OJ
Oscar Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Illinois
Our Model Tree links this Oscar Jones across the 1920, 1930 and 1940 US Censuses in Marion-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 9-person household.
Age 72
b. ~1868
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Illinois |
| Surname | Jones |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Salem |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Dentist |
| Industry | retired |
| Income (1939) | 4000 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Dentist |
| Township / Ward | Salem |
| Est. Birth Year | ~1868 |
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 Oscar | Age | Birth yr |
|---|---|---|---|---|
| Jo Erickson | Other | — | 25 | ~1915 |
| Joe Cain | Other | — | 22 | ~1918 |
| Charles Jones | Son | — | 39 | ~1901 |
| Paul Mckinzie | Other | — | 24 | ~1916 |
| Oscar Jones | Head | — | 72 | ~1868 |
| Abi Jones | Spouse | — | 66 | ~1874 |
| John Erickson | Other | — | 30 | ~1910 |
| Shirley Cain | Other | — | 22 | ~1918 |
| Harry Jones | Son | — | 40 | ~1900 |
Census Appearances
1920
Marion, Illinois
Head, age 52
Marion, Illinois · implied b. ~1868 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Dentist |
| Industry | Own Shop |
| 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
Marion, Illinois
Head, age 62
Marion, Illinois · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 30 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Dentist |
| Industry | General Practice |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Marion-County, Illinois
Head, age 72
Marion-County, Illinois · implied b. ~1868 — 9 household members
| Surname | Jones |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Salem |
| 1935 Residence (County) | Marion |
| Occupation | Dentist |
| Industry | retired |
| Income (1939) | 4000 |
| Highest Grade | C 1 |
| 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 Oscar Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Oscar Jones
Head · 1940 · age 72 · b. ~1868 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Marion-County, Illinois
Open full size
1940 US Federal Census — Marion-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00853-00262)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John F Harp | 66 | Head | Salesman | Missouri |
| 42 | Rose L Harp | 62 | Wife | Rent | Missouri |
| 43 | Rodell Bolling | 51 | Lodger | — | — |
| 44 | Don Archer | 27 | Lodger | Rig | Colorado |
| 45 | Pauline Archer | 26 | Lodger | — | Illinois |
| 46 | Jack Muse | 25 | Lodger | Driller | Oklahoma |
| 47 | Deline Muse | 20 | Lodger | — | Kansas |
| 48 | B. B. Holman | 66 | Head | Retired | Illinois |
| 49 | Amanda Holman | 64 | Wife | Rent | Illinois |
| 50 | Sallie Ann Brown | 85 | Guest | — | Indiana |
| 51 | Robert Benefield | 27 | Lodger | Pumper | Texas |
| 52 | Lucille Benefield | 27 | Lodger | — | Texas |
| 53 | Earnest Heaver | 45 | Lodger | Driller | Illinois |
| 54 | Lottie Lala | 25 | Lodger | Cook | Kentucky |
| 55 | Farrell Jenkins | 26 | Head | Minister | Oklahoma |
| 56 | Bonita Jenkins | 33 | Wife | — | Texas |
| 57 | Donnell Jenkins | 5 | Son | — | Lebanon |
| 58 | Gary Dean Jenkins | 4 | Son | — | Lebanon |
| 59 | Mary Helen Dalton | 23 | Lodger | Stenographer | Kansas |
| 60 | E. Lola Bible | 25 | Lodger | Cashier | — |
| 61 | Ethyle Currie | 51 | Head | — | Illinois |
| 62 | Robert Currie | 31 | Son | Pumper | Indiana |
| 63 | Kathryn Lienis | 26 | Head | — | Switzerland |
| 64 | Ethan Eagle | 25 | Head | Pipe Line Dept | Arkansas |
| 65 | Eleanor Eagle | 22 | Wife | — | Louisiana |
| 66 | Thomas Gordon Eagle | 0 | Son | — | Missouri |
| 67 | Hoy Wells | 34 | Head | Sales Manager | Oklahoma |
| 68 | Mary Wells | 31 | Wife | — | Kentucky |
| 69 | Sarah Wells | 6 | Dtr | — | Oklahoma |
| 70 | Oscar Jones THIS PERSON | 72 | Head | Dentist | Illinois |
| 71 | Abi Jones | 66 | Wife | — | Kansas |
| 72 | Harry Jones | 40 | Son | — | Salem |
| 73 | Charles J. Jones | 39 | Son | — | Salem |
| 74 | Joe Cain | 22 | Lodger | Driller | West Virginia |
| 75 | Shirley Cain | 22 | Lodger | — | Kansas |
| 76 | John Erickson | 30 | Lodger | Pumper | Kansas |
| 77 | Jo Erickson | 25 | Lodger | Guard | Kansas |
| 78 | Dilachman | 25 | Lodger | Loading | Kansas |
| 79 | Paul Mckinzie | 24 | Lodger | Loading | Oklahoma |
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)