JD
John Dunlap — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Crawford, Illinois
Our Model Tree links this John Dunlap across the 1920 and 1930 US Censuses in Crawford, Illinois (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 10-person household.
Age 47
b. ~1883
Male
Head
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Crawford, Illinois |
| Surname | Dunlap |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Farmer |
| Industry | Gen farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Martin Township |
| Est. Birth Year | ~1883 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ray Dunlap | Son | — | 10 | ~1920 |
| Thelba Dunlap | Daughter | — | 7 | ~1923 |
| Leslie Dunlap | Son | — | 13 | ~1917 |
| Virgil Dunlap | Son | — | 17 | ~1913 |
| Normalee Dunlap | Daughter | — | 1 | ~1929 |
| John Dunlap | Son | — | 5 | ~1925 |
| John Dunlap | Head | — | 47 | ~1883 |
| Lewis Dunlap | Son | — | 15 | ~1915 |
| Eunice Dunlap | Spouse | — | 42 | ~1888 |
| Clement Dunlap | Son | — | 11 | ~1919 |
Census Appearances
1920
Crawford, Illinois
Head, age 37
Crawford, Illinois · implied b. ~1883
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Dunlap |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Crawford, Illinois
Head, age 47
Crawford, Illinois · implied b. ~1883 — 10 household members
| Surname | Dunlap |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | Gen farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| 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 Dunlap across 2 US Census years (1920 and 1930) in Crawford, Illinois, using XGBoost record linkage.
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This person
Anchor record
John Dunlap
Head · 1930 · age 47 · b. ~1883 · 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 — Crawford, Illinois
Open full size
1930 US Federal Census — Crawford, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel509:0167)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Verla | 10 | daughter | None | Illinois |
| 2 | Ralph | 6 | son | None | Illinois |
| 3 | Allen | 4 | son | None | Illinois |
| 4 | Larras | 1 | son | None | Illinois |
| 5 | Calvin Shipman | 55 | head | Farmer | Illinois |
| 6 | Herbert Shipman | 21 | son | None | Illinois |
| 7 | Daniel Shipman | 19 | son | Laborer | Illinois |
| 8 | Henry Shipman | 17 | son | Laborer | Illinois |
| 9 | Alva Shipman | 14 | son | None | Illinois |
| 10 | William Shipman | 10 | son | None | Illinois |
| 11 | Charles York | 47 | head | Farmer | Illinois |
| 12 | Clara York | 43 | wife | None | Illinois |
| 13 | Agnes York | 11 | daughter | None | Illinois |
| 14 | Orval York | 8 | son | None | Illinois |
| 15 | James W. Jones | 69 | head | Farmer | Illinois |
| 16 | Alice L. Jones | 64 | wife | None | Illinois |
| 17 | Millard Jones | 35 | head | Roustabout | Illinois |
| 18 | Iona Jones | 24 | wife | None | Oklahoma |
| 19 | Letha Jones | 2 | daughter | None | Illinois |
| 20 | Lee Simones | 67 | head | Farmer | Illinois |
| 21 | Belle Simones | 63 | wife | None | Illinois |
| 22 | Agnes Simones | 27 | daughter | None | Illinois |
| 23 | Dale Simones | 24 | daughter | None | Illinois |
| 24 | Opal Simones | 21 | daughter | None | Illinois |
| 25 | John Dunlap THIS PERSON | 47 | head | Farmer | Illinois |
| 26 | Eunice Dunlap | 42 | wife | None | Illinois |
| 27 | Virgil Dunlap | 17 | son | Laborer | Illinois |
| 28 | Lewis Dunlap | 15 | son | Laborer | Illinois |
| 29 | Leslie Dunlap | 13 | son | None | Illinois |
| 30 | Clement Dunlap | 11 | son | None | Illinois |
| 31 | Ray Dunlap | 10 | son | None | Illinois |
| 32 | Thelba Dunlap | 7 | daughter | None | Illinois |
| 33 | John Jr. Dunlap | 5 | son | None | Illinois |
| 34 | Normalee Dunlap | 1 | daughter | None | Illinois |
| 35 | Guy Waggoner | 20 | head | Pumper | Illinois |
| 36 | Ida M. Waggoner | 20 | wife | None | Illinois |
| 37 | June Ellen Waggoner | 0 | daughter | None | Illinois |
| 38 | Guy Jr. Waggoner | 0 | son | None | Illinois |
| 39 | Charles Baker | 56 | head | Farmer | Illinois |
| 40 | Thomas Dunlap | 55 | head | Farmer | Illinois |
| 41 | Alma Dunlap | 52 | wife | None | Illinois |
| 42 | Aguda Dunlap | 16 | daughter | None | Illinois |
| 43 | Thomas Dunlap | 14 | son | None | Illinois |
| 44 | Clarence Dunlap | 7 | son | None | Illinois |
| 45 | Geraldine Dunlap | 4 | son | None | Illinois |
| 46 | Henry Dunlap | 44 | head | Farmer | Illinois |
| 47 | Polly Dunlap | 39 | wife | None | Illinois |
| 48 | William Dunlap | 16 | son | None | Illinois |
| 49 | George Dunlap | 14 | son | None | Illinois |
| 50 | Harley Dunlap | 11 | son | None | 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)