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Robert Gordon — 1940 US Census Record
Model Tree available1940 United States Federal Census · Knox-County, Illinois
Our Model Tree links this Robert Gordon across the 1920, 1930 and 1940 US Censuses in Knox-County, Illinois (XGBoost, ~Confirmed), with identified parents Dulan & Ivan — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Illinois |
| Surname | Gordon |
| Given Name | Robert B |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Copley Township |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farming |
| Township / Ward | Copley Township |
| 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 |
|---|---|---|---|---|
| Pauline Gordon | Daughter | — | 25 | ~1915 |
| Jean Gordon | Daughter | — | 18 | ~1922 |
| Ivan Gordon | Head | — | 47 | ~1893 |
| Robert Gordon | Son | — | 23 | ~1917 |
| Marie Gordon | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Knox, Illinois
Son, age 3
Knox, Illinois · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gordon |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Knox, Illinois
Son, age 13
Knox, Illinois · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gordon |
| Given Name | Robert V |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Knox-County, Illinois
Son, age 23
Knox-County, Illinois · implied b. ~1917 — 5 household members
| Surname | Gordon |
| Given Name | Robert B |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Copley Township |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 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 Gordon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Dulan Gordon (~0.92 confidence) and father Ivan Gordon (~0.92 confidence) and mother Marie Gordon (~0.92 confidence) and mother Marie Gordon (~0.92 confidence) and mother Florence Wagner (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Dulan Gordon
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Ivan Gordon
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Marie Gordon
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Marie Gordon
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Florence Wagner
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Gordon
Son · 1940 · age 23 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Pauline Gordon
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Gordon
Sibling · 1940 · age 18
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 — Knox-County, Illinois
Open full size
1940 US Federal Census — Knox-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00826-00163)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marion Goff | 6 | daughter | — | Illinois |
| 42 | Leslie Goff | 5 | son | — | Illinois |
| 43 | Virginia Goff | 3 | daughter | — | Illinois |
| 44 | Freddie Goff | 1 | son | — | Illinois |
| 45 | Wessia Gibbs | 52 | hired hand | Farming | Illinois |
| 46 | Charles Stephen | 53 | head | Section Hand | Nebraska |
| 47 | Fern (X) Stephen | 51 | wife | — | Nebraska |
| 48 | Martha Stephen | 17 | daughter | — | Illinois |
| 49 | Ivan (X) Gordon | 47 | head | Farming | Illinois |
| 50 | Marie Gordon | 45 | wife | — | Illinois |
| 51 | Jean Gordon | 18 | daughter | — | Illinois |
| 52 | Robert B Gordon THIS PERSON | 23 | son | Farming | Illinois |
| 53 | Pauline Gordon | 25 | daughter | — | Illinois |
| 54 | Robert Gibbs | 65 | head | Farming | Illinois |
| 55 | Abbie (X) Gibbs | 44 | wife | — | Illinois |
| 56 | Harold Bringuel | 26 | hired hand | Farming | Missouri |
| 57 | Leroy Kelley | 24 | head | Laborer | Nebraska |
| 58 | Maxine (X) Kelley | 19 | wife | — | Missouri |
| 59 | Reed Gibbs | 39 | head | Farming | Illinois |
| 60 | Hazel (X) Gibbs | 39 | wife | — | Illinois |
| 61 | Beverly Ann Gibbs | 12 | daughter | — | Illinois |
| 62 | Albert (X) Seiboldt | 58 | head | Farming | Illinois |
| 63 | Grace Seiboldt | 54 | wife | — | Illinois |
| 64 | Alice Seiboldt | 26 | daughter | — | Illinois |
| 65 | Howard Seiboldt | 23 | son | — | Illinois |
| 66 | Samuel (X) Westfall | 34 | head | Mining | Illinois |
| 67 | Marguerite Westfall | 32 | wife | — | Illinois |
| 68 | Betty Westfall | 11 | daughter | — | Illinois |
| 69 | Albert Westfall | 10 | son | — | Illinois |
| 70 | Beverly Westfall | 8 | daughter | — | Illinois |
| 71 | James Westfall | 6 | son | — | Illinois |
| 72 | Wilber Westfall | 4 | son | — | Illinois |
| 73 | Alma Westfall | 1 | daughter | — | Illinois |
| 74 | Earl A. Neff | 35 | head | Miner | Illinois |
| 75 | Jennie Neff | 38 | wife | — | Illinois |
| 76 | Rose Neff | 8 | daughter | — | Illinois |
| 77 | Ashton Neff | 7 | son | — | Illinois |
| 78 | Dale Neff | 6 | son | — | Illinois |
| 79 | Nancy Neff | 4 | daughter | — | Illinois |
| 80 | Linley Westfall | 43 | head | Miner | Illinois |
Pedigree Summary
Robert + 2 siblings
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)