WF
Walter Foster — 1940 US Census Record
Model Tree available1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this Walter Foster across the 1920, 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Margaret — first a head (b.~1903), then head of a 3-person household.
Age 37
b. ~1903
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Foster |
| Given Name | Walter J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Scituate (Town) |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Occupation | Carpenter |
| Industry | House construction |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 640 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Carpenter |
| Township / Ward | Scituate Town |
| Est. Birth Year | ~1903 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Foster | Daughter | — | 3 | ~1937 |
| Walter Foster | Head | — | 37 | ~1903 |
| Dorothy Foster | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Plymouth, Massachusetts
Son, age 16
Plymouth, Massachusetts · implied b. ~1904 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Walter S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Plymouth, Massachusetts
Son, age 27
Plymouth, Massachusetts · implied b. ~1903 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Walter S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada English |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Plymouth-County, Massachusetts
Head, age 37
Plymouth-County, Massachusetts · implied b. ~1903 — 3 household members
| Surname | Foster |
| Given Name | Walter J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Scituate (Town) |
| 1935 Residence (County) | Plymouth |
| Occupation | Carpenter |
| Industry | House construction |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 640 |
| Highest Grade | Hs 3 |
| 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 Walter Foster across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Foster (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Foster
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Foster
Head · 1940 · age 37 · b. ~1903 · 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 — Plymouth-County, Massachusetts
Open full size
1940 US Federal Census — Plymouth-County, Massachusetts
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01640-00311)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ernest De Costa | 17 | Son | Helper | Massachusetts |
| 42 | George De Costa | 15 | Son | — | Massachusetts |
| 43 | Lucille De Costa | 14 | Daughter | — | Massachusetts |
| 44 | Barbara De Costa | 12 | Daughter | — | Massachusetts |
| 45 | Phyllis De Costa | 11 | Daughter | — | Massachusetts |
| 46 | Fred W. Mccarthy | 44 | Head | Lobster Fisherman | Massachusetts |
| 47 | Nora L. Mccarthy | 48 | Wife | — | Massachusetts |
| 48 | Robert J. Mccarthy | 19 | Son | New Worker | Massachusetts |
| 49 | Frederick D. Mccarthy | 17 | Son | New Worker | Massachusetts |
| 50 | Thomas P. Mccarthy | 6 | Son | — | Massachusetts |
| 51 | Oscar Anderson | 75 | Head | — | Norway |
| 52 | Vasileos Kaponou | 28 | Head | Artist | Greece |
| 53 | Eleanor Kaponou | 27 | Wife | — | New York |
| 54 | Sapho Kaponou | 1 | Daughter | — | New York |
| 56 | Frederick Barry | 55 | Head | Mason | Massachusetts |
| 57 | Frank Barry | 63 | Head | Mason | Massachusetts |
| 58 | Ruth Barry | 21 | Daughter | Salesgirl | Massachusetts |
| 59 | Edward Ward | 47 | Head | Lobster Fisherman | Massachusetts |
| 60 | Gertrude Ward | 23 | Daughter | School Teacher | Massachusetts |
| 61 | Isabell Mackenzie | 43 | Daughter | — | Massachusetts |
| 62 | Bernard Mackenzie | 16 | Grandson | — | Massachusetts |
| 63 | George T. Dwyer | 63 | Head | Lobster Fisherman | Massachusetts |
| 64 | Josephine Dwyer | 63 | Wife | — | Massachusetts |
| 65 | John Barry | 22 | Lodger | Lobster Fisherman | Massachusetts |
| 67 | Benjamin Litchfield | 67 | Head | Sheet Metal Worker | Massachusetts |
| 68 | Margaret E. Litchfield | 64 | Wife | — | Massachusetts |
| 69 | Eugene B. Litchfield | 17 | Son | — | Massachusetts |
| 70 | Claire F. Cunningham | 23 | Niece | Salesgirl | Massachusetts |
| 71 | Frank J. Jr. Whittaker | 29 | Son in law | Repair Man | Massachusetts |
| 72 | Alice G. Whittaker | 26 | Daughter | — | Massachusetts |
| 73 | Thomas J. Whittaker | 4 | Grandson | — | Massachusetts |
| 74 | Walter J. Foster THIS PERSON | 37 | Head | Carpenter | Massachusetts |
| 75 | Dorothy M. Foster | 33 | Wife | — | Massachusetts |
| 76 | Elizabeth Foster | 3 | Daughter | — | Massachusetts |
| 77 | Margaret J. Foster | 65 | Head | — | England |
| 78 | James Hearn | 68 | Head | — | Massachusetts |
| 79 | Annie E. Hearn | 71 | Wife | — | Massachusetts |
| 80 | Frank J. Westerhoff | 44 | Head | Carpenter | Connecticut |
Pedigree Summary
Walter
Gen 1 · 1 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)