MM
Mary Merrill — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Norfolk-County, Massachusetts
Our Model Tree links this Mary Merrill across the 1920, 1930 and 1940 US Censuses in Norfolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Female
Spouse
Born: Rhode Island
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Norfolk-County, Massachusetts |
| Surname | Merrill |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Foxboro |
| 1935 Residence (County) | Norfolk |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Township / Ward | Foxboro |
| Est. Birth Year | ~1898 |
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 |
|---|---|---|---|---|
| Benjamin Merrill | Head | — | 43 | ~1897 |
| Dorothy Merrill | Daughter | — | 21 | ~1919 |
| Mary Merrill | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Norfolk, Massachusetts
Spouse, age 21
Norfolk, Massachusetts · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morrill |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Norfolk, Massachusetts
Other, age 32
Norfolk, Massachusetts · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Merrill |
| Given Name | Mary E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Age at First Marriage | 19 |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Norfolk-County, Massachusetts
Spouse, age 42
Norfolk-County, Massachusetts · implied b. ~1898 — 3 household members
| Surname | Merrill |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Foxboro |
| 1935 Residence (County) | Norfolk |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Merrill across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Merrill
Spouse · 1940 · age 42 · b. ~1898 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Norfolk-County, Massachusetts
Open full size
1940 US Federal Census — Norfolk-County, Massachusetts
Page Contents
32 people indexed on this census page (nara:1940:m-t0627-01627-00506)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Benjamin H. Merrill | 43 | Head | Asst Foreman | Maine |
| 3 | Mary E. Merrill THIS PERSON | 42 | Wife | — | Rhode Island |
| 4 | Dorothy E. Merrill | 21 | Daughter | Clerk | Massachusetts |
| 5 | Oliver P. Sr. Mcneil | 55 | Head | Welder | Canada-English |
| 6 | Nettie J. Mcneil | 51 | Wife | — | Canada-English |
| 7 | Oliver P. Jr. Mcneil | 27 | Son | Clerk | Massachusetts |
| 8 | G. Harley Nichols | 55 | Head | Real Estate | Canada-English |
| 9 | Mabel L. Nichols | 57 | Wife | — | Connecticut |
| 10 | Theodore Venesis | 54 | Head | Merchant | Greece |
| 11 | Ethel Venesis | 54 | Wife | Operator | Massachusetts |
| 12 | Arthur D. Venesis | 19 | Son | Mechanic | Massachusetts |
| 13 | Dorothea D. Venesis | 17 | Daughter | — | Massachusetts |
| 21 | David J. White | 71 | Head | — | Massachusetts |
| 22 | Cora H. White | 66 | Wife | — | Massachusetts |
| 23 | Naomi E. White | 36 | Daughter | Teacher | Massachusetts |
| 24 | Francis W. Thrasher | 43 | Head | Watchman | New Hampshire |
| 25 | Marie F. Thrasher | 44 | Wife | Maid | Canada-French |
| 26 | Leslie L. Thrasher | 19 | Son | Blue Prints | Massachusetts |
| 27 | Dana H. Thrasher | 17 | Son | New Worker | Massachusetts |
| 28 | Lorraine R. Thrasher | 14 | Daughter | — | Massachusetts |
| 29 | Francis K. Thrasher | 12 | Son | — | Massachusetts |
| 30 | Donald J. Thrasher | 10 | Son | — | Massachusetts |
| 31 | Barbara M. Thrasher | 6 | Daughter | — | Massachusetts |
| 32 | William Engels | 44 | Head | Garage | Massachusetts |
| 33 | Elsie Engels | 32 | Wife | — | Massachusetts |
| 34 | Richard Engels | 0 | Son | — | Massachusetts |
| 35 | Ethel L. Shirley | 65 | Head | — | Massachusetts |
| 36 | Bertha S. Shirley | 68 | Sister-in-law | — | Rhode Island |
| 37 | John P. Taplin | 26 | Head | Draftsman | Massachusetts |
| 38 | Virginia B. Taplin | 21 | Wife | — | Massachusetts |
| 39 | Philip W. Bremner | 42 | Head | Expressman | Massachusetts |
| 40 | Catherine Bremner | 40 | Wife | — | Connecticut |
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)