MF
Mary Foster — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bristol-County, Massachusetts
Our Model Tree links this Mary Foster across the 1920, 1930 and 1940 US Censuses in Bristol-County, Massachusetts (XGBoost, ~Confirmed), with identified parents William & Mary — first a spouse (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bristol-County, Massachusetts |
| Surname | Foster |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | New Bedford city |
| 1935 Residence (County) | Bristol |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | New Bedford City |
| Est. Birth Year | ~1906 |
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 |
|---|---|---|---|---|
| Magy Foster | Daughter | — | 2 | ~1938 |
| Gilbert Foster | Head | — | 34 | ~1906 |
| Mary Foster | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Bristol, Massachusetts
Daughter, age 14
Bristol, Massachusetts · implied b. ~1906 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Bristol, Massachusetts
Daughter, age 24
Bristol, Massachusetts · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Bristol-County, Massachusetts
Spouse, age 34
Bristol-County, Massachusetts · implied b. ~1906 — 3 household members
| Surname | Foster |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | New Bedford city |
| 1935 Residence (County) | Bristol |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H 4 |
| 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 Foster across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Foster (~0.92 confidence) and mother Mary Foster (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Foster
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Mary Foster
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Foster
Spouse · 1940 · age 34 · b. ~1906 · 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 — Bristol-County, Massachusetts
Open full size
1940 US Federal Census — Bristol-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01700-00013)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 42 | Carl H. Lager | 61 | Head | Professor | Sweden |
| 43 | Helen W. Lager | 43 | Wife | — | Connecticut |
| 44 | Hazel H. Lager | 16 | Daughter | — | Connecticut |
| 45 | Harry T. Groves | 43 | Head | Station Engineer | Connecticut |
| 46 | Martha E. Groves | 42 | Wife | — | Rhode Island |
| 47 | David B. Groves | 13 | Son | — | Massachusetts |
| 48 | Francis E. Groves | 9 | Daughter | — | Massachusetts |
| 49 | Alberte Mosher | 65 | Head | Captain | Massachusetts |
| 50 | Edith G. Mosher | 63 | Wife | — | Massachusetts |
| 51 | Ralph E. Stitt | 40 | Head | Supply Photographer | Massachusetts |
| 52 | Ruth A. Stitt | 32 | Wife | — | Massachusetts |
| 53 | Cynthia Stitt | 6 | Daughter | — | Massachusetts |
| 54 | Caleb Jr. Hayward | 54 | Head | Proprietor | New York |
| 55 | Beatrice B. Hayward | 46 | Wife | — | Massachusetts |
| 56 | Lucille B. Hayward | 16 | Daughter | — | Massachusetts |
| 57 | Caleb 3Rd. Hayward | 14 | Son | — | Massachusetts |
| 58 | Harriet C. Hayward | 12 | Daughter | — | Massachusetts |
| 59 | Raymond P. Regan | 34 | Head | Manager | Massachusetts |
| 60 | Marjorie Regan | 33 | Wife | — | Vermont |
| 61 | Patricia Regan | 7 | Daughter | — | Massachusetts |
| 62 | Lawretta Regan | 59 | Mother | — | Massachusetts |
| 63 | Ralph K. Price | 51 | Head | Sales-Man | Massachusetts |
| 64 | Mabelle Price | 50 | Wife | — | Massachusetts |
| 65 | Oman Price | 24 | Son | Asst. Foreman | Massachusetts |
| 66 | Ralph K. Jr. Price | 22 | Son | Stock Clerk | Massachusetts |
| 67 | Richard A. Price | 18 | Son | — | Massachusetts |
| 68 | Charles A. Price | 12 | Son | — | Massachusetts |
| 69 | Janice Price | 16 | Daughter | — | Massachusetts |
| 70 | David Stephenson | 56 | Head | Yarn Inspector | Massachusetts |
| 71 | Emily Stephenson | 56 | Wife | — | Maine |
| 72 | Arnold Wright | 67 | Head | Umbrella Maker | Ireland |
| 73 | Sarah Wright | 56 | Wife | — | Massachusetts |
| 74 | Gilbert V. Foster | 34 | Head | Doctor | Massachusetts |
| 75 | Mary E. Foster THIS PERSON | 34 | Wife | — | Massachusetts |
| 76 | Magy L. Foster | 2 | Daughter | — | Massachusetts |
| 77 | Benjamin Stowell | 81 | Head | — | Massachusetts |
| 78 | Daniel F. Harrington | 52 | Head | Janitor | Massachusetts |
| 79 | Isabelle Harrington | 45 | Wife | — | Massachusetts |
| 80 | Edward Harrington | 25 | Son | Branch Manager | Massachusetts |
Related Census Records
Pedigree Summary
Mary
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)