MC
Mary Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bristol-County, Massachusetts
Our Model Tree links this Mary Cooper across the 1920, 1930 and 1940 US Censuses in Bristol-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 3-person household.
Age 48
b. ~1892
Female
Spouse
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bristol-County, Massachusetts |
| Surname | Cooper |
| Given Name | Mary O. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | New Bedford City |
| 1935 Residence (County) | Bristol |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | New Bedford City |
| Est. Birth Year | ~1892 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Stella Cooper | Daughter | — | 21 | ~1919 |
| James Cooper | Head | — | 49 | ~1891 |
| Mary Cooper | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Bristol, Massachusetts
Spouse, age 28
Bristol, Massachusetts · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1913 |
| Naturalization Status | Alien |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Bristol, Massachusetts
Spouse, age 37
Bristol, Massachusetts · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1913 |
| Age at First Marriage | 21 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Bristol-County, Massachusetts
Spouse, age 48
Bristol-County, Massachusetts · implied b. ~1892 — 3 household members
| Surname | Cooper |
| Given Name | Mary O. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | New Bedford City |
| 1935 Residence (County) | Bristol |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Cooper
Spouse · 1940 · age 48 · b. ~1892 · Massachusetts
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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-t0627-01699-00464)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clifford Meeker | 41 | Head | Marine Engine | Mass |
| 2 | Amy Meeker | 36 | Wife | — | Mass |
| 3 | Janice Meeker | 14 | Daughter | — | Mass |
| 4 | Stanley Budd | 50 | Head | Decorator | New York |
| 5 | Mary R. Budd | 46 | Wife | — | Mass |
| 6 | Catherine P. Fay | 39 | Sister | Teacher | Mass |
| 7 | Mary Fay | 32 | Sister | — | Mass |
| 8 | James Cooper | 49 | Head | Agent | England |
| 9 | Mary O. Cooper THIS PERSON | 48 | Wife | — | England |
| 10 | Stella Cooper | 21 | Daughter | Clerk | Mass |
| 11 | Everett Hilton | 42 | Head | Marine Engine | Mass |
| 12 | Elsie Hilton | 40 | Wife | — | Mass |
| 13 | Nathalie Hilton | 12 | Daughter | — | Mass |
| 14 | Patricia Hilton | 10 | Daughter | — | Mass |
| 15 | Charles Sadalek | 25 | Brother | Doffer | Mass |
| 16 | Alfred Bradley | 65 | Head | Clerk | Mass |
| 17 | Catherine Bradley | 60 | Wife | — | Mass |
| 18 | Jane Cole | 15 | Granddaughter | — | Mass |
| 19 | Robert Jackson | 69 | Head | Designer | England |
| 20 | Mary Jackson | 69 | Wife | — | England |
| 21 | Gladys Jackson | 47 | Daughter | Nurse | Mass |
| 22 | Joseph Jackson | 37 | Son | Delivery | Mass |
| 23 | William Barry | 37 | Head | Salesman | Massachusetts |
| 24 | Helen Barry | 36 | Wife | — | Massachusetts |
| 25 | Clifford Burden | 49 | Head | Laborer | Massachusetts |
| 26 | Edith Burden | 47 | Wife | — | Massachusetts |
| 27 | Edith Enos | 49 | Head | Clerk | Massachusetts |
| 28 | Roland Tiffany | 40 | Son | Machinist | Massachusetts |
| 29 | Evelyn Tiffany | 40 | Daughter-in-law | — | Mass |
| 30 | Leola Tiffany | 3 | Daughter | — | Mass |
| 31 | Evelyn Spooner | 71 | Mother-in-law | — | England |
| 32 | Harry Rondi | 35 | Head | Salesmanager | Mass |
| 33 | Helen Rondi | 36 | Wife | Saleslady | Mass |
| 34 | Robert Cobb | 42 | Head | Photo-Eng. | Mass |
| 35 | Jessie Cobb | 40 | Wife | — | Mass |
| 36 | Robert N. Cobb | 18 | Son | — | Mass |
| 37 | Ralph Brightman | 47 | Head | Laborer | Mass |
| 38 | Carrie Brightman | 47 | Wife | — | Mass |
| 39 | Ralph Brightman | 27 | Son | Attendant | Mass |
| 40 | Marion Brightman | 19 | Daughter | New Worker | Mass |
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)