JD
John Duncan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Shelby, Illinois
Our Model Tree links this John Duncan across the 1910, 1920 and 1930 US Censuses in Shelby, Illinois (XGBoost, ~Confirmed) — first a head (b.~1860), then head of a 3-person household.
Age 70
b. ~1860
Male
Head
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Shelby, Illinois |
| Surname | Duncan |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Ash Grove Township |
| Est. Birth Year | ~1860 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Faye Duncan | Daughter | — | 36 | ~1894 |
| John Duncan | Head | — | 70 | ~1860 |
| Elizabeth Duncan | Spouse | — | 70 | ~1860 |
Census Appearances
1910
Shelby, Illinois
Head, age 50
Shelby, Illinois · implied b. ~1860 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Illinois |
| Years Married | 25 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Shelby, Illinois
Head, age 60
Shelby, Illinois · implied b. ~1860 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Birth State | Illinois |
| Birth Country | United States |
| Year of Naturalization | F |
| Birthplace (normalized) | illinois |
1930
Shelby, Illinois
Head, age 70
Shelby, Illinois · implied b. ~1860 — 3 household members
| Surname | Duncan |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| 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 John Duncan across 3 US Census years (1910, 1920 and 1930) in Shelby, Illinois, using XGBoost record linkage.
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This person
Anchor record
John Duncan
Head · 1930 · age 70 · b. ~1860 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Shelby, Illinois
Open full size
1930 US Federal Census — Shelby, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel561:0531)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Floyd P. Robinson | 38 | Head | Farmer | Illinois |
| 2 | Carrie H. Robinson | 40 | Wife | — | Illinois |
| 3 | Mabel Robinson | 17 | Daughter | Servant | Illinois |
| 4 | Eloise B. Robinson | 12 | Daughter | — | Illinois |
| 5 | William D. Robinson | 10 | Son | — | Illinois |
| 6 | Ellis D. Robinson | 8 | Son | — | Illinois |
| 7 | Donald Robinson | 4 | Son | — | Illinois |
| 8 | George W. Storm | 61 | Head | Farmer | Illinois |
| 9 | Carrie B. Storm | 64 | Wife | — | Illinois |
| 10 | Clarence Blackburn | 58 | Head | Farmer | Illinois |
| 11 | Josephine Blackburn | 56 | Wife | — | Illinois |
| 12 | Morris J. Neighbor | 59 | Head | Farmer | Illinois |
| 13 | Edith J. Neighbor | 51 | Wife | — | Illinois |
| 14 | Robert H. Neighbor | 25 | Son | Laboring | Illinois |
| 15 | Leonard B. Neighbor | 23 | Son | Laboring | Illinois |
| 16 | Bessie Neighbor | 20 | Daughter | Nursing | Illinois |
| 17 | William A. Bennett | 71 | Head | Farmer | Illinois |
| 18 | Alice M. Bennett | 68 | Wife | — | Illinois |
| 19 | Walter F. Storm | 51 | Head | Farmer | Illinois |
| 20 | Lula F. Storm | 45 | Wife | — | Illinois |
| 21 | Rita D. Storm | 17 | Daughter | — | Illinois |
| 22 | Artie M. Kite | 39 | Head | Farmer | Illinois |
| 23 | Ella M. Kite | 41 | Wife | — | Illinois |
| 24 | Thelma M. Kite | 17 | Daughter | — | Illinois |
| 25 | Chole F. Kite | 15 | Son | — | Illinois |
| 26 | Helen Kite | 13 | Daughter | — | Illinois |
| 27 | Ruby Kite | 12 | Daughter | — | Illinois |
| 28 | John J. Duncan THIS PERSON | 70 | Head | Farmer | Illinois |
| 29 | Elizabeth Duncan | 70 | Wife | — | Illinois |
| 30 | Faye Duncan | 36 | Daughter | — | Illinois |
| 31 | James W. Daily | 34 | Head | Farmer | Illinois |
| 32 | Ora Daily | 34 | Wife | — | Illinois |
| 33 | Geraldine Daily | 8 | Daughter | — | Illinois |
| 34 | James Daily | 4 | Son | — | Illinois |
| 35 | Olive B. Phain | 29 | Boarder | Farmhand | Oklahoma |
| 36 | Ross Morrison | 40 | Head | Farmer | Indiana |
| 37 | Alice Morrison | 38 | Wife | — | Indiana |
| 38 | Price Morrison | 17 | Son | — | Indiana |
| 39 | Lucille Morrison | 16 | Daughter | — | Indiana |
| 40 | Grace Morrison | 14 | Daughter | — | Illinois |
| 41 | Lawrence Morrison | 12 | Son | — | Illinois |
| 42 | Oliver Morrison | 10 | Son | — | Illinois |
| 43 | Virginia Morrison | 8 | Daughter | — | Illinois |
| 44 | Betty Morrison | 3 | Daughter | — | Illinois |
| 45 | Artie H. Rankin | 49 | Head | Farmer | Illinois |
| 46 | Cora E. Rankin | 46 | Wife | — | Illinois |
| 47 | Edith Rankin | 19 | Daughter | — | Illinois |
| 48 | Alice Krummel | 46 | Head | Farm Manager | Illinois |
| 49 | Leo Krummel | 22 | Son | Farm Labor | Illinois |
| 50 | Eleanor Krummel | 17 | Daughter | — | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)