RH
Robert Hall — 1940 US Census Record
Model Tree available1940 United States Federal Census · Carroll-County, Indiana
Our Model Tree links this Robert Hall across the 1910, 1920, 1930 and 1940 US Censuses in Carroll-County, Indiana (XGBoost, ~Confirmed), with identified parents Geo & George — first a head (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Carroll-County, Indiana |
| Surname | Hall |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Delphi town |
| 1935 Residence (County) | Carroll |
| Additional Details | |
| Occupation | Clerk |
| Industry | meat market |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 52 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Clerk |
| Township / Ward | Delphi Town |
| Est. Birth Year | ~1905 |
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 |
|---|---|---|---|---|
| Nancy Hall | Daughter | — | 2 | ~1938 |
| Cynthia Hall | Daughter | — | 8 | ~1932 |
| Robert Hall | Head | — | 35 | ~1905 |
| Doris Hall | Spouse | — | 36 | ~1904 |
Census Appearances
1910
Carroll, Indiana
Son, age 5
Carroll, Indiana · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Carroll, Indiana
Son, age 15
Carroll, Indiana · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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
Carroll, Indiana
Son, age 25
Carroll, Indiana · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Meat Cutter |
| Industry | Meat market |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Carroll-County, Indiana
Head, age 35
Carroll-County, Indiana · implied b. ~1905 — 4 household members
| Surname | Hall |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Delphi town |
| 1935 Residence (County) | Carroll |
| Occupation | Clerk |
| Industry | meat market |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 52 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Hall across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Geo Hall (~0.92 confidence) and father George Hall (~0.92 confidence) and father George Hall (~0.92 confidence) and mother Jennie Hall (~0.92 confidence) and mother Mary Hall (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Geo Hall
b. ~1870
Source father
● Household
· direct · ~0.92
Father
George Hall
b. ~1870
Source father
● Household
· direct · ~0.92
Father
George Hall
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Jennie Hall
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Mary Hall
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Hall
Head · 1940 · age 35 · b. ~1905 · 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 — Carroll-County, Indiana
Open full size
1940 US Federal Census — Carroll-County, Indiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01029-00106)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Cont'D. Ward | None | — | — | — |
| 42 | Blanche Ward | 59 | Mother | — | Indiana |
| 43 | Harold Ward | 21 | Brother | Private | Indiana |
| 44 | Mary Louise Hoagland | 16 | Niece | — | Indiana |
| 45 | Faith A. Maxwell | 42 | Head | — | Indiana |
| 46 | Richard Maxwell | 14 | Son | — | Indiana |
| 47 | Dean Maxwell | 11 | Son | — | Indiana |
| 48 | Robert Maxwell | 10 | Son | — | Indiana |
| 49 | Patty Maxwell | 7 | Daughter | — | Indiana |
| 50 | William Downs | 51 | Head | — | Indiana |
| 51 | Sylvia V. Downs | 47 | Wife | — | Indiana |
| 52 | Ida Downs | 25 | Daughter | Housekeeper | Indiana |
| 53 | John E. Ferrier | 71 | Head | Caretaker | Indiana |
| 54 | Robert A. Ferrier | 28 | Son | Finisher | Indiana |
| 55 | Claude Trobaugh | 54 | Head | Mail Carrier | Kansas |
| 56 | Maude A. Trobaugh | 53 | Wife | — | Indiana |
| 57 | June Trobaugh | 26 | Daughter | Operator | Indiana |
| 58 | Robert Hall THIS PERSON | 35 | Head | Clerk | Indiana |
| 59 | Doris A. Hall | 36 | Wife | — | Indiana |
| 60 | Cynthia Ann Hall | 8 | Daughter | — | Indiana |
| 61 | Nancy Jean Hall | 2 | Daughter | — | Indiana |
| 62 | George Lamb | 27 | Head | Sawyer | Indiana |
| 63 | Juanita S. Lamb | 23 | Wife | — | Indiana |
| 64 | Edna Ann Lamb | 3 | Daughter | — | Indiana |
| 65 | George Frederick Lamb | 1 | Son | — | Indiana |
| 66 | Frank Hoover | 30 | Head | — | Indiana |
| 67 | Dorothy Hoover | 19 | Wife | — | Indiana |
| 68 | Harold X. Leslie | 31 | Head | Laborer | Indiana |
| 69 | Ida Leslie | 31 | Wife | — | Indiana |
| 70 | Ella Wilson | 76 | Head | — | Indiana |
| 71 | Maud Wilson | 50 | Daughter | Clerk | Indiana |
| 72 | Joe Casey | 12 | Grandson | — | Indiana |
| 73 | John D. Bair | 56 | Head | Laborer | Virginia |
| 74 | Flora D. Bair | 41 | Wife | — | Indiana |
| 75 | John Jr. Bair | 15 | Son | — | Indiana |
| 76 | Dorothy May Bair | 13 | Daughter | — | Indiana |
| 77 | Mary Ellen Bair | 12 | Daughter | — | Indiana |
| 78 | Marion Robbins | 22 | Head | Officer | Indiana |
| 79 | Kathryn D. Robbins | 19 | Wife | — | Indiana |
Pedigree Summary
Robert
Gen 1 · 5 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)