Massachusetts |
| 25 | John Cummings | 9 | Son | — | Massachusetts |
| 26 | John Fitzgibbons | 44 | Head | Machine Operator | Eire |
| 27 | Nora Fitzgibbons | 42 | Wife | — | Eire |
| 28 | Francis Fitzgibbons | 13 | Son | — | Massachusetts |
| 29 | Joseph Fitzgibbons | 10 | Son | — | Massachusetts |
| 30 | William Fitzgibbons | 5 | Son | — | Massachusetts |
| 31 | Michael Leahy | 39 | Brother-in-law | Boiler Maker Helper | Eire |
| 32 | Joseph F. Reiners | 64 | Head | Inspector | New Jersey |
| 33 | Margaret Reiners | 25 | Wife | — | Massachusetts |
| 34 | Jeannette Horowitz | 36 | Daughter | — | Massachusetts |
| 36 | Melvin Horowitz | 8 | Grandson | — | Massachusetts |
| 37 | Donald Horowitz | 2 | Grandson | — | Massachusetts |
| 38 | Adelard St. Pierre | 56 | Head | Mason | Canada |
| 39 | Melvina St. Pierre | 54 | Wife | — | Canada |
| 40 | George St. Pierre | 27 | Son | Foreman | 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)