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Robert Harper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Franklin-County, Illinois
Our Model Tree links this Robert Harper across the 1930 and 1940 US Censuses in Franklin-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Illinois |
| Surname | Harper |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Denning Township |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Denning Township |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Harper | Son | — | 11 | ~1929 |
| Harold Harper | Son | — | 7 | ~1933 |
| Maud Harper | Spouse | — | 39 | ~1901 |
| Linda Harper | Daughter | — | 2 | ~1938 |
| Luther Harper | Head | — | 45 | ~1895 |
| Ramona Harper | Daughter | — | 5 | ~1935 |
| Daina Harper | Daughter | — | 19 | ~1921 |
| Violet Harper | Daughter | — | 13 | ~1927 |
| Charles Harper | Son | — | 15 | ~1925 |
Census Appearances
1930
Franklin, Illinois
Son, age 1
Franklin, Illinois · implied b. ~1929 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | Robert D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Franklin-County, Illinois
Son, age 11
Franklin-County, Illinois · implied b. ~1929 — 9 household members
| Surname | Harper |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Denning Township |
| 1935 Residence (County) | Franklin |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Harper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Harper
Son · 1940 · age 11 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
Violet Harper
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Harper
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ramona Harper
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Harper
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Linda Harper
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daina Harper
Sibling · 1940 · age 19
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 — Franklin-County, Illinois
Open full size
1940 US Federal Census — Franklin-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00804-00065)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond Inglett | 57 | Head | Miner | Illinois |
| 2 | Lake Rohl | 47 | Head | Miner | Mississippi |
| 3 | Carrie Rohl | 43 | Wife | — | Alabama |
| 4 | Margaret Rohl | 16 | Daughter | — | Illinois |
| 5 | William Rohl | 23 | Son | Watchman | Alabama |
| 6 | Vila Jo Rohl | 1 | Daughter | — | Illinois |
| 7 | Elijah Gifford | 49 | Head | Miner | Illinois |
| 8 | Eva Gifford | 52 | Wife | — | Illinois |
| 9 | Marie Gifford | 14 | Daughter | — | Illinois |
| 10 | Muriel Gifford | 11 | Daughter | — | Illinois |
| 11 | Gladys Gifford | 9 | Daughter | — | Illinois |
| 12 | Dorris Gifford | 8 | Daughter | — | Illinois |
| 13 | Delores Gifford | 8 | Daughter | — | Illinois |
| 14 | Bell Butler | 66 | Head | — | Kentucky |
| 15 | Irvin Butler | 26 | Son | Miner | Illinois |
| 16 | Carl Eubanks | 35 | Head | Time Keeper | Illinois |
| 17 | Edith Eubanks | 34 | Wife | — | Illinois |
| 18 | Richard Eubanks | 11 | Son | — | Illinois |
| 19 | William Eubanks | 6 | Son | — | Illinois |
| 20 | Carl Wayne Eubanks | 3 | Son | — | Illinois |
| 21 | Luther Harper | 45 | Head | Miner | Kentucky |
| 22 | Maud Harper | 39 | Wife | — | Illinois |
| 23 | Daina Harper | 19 | Daughter | New Worker | Illinois |
| 24 | Charles Harper | 15 | Son | — | Illinois |
| 25 | Violet Harper | 13 | Daughter | — | Illinois |
| 26 | Robert Harper THIS PERSON | 11 | Son | — | Illinois |
| 27 | Harold Harper | 7 | Son | — | Illinois |
| 28 | Ramona Harper | 5 | Daughter | — | Illinois |
| 29 | Linda Sue Harper | 2 | Daughter | — | Illinois |
| 30 | Irvin Sima | 41 | Head | Miner | Alabama |
| 31 | Rollie Sima | 16 | Son | — | Illinois |
| 32 | Kenneth Sima | 9 | Son | — | Illinois |
| 33 | George Schumm | 43 | Head | Hoisting Engineer | Illinois |
| 34 | Sophia Schumm | 39 | Wife | — | Lithuania |
| 35 | Wilford Schumm | 19 | Son | — | Illinois |
| 36 | Cavern Schumm | 16 | Daughter | — | Illinois |
| 37 | Floyd Schumm | 10 | Son | — | Illinois |
| 38 | Harry L. Cooper | 26 | Head | Chauffeur | Illinois |
| 39 | Lenora Cooper | 24 | Wife | — | Missouri |
| 40 | Jackquellyn Cooper | 1 | Daughter | — | Illinois |
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)