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Robert Graham — 1940 US Census Record
Model Tree available1940 United States Federal Census · Tippecanoe-County, Indiana
Our Model Tree links this Robert Graham across the 1920, 1930 and 1940 US Censuses in Tippecanoe-County, Indiana (XGBoost, ~Confirmed), with identified parents Anna & Marie — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Tippecanoe-County, Indiana |
| Surname | Graham |
| Given Name | Robert V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Lafayette City |
| 1935 Residence (County) | Tippecanoe |
| Additional Details | |
| Occupation | Gas Station Attendant |
| Industry | Own Station |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Gas Station Attendant |
| Township / Ward | Lafayette City |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| William Graham | Head | — | 54 | ~1886 |
| Robert Graham | Other | — | 8 | ~1932 |
| Robert Graham | Son | — | 30 | ~1910 |
| Anna Graham | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Tippecanoe, Indiana
Son, age 10
Tippecanoe, Indiana · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Robert W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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
Tippecanoe, Indiana
Son, age 20
Tippecanoe, Indiana · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Machinist |
| Industry | Meter works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Tippecanoe-County, Indiana
Son, age 30
Tippecanoe-County, Indiana · implied b. ~1910 — 4 household members
| Surname | Graham |
| Given Name | Robert V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Lafayette City |
| 1935 Residence (County) | Tippecanoe |
| Occupation | Gas Station Attendant |
| Industry | Own Station |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 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 Graham across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Anna Graham (~0.92 confidence) and mother Marie Graham (~0.92 confidence) and father Will Graham (~0.92 confidence) and father William Graham (~0.92 confidence) and father William Graham (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anna Graham
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Marie Graham
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
Will Graham
b. ~1884
Source father
● Household
· direct · ~0.92
Father
William Graham
b. ~1885
Source father
● Household
· direct · ~0.92
Father
William Graham
b. ~1886
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Graham
Son · 1940 · age 30 · b. ~1910 · 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 — 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-t0627-01098-00493)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William F. Pollock | 2 | Son | — | Indiana |
| 2 | Richard Wompler | 50 | Head | Iron Construction | Indiana |
| 3 | Shirley L. Wompler | 12 | Daughter | — | Indiana |
| 4 | Wanda Wompler | 11 | Daughter | — | Indiana |
| 5 | Lois Hamilton | 19 | Daughter | — | Indiana |
| 6 | Faith M. Hamilton | 2 | Daughter | — | Indiana |
| 7 | L. Spencer | 0 | Son | — | Indiana |
| 8 | William J. Fleming | 31 | Head | Retail Clerk | Indiana |
| 9 | Pearl Fleming | 21 | Wife | — | Kentucky |
| 10 | Ina Lowe | 60 | Head | — | Indiana |
| 11 | Florence Lowe | 33 | Daughter | Clothing Folder | Indiana |
| 12 | Blanche Lowe | 26 | Daughter | Second Cook | Indiana |
| 13 | Raymond Lowe | 22 | Son | Hand Straightener | Indiana |
| 14 | Ruth Lowe | 19 | Daughter | Waitress Soda Fountain | Indiana |
| 15 | Joseph Bachman | 23 | Lodger | — | Indiana |
| 16 | William Mckeighen | 67 | Head | Auto Mechanic | Indiana |
| 17 | Margaret Mckeighen | 48 | Wife | — | Indiana |
| 18 | George Mckeighen | 25 | Son | 26 | Indiana |
| 19 | Paul W. Farrell | 35 | Head | Bread Baker | Indiana |
| 20 | Edith P. Farrell | 37 | Wife | — | Illinois |
| 21 | Paul W. Jr. Farrell | 14 | Son | — | Indiana |
| 22 | Martha J. Farrell | 13 | Daughter | — | Indiana |
| 23 | Marlene F. Farrell | 3 | Daughter | — | Indiana |
| 24 | Harry E. Shipley | 59 | Head | Restaurant Work | Indiana |
| 25 | Gertrude M. Shipley | 61 | Wife | — | Indiana |
| 26 | Raymond H. Strunk | 25 | Head | Stock Clerk | Indiana |
| 27 | Vera M. Strunk | 26 | Wife | — | Illinois |
| 28 | Walter R. Unger | 44 | Head | Pharmacist | Indiana |
| 29 | Gladys A. Unger | 40 | Wife | — | Indiana |
| 30 | J. Walter Unger | 15 | Son | — | Indiana |
| 31 | Robert M. Unger | 12 | Son | — | Indiana |
| 32 | Jacob H. Wiebers | 61 | Father-in-law | Night Engineer | Indiana |
| 33 | William Graham | 54 | Head | Labor Foreman | Indiana |
| 34 | Anna Graham | 60 | Wife | — | Indiana |
| 35 | Robert V. Graham THIS PERSON | 30 | Son | Gas Station Attendant | Indiana |
| 36 | Robert V. Jr. Graham | 8 | Grandson | — | Indiana |
| 37 | Agilvie Owen | 49 | Head | Switch Board Oper. | Indiana |
| 38 | Mary Ellen Owen | 38 | Wife | Retail Clerk | Indiana |
| 39 | Harriet E. Hofkins | 18 | Step-daughter | — | Indiana |
| 40 | Oliver F. Tyson | 58 | Head | Meat Cutter | Pennsylvania |
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)