WF
William Foster — 1940 US Census Record
Model Tree available1940 United States Federal Census · Carver-County, Minnesota
Our Model Tree links this William Foster across the 1920, 1930 and 1940 US Censuses in Carver-County, Minnesota (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Carver-County, Minnesota |
| Surname | Foster |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Watertown Village |
| 1935 Residence (County) | Carver |
| Additional Details | |
| Occupation | Laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 12 |
| Income (1939) | 200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Laborer |
| Township / Ward | Watertown Village |
| Est. Birth Year | ~1915 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Minnie Foster | Head | — | 53 | ~1887 |
| Walter Foster | Son | — | 31 | ~1909 |
| William Foster | Son | — | 25 | ~1915 |
Census Appearances
1920
Carver, Minnesota
Son, age 4
Carver, Minnesota · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Carver, Minnesota
Son, age 14
Carver, Minnesota · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Carver-County, Minnesota
Son, age 25
Carver-County, Minnesota · implied b. ~1915 — 3 household members
| Surname | Foster |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Watertown Village |
| 1935 Residence (County) | Carver |
| Occupation | Laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 12 |
| Income (1939) | 200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 William 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 father William Foster (~0.92 confidence) and mother Minnie Foster (~0.92 confidence) and mother Minnie Foster (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Foster
b. ~1874
Source father
● Household
· direct · ~0.92
Father
William Foster
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Minnie Foster
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Minnie Foster
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Foster
Son · 1940 · age 25 · b. ~1915 · Minnesota
★ You are viewing this record
Sibling
Walter Foster
Sibling · 1940 · age 31
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 — Carver-County, Minnesota
Open full size
1940 US Federal Census — Carver-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01911-00480)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold Holmberg | 42 | Brother | Maintenance Assistant | Minnesota |
| 2 | Leonard G. Holmberg | 37 | Head | Farmer | Minnesota |
| 3 | Eleanor M. Holmberg | 35 | Wife | — | Minnesota |
| 4 | Dennis H. Holmberg | 1 | Nephew | — | Minnesota |
| 5 | Martin A. Brandenburg | 42 | Head | Field Representative | Minnesota |
| 6 | Pearl Brandenburg | 38 | Wife | — | Minnesota |
| 7 | Donald F. Brandenburg | 15 | Son | — | Minnesota |
| 8 | Joyce J. Brandenburg | 9 | Daughter | — | Minnesota |
| 9 | Richard R. Hatmaker | 42 | Head | Operator | Minnesota |
| 10 | Mable Hatmaker | 40 | Wife | — | Minnesota |
| 11 | Richard R. Hatmaker | 11 | Son | — | Minnesota |
| 12 | Janice L. Hatmaker | 7 | Daughter | — | Minnesota |
| 13 | O. J. Westhoff | 31 | Head | Nurse | Minnesota |
| 14 | Esther Sund | 19 | Maid | Maid | Minnesota |
| 15 | Clayton B. Westhoff | 4 | Son | — | Minnesota |
| 16 | A. B. Neff | 38 | Husband | — | Iowa |
| 17 | Lizzie B. Holmberg | 51 | Head | — | Minnesota |
| 18 | Vernon T. Holmberg | 24 | Son | Waiter | Minnesota |
| 19 | Gustave Seek | 73 | Head | — | Minnesota |
| 20 | Mary E. Seek | 71 | Sister | — | Minnesota |
| 21 | Henry W. Shandorf | 43 | Head | Attendant | Minnesota |
| 22 | Gladys E. Shandorf | 39 | Wife | — | Minnesota |
| 23 | Jane E. Shandorf | 10 | Daughter | — | Minnesota |
| 24 | Henry W. Shandorf | 3 | Son | — | Minnesota |
| 25 | Betty J. Shandorf | 2 | Daughter | — | Minnesota |
| 26 | Clarence C. Batdorf | 45 | Head | Electrician | Minnesota |
| 27 | Mildred E. Batdorf | 40 | Wife | — | Minnesota |
| 28 | Virginia E. Batdorf | 20 | Daughter | Maid | Minnesota |
| 29 | Pearl I. Batdorf | 19 | Daughter | Waitress | Minnesota |
| 30 | Eva D. Batdorf | 15 | Daughter | — | Minnesota |
| 31 | Marjorie M. Batdorf | 13 | Daughter | — | Minnesota |
| 32 | Ida M. Batdorf | 8 | Daughter | — | Minnesota |
| 33 | Carl O. Krause | 24 | Head | Helper | Minnesota |
| 34 | Mildred A. Krause | 27 | Wife | — | Minnesota |
| 35 | Carl A. Krause | 5 | Son | — | Minnesota |
| 36 | Ralph J. Miller | 25 | Head | Dairy | Minnesota |
| 37 | Gladys Miller | 23 | Wife | — | Minnesota |
| 38 | Minnie Foster | 53 | Head | — | Minnesota |
| 39 | Walter G. Foster | 31 | Son | Laborer | Minnesota |
| 40 | William A. Foster THIS PERSON | 25 | Son | Laborer | Minnesota |
Pedigree Summary
William + 1 sibling
Gen 1 · 4 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)