MR
Mary Robbins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this Mary Robbins across the 1920, 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 4-person household.
Age 60
b. ~1880
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Robbins |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lakeville Town |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lakeville Town |
| Est. Birth Year | ~1880 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Robbins | Daughter | — | 31 | ~1909 |
| Preston Robbins | Head | — | 67 | ~1873 |
| Marion Robbins | Daughter | — | 32 | ~1908 |
| Mary Robbins | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Plymouth, Massachusetts
Spouse, age 39
Plymouth, Massachusetts · implied b. ~1881 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robbins |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Plymouth, Massachusetts
Other, age 50
Plymouth, Massachusetts · implied b. ~1880 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robbins |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 24 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Plymouth-County, Massachusetts
Spouse, age 60
Plymouth-County, Massachusetts · implied b. ~1880 — 4 household members
| Surname | Robbins |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lakeville Town |
| 1935 Residence (County) | Plymouth |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Robbins 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 Robbins
Spouse · 1940 · age 60 · b. ~1880 · 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 — Plymouth-County, Massachusetts
Open full size
1940 US Federal Census — Plymouth-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01638-00614)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry B. Sumner | 45 | Head | Architect | Massachusetts |
| 2 | Jennie E. Sumner | 45 | Wife | — | Massachusetts |
| 3 | Charles L. Weston | 27 | Head | Bus Driver | Massachusetts |
| 4 | Katherine G. Weston | 26 | Wife | — | Connecticut |
| 5 | Alton H. Linton | 21 | Head | Teamster | Massachusetts |
| 6 | Myra S. Linton | 21 | Wife | — | Massachusetts |
| 7 | Alton H. Jr. Linton | 12 | Son | — | Massachusetts |
| 8 | Marion R. Linton | 10 | Daughter | — | Massachusetts |
| 9 | Lumina B. Linton | 8 | Daughter | — | Massachusetts |
| 10 | Barbara B. Linton | 5 | Daughter | — | Massachusetts |
| 11 | Sara A. Linton | 4 | Daughter | — | Massachusetts |
| 12 | Jane S. Linton | 2 | Daughter | — | Massachusetts |
| 13 | Preston Robbins | 67 | Head | Farmer | Massachusetts |
| 14 | Mary Robbins THIS PERSON | 60 | Wife | — | Massachusetts |
| 15 | Marion Robbins | 32 | Daughter | Stenographer | Massachusetts |
| 16 | Helen Robbins | 31 | Daughter | Correspondent | Massachusetts |
| 17 | Percy R. Robbins | 65 | Head | Farmer | Massachusetts |
| 18 | Hattie M. Robbins | 70 | Wife | — | Massachusetts |
| 19 | Stanley R. Mills | 32 | Head | Manager | Vermont |
| 20 | Marguerite A. Mills | 29 | Wife | — | New York |
| 21 | Stanley R. Jr. Mills | 11 | Son | — | Massachusetts |
| 22 | Gordon S. Mills | 10 | Son | — | Massachusetts |
| 23 | Douglas W. Mills | 1 | Son | — | Massachusetts |
| 24 | Robert J. Mills | 58 | Head | Herdsman | New Hampshire |
| 25 | Margaret J. Mills | 57 | Wife | — | England |
| 26 | Charles H. Wells | 51 | Head | Gardener | Vermont |
| 27 | Katie M. Wells | 52 | Wife | — | Vermont |
| 28 | Catherine B. Wells | 13 | Daughter | — | Massachusetts |
| 29 | Lionel K. Wells | 22 | Son | Laborer | Massachusetts |
| 30 | Hazel R. Wells | 23 | Daughter in law | — | New Jersey |
| 31 | Ethan A. Pierce | 73 | Head | Farmer | Massachusetts |
| 32 | Judith C. Pierce | 75 | Wife | — | Massachusetts |
| 33 | Ernest J. Wilbur | 46 | Head | Laborer | Massachusetts |
| 34 | Florence Wilbur | 45 | Wife | — | Canada |
| 35 | Lena M. Wilbur | 19 | Daughter | House Worker | Massachusetts |
| 36 | Robert J. Wilbur | 18 | Son | Laborer | Massachusetts |
| 37 | Dorothy E. Wilbur | 11 | Daughter | — | Massachusetts |
| 38 | Wilfred E. Wilbur | 9 | Son | — | Massachusetts |
| 39 | Mary S. Wilbur | 7 | Daughter | — | Massachusetts |
| 40 | Clarence E. Wilbur | 26 | Son | Laborer | 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)