WF
William Foster — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this William Foster across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a head (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Foster |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Salesman |
| Industry | Medical Supply |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1800 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Salesman |
| Township / Ward | Dayton |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| Barbara Foster | Daughter | — | ~1940 | |
| William Foster | Head | — | 24 | ~1916 |
| Beatrice Foster | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Montgomery, Ohio
Son, age 3
Montgomery, Ohio · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Montgomery, Ohio
Son, age 13
Montgomery, Ohio · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | William E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Head, age 24
Montgomery-County, Ohio · implied b. ~1916 — 3 household members
| Surname | Foster |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Occupation | Salesman |
| Industry | Medical Supply |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1800 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Charles Foster (~0.92 confidence) and father Charles Foster (~0.92 confidence) and mother Mamie 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
Charles Foster
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Charles Foster
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Mamie Foster
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Minnie Foster
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Foster
Head · 1940 · age 24 · b. ~1916 · Ohio
★ 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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03256-00175)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Barbara Peters | 6 | Daughter | — | Ohio |
| 42 | Harry Wareing | 36 | Head | Salesman | Ohio |
| 43 | Luella Wareing | 38 | Wife | — | Ohio |
| 44 | Theodore Wareing | 10 | Son | — | Ohio |
| 45 | Eugene Wareing | 8 | Son | — | Ohio |
| 46 | Mary Patricia Wareing | 7 | Daughter | — | Ohio |
| 47 | Caroline Sue Wareing | 4 | Daughter | — | Ohio |
| 48 | William Landrum | 28 | Head | Golf Club Maker | Kentucky |
| 49 | Ola Landrum | 34 | Wife | — | Kentucky |
| 50 | John Rascher | 53 | Head | Pastor | Austria |
| 51 | Hohman William Rev Rascher | 30 | Assistant | Assistant Pastor | Ohio |
| 52 | Schmid Edmond Bro Rascher | 29 | Assistant | Sexton | Ohio |
| 53 | Oscar Gibson | 33 | Head | Inspector | Indiana |
| 54 | Rachel Gibson | 27 | Wife | — | Ohio |
| 55 | Edward Post | 30 | Head | Machinist | Indiana |
| 56 | Lucille Post | 32 | Wife | — | Indiana |
| 57 | Peter J Reid | 50 | Head | Machinist | Connecticut |
| 58 | Flora Mae Reid | 52 | Wife | — | Ohio |
| 59 | John Reid | 14 | Son | — | Ohio |
| 60 | Robert Reid | 13 | Son | — | Ohio |
| 61 | William Foster THIS PERSON | 24 | Head | Salesman | Ohio |
| 62 | Beatrice Foster | 21 | Wife | — | Ohio |
| 63 | Barbara Foster | 0 | Daughter | — | Ohio |
| 64 | Charles Borgerhard | 32 | Head | Service Station | Ohio |
| 65 | Pauline Borgerhard | 31 | Wife | — | Ohio |
| 66 | Betty Lou Borgerhard | 8 | Daughter | — | Ohio |
| 67 | Sidney Powers | 80 | Head | — | Ohio |
| 68 | Julia Powers | 80 | Wife | — | Ohio |
| 69 | Roman Schweiterman | 28 | Head | Painter | Ohio |
| 70 | Mary Schweiterman | 21 | Wife | — | Ohio |
| 71 | Betty Ann Schweiterman | 7 | Daughter | — | Ohio |
| 72 | Carol Lee Schweiterman | 5 | Daughter | — | Ohio |
| 73 | Mary Jean Schweiterman | 2 | Daughter | — | Ohio |
| 74 | Roman Jr Schweiterman | 1 | Son | — | Ohio |
| 75 | Rheta Schweiterman | 17 | Sister | — | Ohio |
| 76 | Paul Berner | 35 | Head | Screw Maker | Ohio |
| 77 | Alma Berner | 32 | Wife | — | Ohio |
| 78 | Evelyn Berner | 10 | Daughter | — | Ohio |
| 79 | Joseph Berner | 5 | Son | — | Ohio |
| 80 | Frank Kiefer | 50 | Head | Die Maker | Ohio |
Pedigree Summary
William
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)