MS
Mary Simmons — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bristol-County, Massachusetts
Our Model Tree links this Mary Simmons across the 1920, 1930 and 1940 US Censuses in Bristol-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 2-person household.
Age 42
b. ~1898
Female
Head
Born: Azores
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Bristol-County, Massachusetts |
| Surname | Simmons |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Widowed |
| Birthplace | Azores |
| 1935 Residence (City) | Dartmouth Town |
| 1935 Residence (County) | Bristol |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Spinner |
| Industry | Cotton mill |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 525 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth Country | Portugal |
| Birthplace (normalized) | azores |
| Occupation | Spinner |
| Township / Ward | Dartmouth Town |
| 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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alice Simmons | Daughter | — | 17 | ~1923 |
| Mary Simmons | Head | — | 42 | ~1898 |
Census Appearances
Spouse, age 25
Bristol, Massachusetts · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simons |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Azores |
| Year of Immigration | 1900 |
| Naturalization Status | Alien |
| Father's Birthplace | Azores |
| Mother's Birthplace | Azores |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Portuguese |
| Birth Country | Portugal |
| Birthplace (normalized) | azores |
1930
Bristol, Massachusetts
Spouse, age 35
Bristol, Massachusetts · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Azores |
| Naturalization Status | Alien |
| Year of Immigration | 1912 |
| Age at First Marriage | 17 |
| Father's Birthplace | Azores |
| Mother's Birthplace | Azores |
| Occupation | laborer |
| Industry | silver industry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Portuguese |
| Birth Country | Portugal |
| Birthplace (normalized) | azores |
1940
Bristol-County, Massachusetts
Head, age 42
Bristol-County, Massachusetts · implied b. ~1898 — 2 household members
| Surname | Simmons |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Widowed |
| Birthplace | Azores |
| 1935 Residence (City) | Dartmouth Town |
| 1935 Residence (County) | Bristol |
| Naturalization Status | Naturalized |
| Occupation | Spinner |
| Industry | Cotton mill |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 525 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth Country | Portugal |
| Birthplace (normalized) | azores |
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 Simmons 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 Simmons
Head · 1940 · age 42 · b. ~1898 · 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-t0627-01572-00193)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice Pina | 33 | Daughter | Winders | Mass |
| 42 | John De Jesus | 31 | Head | Weaver | Mass |
| 43 | Mary De Jesus | 27 | Wife | Weaver | Azores |
| 44 | Daniel De Jesus | 7 | Son | — | Mass |
| 45 | Robert De Jesus | 4 | Son | — | Mass |
| 46 | David De Jesus | 2 | Son | — | Mass |
| 47 | John Jr. De Jesus | 1 | Son | — | Mass |
| 48 | Antonio P. Reis | 45 | Head | Weaver | Portugal |
| 49 | Antonia C. Reis | 47 | Wife | Spinner | Portugal |
| 50 | Arthur Reis | 17 | Son | — | Mass |
| 51 | Michael Souza | 40 | Head | Laborer | Mass |
| 52 | Mary Souza | 38 | Wife | — | Azores |
| 53 | Palmina Medeiros | 57 | Mother-in-law | — | Azores |
| 54 | Jose Arruda | 59 | Head | Farmer | Azores |
| 55 | Maria Arruda | 49 | Wife | — | Azores |
| 56 | Gregorio Avila | 64 | Head | Carpenter | Azores |
| 57 | Alexandria Avila | 39 | Wife | — | Azores |
| 58 | Christina Avila | 29 | Daughter | Pulling Through | Mass |
| 59 | Olive Avila | 22 | Daughter | Floor Girl | Mass |
| 60 | Alice Avila | 17 | Daughter | Pulling Through | Mass |
| 61 | Elder Avila | 14 | Son | — | Mass |
| 62 | Norma Avila | 7 | Daughter | — | Mass |
| 63 | John Xavier | 53 | Head | Loader | Azores |
| 64 | Mary Xavier | 50 | Wife | — | Mass |
| 65 | Maria Pipes | 40 | Head | Speeder Tender | Mass |
| 66 | Arthur F. Sylvia | 45 | Head | Slasher Tender | Mass |
| 67 | Julia Sylvia | 45 | Wife | Speeder Tender | Azores |
| 68 | Elvira Sylvia | 20 | Daughter | Lining | Mass |
| 69 | Albert Sylvia | 18 | Son | C. C. Laborer | Mass |
| 70 | Mary Simmons THIS PERSON | 42 | Head | Spinner | Azores |
| 71 | Alice Simmons | 17 | Daughter | Cleaner | Mass |
| 72 | Antone C. Perry | 42 | Head | Twister Tender | Azores |
| 73 | Mary R. Perry | 40 | Wife | — | Mass |
| 74 | Herbert Perry | 18 | Son | — | Mass |
| 75 | Janette Perry | 17 | Daughter | — | Mass |
| 76 | Leonard Perry | 15 | Son | — | Mass |
| 77 | Vivian Perry | 12 | Daughter | — | Mass |
| 78 | Robert Perry | 7 | Son | — | Mass |
| 79 | Joseph T. Estella | 33 | Head | Roller Painter | Azores |
| 80 | Frances Estella | 32 | Wife | Stitcher | Azores |
Related Census Records
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)