RF
Robert Foster — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Joseph-County, Michigan
Our Model Tree links this Robert Foster across the 1920, 1930 and 1940 US Censuses in St.-Joseph-County, Michigan (XGBoost, ~Confirmed), with identified parents Joseph — first a head (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Joseph-County, Michigan |
| Surname | Foster |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Sturgis city |
| 1935 Residence (County) | St. Joseph |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Motor Transport |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 526 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Truck Driver |
| Township / Ward | Sturgis City |
| Est. Birth Year | ~1907 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Roberta Foster | Daughter | — | ~1940 | |
| Robert Foster | Head | — | 33 | ~1907 |
| Mary Foster | Other | — | 28 | ~1912 |
| Jennie Foster | Spouse | — | 25 | ~1915 |
Census Appearances
1920
St Joseph, …
Other, age 12
St Joseph, Michigan · implied b. ~1908 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Roscoe |
| Relationship to Head | Step Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
St Joseph, …
Son, age 23
St Joseph, Michigan · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Roscoe O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Truck-Driver |
| Industry | Transportation |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
St.-Joseph-County, Michigan
Head, age 33
St.-Joseph-County, Michigan · implied b. ~1907 — 4 household members
| Surname | Foster |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Sturgis city |
| 1935 Residence (County) | St. Joseph |
| Occupation | Truck Driver |
| Industry | Motor Transport |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 526 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Robert Foster across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Nelson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Nelson
b. ~1873
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Foster
Head · 1940 · age 33 · b. ~1907 · Michigan
★ 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 — St.-Joseph-County, Michigan
Open full size
1940 US Federal Census — St.-Joseph-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01817-00500)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry D. Shiley | 70 | Head | — | Michigan |
| 2 | Florence Terry | 69 | Sister-in-law | — | New York |
| 3 | Emma Terry | 59 | Sister | — | Michigan |
| 4 | Robert Foster THIS PERSON | 33 | Head | Truck Driver | Indiana |
| 5 | Jennie Foster | 25 | Wife | — | Michigan |
| 6 | Roberta Foster | 0 | Daughter | — | Michigan |
| 7 | Mary Foster | 28 | Sister-in-law | Waitress | California |
| 8 | Howard Deihls | 36 | Head | Production Manager | Indiana |
| 9 | Elizabeth Deihls | 41 | Wife | — | Indiana |
| 10 | Philip Deihls | 21 | Son | — | Michigan |
| 11 | Ruby Deihls | 18 | Son | Laborer | Michigan |
| 12 | Harry Tooley | 22 | Head | Press Helper | Michigan |
| 13 | Valerie M. Tooley | 19 | Wife | — | Indiana |
| 14 | Edward Warkentine | 53 | Head | Painter | Michigan |
| 15 | Augusta Warkentine | 57 | Wife | — | Germany |
| 16 | Walter Schroeder | 30 | Son-in-law | Printer | Michigan |
| 17 | Elsie Schroeder | 24 | Daughter | — | Michigan |
| 18 | Edwin F. Jones | 25 | Head | Knitter | Michigan |
| 19 | Marie Jones | 24 | Wife | Clerk | Oklahoma |
| 20 | Jack Jones | 19 | Brother-in-law | Dishwasher | Michigan |
| 21 | Sarah Van Buren | 36 | Head | — | Tennessee |
| 22 | Tracy H. Van Buren | 14 | Son | — | California |
| 23 | Poston Van Buren | 5 | Son | — | Illinois |
| 24 | Susie Boyd | None | Maid | — | — |
| 25 | Elizabeth Feihn | 48 | Head | Housework | Austria |
| 26 | Rose Feihn | 26 | Daughter | Machinist | Ohio |
| 27 | Gertrude Feihn | 24 | Daughter | Machinist | Michigan |
| 28 | Harl H. Myers | 52 | Head | Machinist | Nebraska |
| 29 | Minnie Myers | 49 | Wife | — | Michigan |
| 30 | Herbert R. Rice | 70 | Head | — | Indiana |
| 31 | Ettie E. Rice | 70 | Wife | — | Indiana |
| 32 | Eva R. Doniette | 55 | Head | Secretary | Michigan |
| 33 | Prentis Watson | 48 | Head | Manager | Michigan |
| 34 | Ruth E. Watson | 47 | Wife | Teacher | Colorado |
| 35 | Carolyn A. Watson | 17 | Daughter | — | Michigan |
| 36 | Jane S. Watson | 15 | Daughter | — | Indiana |
| 37 | Burl L. Gonderman | 28 | Head | Grocery Store | Indiana |
| 38 | Bernice Gonderman | 27 | Wife | Grocery Store | Michigan |
| 39 | Leo F. Parnell | 27 | Head | Clerical Work | Michigan |
| 40 | Ramona Parnell | 27 | Wife | Physician'S Assistant | Michigan |
Pedigree Summary
Robert
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)