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Mary Briggs — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Berkshire-County, Massachusetts
Our Model Tree links this Mary Briggs across the 1930 and 1940 US Censuses in Berkshire-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Berkshire-County, Massachusetts |
| Surname | Briggs |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Adams town |
| 1935 Residence (County) | Berkshire |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Adams Town |
| Est. Birth Year | ~1900 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Francis Briggs | Son | — | 9 | ~1931 |
| Patricia Briggs | Daughter | — | 3 | ~1937 |
| Mary Briggs | Spouse | — | 40 | ~1900 |
| Nellie Briggs | Daughter | — | 12 | ~1928 |
| Robert Briggs | Son | — | 2 | ~1938 |
| Donald Briggs | Son | — | 14 | ~1926 |
| Virginia Briggs | Daughter | — | 8 | ~1932 |
| Ray Briggs | Head | — | 33 | ~1907 |
Census Appearances
1930
Berkshire, Massachusetts
Spouse, age 30
Berkshire, Massachusetts · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bragg |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 24 |
| Father's Birthplace | Poland-Austria |
| Mother's Birthplace | Poland-Austria |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Berkshire-County, Massachusetts
Spouse, age 40
Berkshire-County, Massachusetts · implied b. ~1900 — 8 household members
| Surname | Briggs |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Adams town |
| 1935 Residence (County) | Berkshire |
| Highest Grade | No 8 |
| 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 Briggs across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Briggs
Spouse · 1940 · age 40 · b. ~1900 · 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 — Berkshire-County, Massachusetts
Open full size
1940 US Federal Census — Berkshire-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01567-00313)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Albert Lablanche | 36 | boarder | Helper | Massachusetts |
| 42 | Ray B Briggs | 33 | head | Machinist | Massachusetts |
| 43 | Mary Briggs THIS PERSON | 40 | wife | — | Massachusetts |
| 44 | Donald Briggs | 14 | son | — | Massachusetts |
| 45 | Nellie Briggs | 12 | daughter | — | Massachusetts |
| 46 | Francis Briggs | 9 | son | — | Massachusetts |
| 47 | Virginia Briggs | 8 | daughter | — | Massachusetts |
| 48 | Patricia Briggs | 3 | daughter | — | Massachusetts |
| 49 | Robert Briggs | 2 | son | — | Massachusetts |
| 50 | Albert Jubrowski | 52 | head | Helper | Poland |
| 51 | Theodore Jubrowski | 19 | son | Laborer | Massachusetts |
| 52 | Mildred Lagess | 34 | head | — | Massachusetts |
| 53 | George Lagess | 9 | son | — | Massachusetts |
| 54 | Ernest Lagess | 6 | son | — | Massachusetts |
| 55 | Christine Lagess | 8 | daughter | — | Massachusetts |
| 56 | Frank Lagess | None | head | — | — |
| 57 | George Tainley | 61 | head | — | Vermont |
| 58 | Lawrence Bieniek | 29 | head | Peddler | Massachusetts |
| 59 | Catherine Bieniek | 25 | wife | — | Massachusetts |
| 60 | Virginia Bieniek | 3 | daughter | — | Massachusetts |
| 61 | Lorraine Bieniek | 1 | daughter | — | Massachusetts |
| 62 | Casimere Bieniek | 55 | head | Operator | Poland |
| 63 | Catherine Bieniek | 58 | wife | — | Poland |
| 64 | Walter Bieniek | 22 | son | Owner | Massachusetts |
| 65 | Walter Paczosa | 28 | son-in-law | Bobbin Setter | Poland |
| 66 | Julia Paczosa | 24 | daughter | Hand Filler | Massachusetts |
| 67 | Louis Ziminski | 14 | boarder | Helper | Massachusetts |
| 68 | Buckland Road + East Road (Continuation) | None | — | — | — |
| 69 | Arsene Jarvis | 32 | head | Driver | Massachusetts |
| 70 | Orella Jarvis | 25 | wife | — | Massachusetts |
| 71 | Bernard Jarvis | 7 | son | — | Massachusetts |
| 72 | Donald Jarvis | 5 | son | — | Massachusetts |
| 73 | Russell Jarvis | 4 | son | — | Massachusetts |
| 74 | Dorothy Jarvis | 4 | daughter | — | Massachusetts |
| 75 | Nicholas Debacker | 63 | head | Operator | Hungary |
| 76 | Margaret Debacker | 63 | wife | — | Hungary |
| 77 | Mary Fisher | 83 | mother-in-law | — | Hungary |
| 78 | Emil Kleiner | 46 | head | Overseer | Massachusetts |
| 79 | Sarah Kleiner | 45 | wife | Cleaner | Massachusetts |
| 80 | Marguerite Kleiner | 18 | daughter | — | 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)