RA
Robert Arnold — 1940 US Census Record
Model Tree available1940 United States Federal Census · Tippecanoe-County, Indiana
Our Model Tree links this Robert Arnold across the 1920, 1930 and 1940 US Censuses in Tippecanoe-County, Indiana (XGBoost, ~Confirmed), with identified parents Albert & Ellen — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tippecanoe-County, Indiana |
| Surname | Arnold |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Lafayette |
| 1935 Residence (County) | Tippecanoe |
| Additional Details | |
| Occupation | hand straightener |
| Industry | aluminum factory |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 923 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Hand Straightener |
| Township / Ward | Lafayette |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| Robert Arnold | Son | — | 25 | ~1915 |
| John Arnold | Son | — | 32 | ~1908 |
| Ellen Arnold | Head | — | 57 | ~1883 |
| Dorothy Arnold | Daughter | — | 36 | ~1904 |
| Matilda Anderson | Other | — | 84 | ~1856 |
Census Appearances
1920
Tippecanoe, Indiana
Son, age 4
Tippecanoe, Indiana · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Sweden |
| Mother Tongue | Swedish |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Tippecanoe, Indiana
Son, age 14
Tippecanoe, Indiana · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Tippecanoe-County, Indiana
Son, age 25
Tippecanoe-County, Indiana · implied b. ~1915 — 5 household members
| Surname | Arnold |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Lafayette |
| 1935 Residence (County) | Tippecanoe |
| Occupation | hand straightener |
| Industry | aluminum factory |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 923 |
| Highest Grade | H 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 Arnold across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Arnold (~0.92 confidence) and mother Ellen Arnold (~0.92 confidence) and mother Ellen Arnold (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Arnold
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Ellen Arnold
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Ellen Arnold
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Arnold
Son · 1940 · age 25 · b. ~1915 · Indiana
★ You are viewing this record
Sibling
John Arnold
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Arnold
Sibling · 1940 · age 36
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-t0627-01098-00011)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna M. Ely | 53 | Sister | Bookkeeper | Indiana |
| 42 | Charles E. Young | 59 | Head | Cylinder Service | Indiana |
| 43 | Elsie Young | 56 | Wife | — | Michigan |
| 44 | Earl W. Young | 24 | Son | Clerk | Michigan |
| 45 | Oscar W. Young | 20 | Son | Hod-Carrier | Michigan |
| 46 | Oscar L. Humphrey | 24 | Lodger | Taxi Driver | Indiana |
| 47 | Mary S. Kelly | 42 | Head | Elementary Teacher | Indiana |
| 48 | John B. Kennedy | 47 | Head | Pressman | Indiana |
| 49 | Josephine Kennedy | 37 | Wife | — | Indiana |
| 50 | John B. Jr. Clifton | 14 | Son | — | Ohio |
| 51 | Dorothy B. Clifton | 32 | Lodger | English, Librarian | Indiana |
| 52 | Eugene Richard | 29 | Head | Carpenter | Indiana |
| 53 | Zella Richard | 27 | Wife | — | Illinois |
| 54 | Earl H. Fairchild | 31 | Head | Auto Mechanic | Indiana |
| 55 | Myrtle Fairchild | 33 | Wife | — | Michigan |
| 56 | Chester H. Mohn | 37 | Head | Printer | Illinois |
| 57 | Irene N. Mohn | 35 | Wife | — | Indiana |
| 58 | Robert H. Mohn | 16 | Son | Waiter | Indiana |
| 59 | James F. Mohn | 14 | Son | — | Indiana |
| 60 | David M. Mohn | 10 | Son | — | Indiana |
| 61 | Arthur Steinhardt | 54 | Head | Painter | Indiana |
| 62 | Pearl V. Benghana | 56 | Head | Janitor | Indiana |
| 63 | Opal Benghana | 23 | Daughter | Housework | Indiana |
| 64 | Mary Benghana | 21 | Daughter | Housework | Indiana |
| 65 | Ellen Arnold | 57 | Head | Cook | Sweden |
| 66 | Dorothy Arnold | 36 | Daughter | Chief Operator | Indiana |
| 67 | John H. Arnold | 32 | Son | Delivery Man | Indiana |
| 68 | Robert W. Arnold THIS PERSON | 25 | Son | Hand Straightener | Indiana |
| 69 | Matilda Anderson | 84 | Mother | — | Sweden |
| 70 | Oscar L. Leslie | 67 | Head | Fireman | Indiana |
| 71 | Jessie Leslie | 48 | Wife | — | Indiana |
| 72 | Marian L. Leslie | 8 | Daughter | — | Indiana |
| 73 | John Ralph Leslie | 25 | Son | Drayman | Indiana |
| 74 | Alice M. Leslie | 19 | Daughter in law | Manager | Indiana |
| 75 | Lonnie M. Brown | 46 | Lodger | Bartender | Kentucky |
| 76 | Samuel R. Shreives | 72 | Head | Proprietor | Illinois |
| 77 | Eva J. Shreives | 71 | Wife | — | Ohio |
| 78 | Fredrick Rush | 7 | Lodger | — | Indiana |
| 79 | Albert B. Cummings | 57 | Head | Laborer | Indiana |
| 80 | Agnes Cummings | 60 | Sister | — | Indiana |
Pedigree Summary
Robert + 2 siblings
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)