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Robert Wallace — 1940 US Census Record
Model Tree available1940 United States Federal Census · Tippecanoe-County, Indiana
Our Model Tree links this Robert Wallace across the 1920, 1930 and 1940 US Censuses in Tippecanoe-County, Indiana (XGBoost, ~Confirmed), with identified parents Roy & Ray — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tippecanoe-County, Indiana |
| Surname | Wallace |
| Given Name | Robert (at) |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Lafayette |
| 1935 Residence (County) | Tippecanoe |
| Additional Details | |
| Occupation | Electrical engineer |
| Industry | Aeroplane Instrument Co |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 427 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Electrical Engineer |
| Township / Ward | Lafayette |
| Est. Birth Year | ~1917 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Barbara Wallace | Daughter | — | 17 | ~1923 |
| Ray Wallace | Head | — | 51 | ~1889 |
| Opal Levering | Other | — | 25 | ~1915 |
| Robert Wallace | Son | — | 23 | ~1917 |
| Florence Wallace | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Tippecanoe, Indiana
Son, age 3
Tippecanoe, Indiana · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Tippecanoe, Indiana
Son, age 13
Tippecanoe, Indiana · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Tippecanoe-County, Indiana
Son, age 23
Tippecanoe-County, Indiana · implied b. ~1917 — 5 household members
| Surname | Wallace |
| Given Name | Robert (at) |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Lafayette |
| 1935 Residence (County) | Tippecanoe |
| Occupation | Electrical engineer |
| Industry | Aeroplane Instrument Co |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 427 |
| Highest Grade | C 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 Wallace across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Roy Wallace (~0.92 confidence) and father Ray Wallace (~0.92 confidence) and father Roy Wallace (~0.92 confidence) and mother Florence Wallace (~0.92 confidence) and mother Mildred Wallace (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Roy Wallace
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Ray Wallace
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Roy Wallace
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Florence Wallace
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Mildred Wallace
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Wallace
Son · 1940 · age 23 · b. ~1917 · Indiana
★ You are viewing this record
Sibling
Barbara Wallace
Sibling · 1940 · age 17
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 — Tippecanoe-County, Indiana
Open full size
1940 US Federal Census — Tippecanoe-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01098-00250)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eleanor Rose | 27 | Daughter | President + Gen Mgr | Indiana |
| 2 | Paul W Rose | 65 | Head | Owner | Indiana |
| 3 | Nettie Glass | 60 | Housekeeper | House Keeper | Indiana |
| 4 | Opal Moyer | 34 | Wife | Maid | Indiana |
| 5 | J. Romo Snyder | 67 | Head | Owner | Ohio |
| 6 | Georgia Snyder | 65 | Wife | — | Illinois |
| 7 | Areth C Arnett | 57 | Head | Medical Doctor And Surgeon | Indiana |
| 8 | Ethel Arnett | 57 | Wife | — | Indiana |
| 9 | Ray W Wallace | 51 | Head | Owner | Indiana |
| 10 | Florence Wallace | 49 | Wife | — | Indiana |
| 11 | Robert (At) Wallace THIS PERSON | 23 | Son | Electrical Engineer | Indiana |
| 12 | Barbara Wallace | 17 | Daughter | — | Indiana |
| 13 | Opal Levering | 25 | Housekeeper | House Keeper | Indiana |
| 14 | Oliver W Price | 70 | Head | Banker | Indiana |
| 15 | Kathleen Price | 66 | Wife | — | Indiana |
| 16 | Jeanette Sietsema | 21 | Housekeeper | House Keeper | Indiana |
| 17 | John Moyer | 24 | Lodger | Bar Tender | Indiana |
| 18 | Burr Sweezy | 48 | Head | Banker | Indiana |
| 19 | Marian Sweezy | 45 | Wife | — | Indiana |
| 20 | Burr Jr Sweezy | 20 | Son | — | Indiana |
| 21 | Robert Sweezy | 16 | Son | — | Indiana |
| 22 | Ray Butler | 25 | Cook-Token | Bar Tender | Indiana |
| 23 | Elsie Butler | 25 | Housekeeper | House Keeper | Indiana |
| 24 | Ira J Howe | 75 | Head | Owner | Indiana |
| 25 | Annie Howe | 55 | Wife | — | Indiana |
| 26 | Annie Hyde | 52 | Maid | Maid | England |
| 27 | Jane Walker | 50 | Maid | Maid | England |
| 28 | Jane Read | 50 | Maid | Maid | Indiana |
| 29 | Karl Lash-Horovitz | 47 | Head | Professor | Vienna |
| 30 | Betty Lash-Horovitz | 45 | Wife | Research Work | Vienna |
| 31 | Caroline Lash-Horovitz | 11 | Daughter | — | Indiana |
| 32 | Gordon Lash-Horovitz | 9 | Son | — | Indiana |
| 33 | Hertha Lenz | 36 | Lodger | House Keeper | Vienna |
| 34 | James Russell | 25 | Head | — | Kentucky |
| 35 | Betty Russell | 23 | Wife | — | Kentucky |
| 36 | Alvin Huth | 24 | Head | Accountant | Wisconsin |
| 37 | Virginia Huth | 23 | Wife | — | California |
| 38 | Jo Ann Huth | 11 | Daughter | — | Indiana |
| 39 | Ronald Huth | 7 | Son | — | Indiana |
| 40 | Judith Huth | 2 | Daughter | — | Indiana |
Pedigree Summary
Robert + 1 sibling
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)