RF
Robert Ferguson — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Joseph-County, Indiana
Our Model Tree links this Robert Ferguson across the 1920, 1930 and 1940 US Censuses in St.-Joseph-County, Indiana (XGBoost, ~Confirmed), with identified parents Jay & Jay — first a head (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Joseph-County, Indiana |
| Surname | Ferguson |
| Given Name | Robert D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | South Bend |
| 1935 Residence (County) | St. Joseph |
| Additional Details | |
| Occupation | Assistant Service Manager |
| Industry | Automobile Agency |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1250 |
| Highest Grade | H 3 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Assistant Service Manager |
| Township / Ward | South Bend |
| Est. Birth Year | ~1914 |
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 |
|---|---|---|---|---|
| Joyce Ferguson | Daughter | — | 1 | ~1939 |
| Robert Ferguson | Head | — | 26 | ~1914 |
| Larry Ferguson | Son | — | 3 | ~1937 |
| Caryl Ferguson | Spouse | — | 25 | ~1915 |
Census Appearances
1920
St Joseph, …
Son, age 5
St Joseph, Indiana · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ferguson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
St Joseph, …
Son, age 16
St Joseph, Indiana · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ferguson |
| Given Name | Robert L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
St.-Joseph-County, Indiana
Head, age 26
St.-Joseph-County, Indiana · implied b. ~1914 — 4 household members
| Surname | Ferguson |
| Given Name | Robert D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | South Bend |
| 1935 Residence (County) | St. Joseph |
| Occupation | Assistant Service Manager |
| Industry | Automobile Agency |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1250 |
| Highest Grade | H 3 |
| 1935 Residence | Indiana |
| 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 Ferguson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jay Ferguson (~0.92 confidence) and father Jay Ferguson (~0.92 confidence) and mother Myrtle Ferguson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jay Ferguson
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Jay Ferguson
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Myrtle Ferguson
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Ferguson
Head · 1940 · age 26 · b. ~1914 · Indiana
★ 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, Indiana
Open full size
1940 US Federal Census — St.-Joseph-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01133-00197)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nora J. Lee | 41 | Wife | — | Indiana |
| 2 | Robert D. Ferguson THIS PERSON | 26 | Head | Assistant Service Manager | Indiana |
| 3 | Caryl D. Ferguson | 25 | Wife | — | Iowa |
| 4 | Larry D. Ferguson | 3 | Son | — | Indiana |
| 5 | Joyce D. Ferguson | 1 | Daughter | — | Indiana |
| 6 | Raymond L. Hine | 38 | Head | Foundry Metal Worker | Indiana |
| 7 | Thelma E. Hine | 33 | Wife | Saleslady | Indiana |
| 8 | Robert J. Hine | 11 | Son | — | Indiana |
| 9 | Chester L. Witwer | 43 | Head | Personal & Safety Inspector | Indiana |
| 10 | Jeane M. Witwer | 43 | Wife | — | Oregon |
| 11 | William Lee Witwer | 5 | Son | — | Indiana |
| 12 | William E. Mangus | 48 | Head | Tool Room Foreman | Ohio |
| 13 | Elsie A. Mangus | 49 | Wife | — | Indiana |
| 14 | William J. Mangus | 19 | Son | Photostatic Assistant | Indiana |
| 15 | Robert J. Mangus | 16 | Son | — | Indiana |
| 16 | Mary M. Mangus | 14 | Daughter | — | Indiana |
| 17 | Russell E. Mangus | 12 | Son | — | Indiana |
| 18 | Charles H. Mangus | 7 | Son | — | Indiana |
| 19 | Bernard J. Schmidt | 37 | Head | Oil Salesman | New York |
| 20 | Anna Catherine Schmidt | 35 | Wife | — | Indiana |
| 21 | Joseph Edward Schmidt | 12 | Son | — | Indiana |
| 22 | Bernard James Schmidt | 10 | Son | — | New Jersey |
| 23 | Mildred Chopin | 21 | Lodger | Stenographer | Indiana |
| 24 | John Hipskeind | 34 | Head | Civil Engineer | Indiana |
| 25 | Virginia Hipskeind | 31 | Wife | — | Indiana |
| 26 | Nancy J. Hipskeind | 8 | Daughter | — | Illinois |
| 27 | Jack L. Hipskeind | 6 | Son | — | Indiana |
| 28 | Joseph F. Hipskeind | 4 | Son | — | Indiana |
| 29 | Peter F. Jozwiak | 72 | Head | Laborer | Poland |
| 30 | Mary A. Jozwiak | 62 | Wife | — | Michigan |
| 31 | Edward J. Jozwiak | 28 | Son | Laborer | Indiana |
| 32 | Fabianna M. Jozwiak | 28 | Daughter-in-law | — | Indiana |
| 33 | Leonard J. Jozwiak | 9 | Son | — | Indiana |
| 34 | Block 233 Begins Block 287 | None | — | — | — |
| 35 | John Richard Stromberg | 52 | Head | Foreman In Cutting Room | Indiana |
| 36 | Emma E. Stromberg | 57 | Wife | — | Indiana |
| 37 | William Robison | 32 | Head | Tool Grinder | Indiana |
| 38 | Mabel M. Robison | 30 | Wife | — | Illinois |
| 39 | Richard N. Robison | 7 | Son | — | Indiana |
| 40 | Robert W. Robison | 6 | Son | — | Indiana |
Pedigree Summary
Robert
Gen 1 · 3 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)