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Mary West — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bristol-County, Massachusetts
Our Model Tree links this Mary West across the 1920, 1930 and 1940 US Censuses in Bristol-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Frances & Francis — first a daughter (b.~1895), then head of a 4-person household.
Age 45
b. ~1895
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bristol-County, Massachusetts |
| Surname | West |
| Given Name | Mary C. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Bristol |
| 1935 Residence (County) | Bristol |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Est. Birth Year | ~1895 |
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 |
|---|---|---|---|---|
| Mary West | Daughter | — | 45 | ~1895 |
| Helen West | Daughter | — | 50 | ~1890 |
| Francis West | Head | — | 79 | ~1861 |
| Frances West | Spouse | — | 83 | ~1857 |
Census Appearances
1920
Bristol, Massachusetts
Spouse, age 24
Bristol, Massachusetts · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | West |
| Given Name | Maude S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| 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
Bristol, Massachusetts
Spouse, age 34
Bristol, Massachusetts · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | West |
| Given Name | Maud S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Bristol-County, Massachusetts
Daughter, age 45
Bristol-County, Massachusetts · implied b. ~1895 — 4 household members
| Surname | West |
| Given Name | Mary C. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Bristol |
| 1935 Residence (County) | Bristol |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 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 West across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Frances West (~0.92 confidence) and father Francis West (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Frances West
b. ~1857
Source mother
● Household
· direct · ~0.92
Father
Francis West
b. ~1861
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary West
Daughter · 1940 · age 45 · b. ~1895 · Massachusetts
★ You are viewing this record
Sibling
Helen West
Sibling · 1940 · age 50
Source co-child of head (derived)
● Co-child · derived · ~0.88
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
30 people indexed on this census page (nara:1940:m-t0627-01573-00857)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Silva | 23 | daughter | Practical Nursing | Massachusetts |
| 42 | Frances Silva | 22 | daughter | — | Massachusetts |
| 43 | Alice Silva | 18 | daughter | Jewelry Worker | Massachusetts |
| 44 | Arthur Silva | 17 | son | — | Massachusetts |
| 45 | Anthony Silva | 15 | son | — | Rhode Island |
| 46 | Alexandria Silva | 12 | daughter | — | Rhode Island |
| 47 | Herman Silva | 8 | son | — | Rhode Island |
| 48 | Dolores Silva | 6 | daughter | — | Rhode Island |
| 49 | Albert W. Bailey | 75 | head | — | Maine |
| 50 | Maude E. Bailey | 68 | wife | — | New Hampshire |
| 51 | Alfred Stone | 25 | head | — | — |
| 52 | Bernice Stone | 21 | wife | — | — |
| 53 | Stone | 3 | son | — | — |
| 54 | Stone | 3 | son | — | — |
| 55 | Leonard Mcdermott | 33 | head | Fireman | England |
| 56 | Mary E. Mcdermott | 30 | wife | — | Rhode Island |
| 57 | Richard Mcdermott | 5 | son | — | Rhode Island |
| 58 | Robert Mcdermott | 12 | son | — | Rhode Island |
| 59 | Emily M. Olin | 59 | head | — | Rhode Island |
| 60 | Doris J. Olin | 28 | daughter | — | Rhode Island |
| 61 | Margaret Olin | 17 | daughter | — | Massachusetts |
| 62 | William W. Olin | 13 | son | — | Massachusetts |
| 63 | Carl C. Smith | 54 | head | Tool Maker | Rhode Island |
| 64 | Mary E. Smith | 55 | wife | — | Rhode Island |
| 65 | Francis B. West | 79 | head | Owner | Massachusetts |
| 66 | Frances S. West | 83 | wife | — | Connecticut |
| 67 | Helen V. West | 50 | daughter | Bookkeeper | Massachusetts |
| 68 | Mary C. West THIS PERSON | 45 | daughter | — | Massachusetts |
| 69 | Herbert Cromby | 44 | head | Manager | Rhode Island |
| 70 | Hope Cromby | 44 | wife | — | Rhode Island |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)