MC
Mary Cummings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bristol-County, Massachusetts
Our Model Tree links this Mary Cummings across the 1930 and 1940 US Censuses in Bristol-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bristol-County, Massachusetts |
| Surname | Cummings |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | NEW BEDFORD CITY |
| 1935 Residence (County) | BRISTOL |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | New Bedford City |
| Est. Birth Year | ~1927 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Cummings | Daughter | — | 14 | ~1926 |
| Mary Cummings | Daughter | — | 13 | ~1927 |
| Sarah Cummings | Daughter | — | 6 | ~1934 |
| Francis Cummings | Head | — | 73 | ~1867 |
| William King | Other | — | 64 | ~1876 |
| Byron Cummings | Son | — | 8 | ~1932 |
| Frances Cummings | Son | — | 11 | ~1929 |
| Peter Cummings | Son | — | 5 | ~1935 |
| Sarah Cummings | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Bristol, Massachusetts
Daughter, age 3
Bristol, Massachusetts · implied b. ~1927 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cummings |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Bristol-County, Massachusetts
Daughter, age 13
Bristol-County, Massachusetts · implied b. ~1927 — 9 household members
| Surname | Cummings |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | NEW BEDFORD CITY |
| 1935 Residence (County) | BRISTOL |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 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 13 · b. ~1927 · Massachusetts
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Sibling
Byron Cummings
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Cummings
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Cummings
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Cummings
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Cummings
Sibling · 1940 · age 5
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 — Bristol-County, Massachusetts
Open full size
1940 US Federal Census — Bristol-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01700-00552)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mildred Moore | 18 | Daughter | — | Massachusetts |
| 2 | Thomas F. Sawyer | 35 | Head | Patrolman | Massachusetts |
| 3 | Lucene A. Sawyer | 31 | Wife | — | Massachusetts |
| 4 | George H. Phinney | 53 | Head | Manager | Massachusetts |
| 5 | Edna L. Phinney | 54 | Wife | — | Massachusetts |
| 6 | David M. Ribeiro | 48 | Head | Spooler-Tender | Portugal |
| 7 | Mary Ribeiro | 29 | Wife | — | Azores |
| 8 | Arthur Ribeiro | 15 | Son | Laborer | Massachusetts |
| 9 | David M. Ribeiro | 13 | Son | — | Massachusetts |
| 10 | Anthony Goncalves | 55 | Head | Tire-Cutter | Azores |
| 11 | John Goncalves | 15 | Son | — | Massachusetts |
| 12 | Francis A. Cummings | 73 | Head | Taxi-Driver | Massachusetts |
| 13 | Sarah M. Cummings | 32 | Wife | — | Massachusetts |
| 14 | Ruth Cummings | 14 | Daughter | — | Massachusetts |
| 15 | Mary L. Cummings THIS PERSON | 13 | Daughter | — | Massachusetts |
| 16 | Frances Cummings | 11 | Son | — | Massachusetts |
| 17 | Byron T. Cummings | 8 | Son | — | Massachusetts |
| 18 | Sarah M. Cummings | 6 | Daughter | — | Massachusetts |
| 19 | Peter Cummings | 5 | Son | — | Massachusetts |
| 20 | William King | 64 | Father-in-law | — | Maine |
| 21 | Louisa G. Lean | 61 | Head | — | Azores |
| 22 | Florence Goulart | 44 | Daughter | — | Massachusetts |
| 23 | Arthur Goulart | 22 | Grand-son | Moulder | Massachusetts |
| 24 | Herbert Ryder | 48 | Son-in-law | Baker | Massachusetts |
| 25 | Lucy Ryder | 42 | Daughter | — | Massachusetts |
| 26 | Joseph A. Mcgrohan | 39 | Head | Dentist | Massachusetts |
| 27 | Hazel Mcgrohan | 36 | Wife | — | Massachusetts |
| 28 | Nancy Mcgrohan | 12 | Daughter | — | Massachusetts |
| 29 | Janet Mcgrohan | 11 | Daughter | — | Massachusetts |
| 30 | Joanna Mcgrohan | 5 | Daughter | — | Massachusetts |
| 31 | John H. Mcgrohan | 56 | Brother | Porterman | Massachusetts |
| 32 | Harry D. Bridges | 33 | Head | Salesman | Maine |
| 33 | Helen Bridges | 38 | Wife | Clerk | Massachusetts |
| 34 | Nellie Foster | 73 | Head | — | Massachusetts |
| 35 | Arlda Booth | 41 | Head | Teacher | Massachusetts |
| 36 | Rebecca J. Booth | 80 | Mother | — | Massachusetts |
| 37 | Howland S. King | 39 | Head | Farmer | Massachusetts |
| 38 | Margaret King | 44 | Wife | Teacher | Massachusetts |
| 39 | Paul L. Koch | 30 | Head | Advertising Manager | New York |
| 40 | Gertrude Koch | 30 | Wife | — | New York |
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)