OJ
Oliver Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kendall-County, Illinois
Our Model Tree links this Oliver Johnson across the 1920, 1930 and 1940 US Censuses in Kendall-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 3-person household.
Age 65
b. ~1875
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kendall-County, Illinois |
| Surname | Johnson |
| Given Name | Oliver |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Millington village |
| 1935 Residence (County) | Kendall |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Millington Village |
| Est. Birth Year | ~1875 |
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 1940 census.
| Name | Relation to head | Relative to Oliver | Age | Birth yr |
|---|---|---|---|---|
| Emma Johnson | Spouse | — | 51 | ~1889 |
| Oliver Johnson | Head | — | 65 | ~1875 |
| Stanley Johnson | Son | — | 20 | ~1920 |
Census Appearances
1920
Kendall, Illinois
Head, age 44
Kendall, Illinois · implied b. ~1876 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oliver |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Kendall, Illinois
Head, age 54
Kendall, Illinois · implied b. ~1876 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oliver |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 33 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Odd Jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 350 |
| Home Value / Rent | R |
| Veteran | O |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Kendall-County, Illinois
Head, age 65
Kendall-County, Illinois · implied b. ~1875 — 3 household members
| Surname | Johnson |
| Given Name | Oliver |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Millington village |
| 1935 Residence (County) | Kendall |
| Highest Grade | Hs 4 |
| 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 Oliver Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Oliver Johnson
Head · 1940 · age 65 · b. ~1875 · 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 — Kendall-County, Illinois
Open full size
1940 US Federal Census — Kendall-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00825-00078)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert E Hartman | 52 | Head | Proprietor | Illinois |
| 2 | Florence Hartman | 52 | Wife | Saleswoman | Illinois |
| 3 | Henrietta Boyne | 65 | Aunt | — | Illinois |
| 4 | Willis Clythe | 27 | Head | Farm Hand | Illinois |
| 5 | Ruth Clythe | 20 | Wife | — | Illinois |
| 6 | Son Clythe | 5 | Son | — | Illinois |
| 7 | Lloyd Hilliard | 32 | Head | Deliveryman | Illinois |
| 8 | Hazel Hilliard | 32 | Wife | — | Illinois |
| 9 | Marie Hilliard | 9 | Daughter | — | Illinois |
| 10 | Charles Hilliard | 8 | Son | — | Illinois |
| 11 | Fred Cummings | 43 | Head | Mechanic | Nebraska |
| 12 | Florence Cummings | 36 | Wife | — | Illinois |
| 13 | Ronald Cummings | 16 | Son | — | Illinois |
| 14 | Albert Cummings | 13 | Son | — | Illinois |
| 15 | Albert Johnson | 43 | Head | Machinist | Illinois |
| 16 | Fay Johnson | 39 | Wife | — | Illinois |
| 17 | Lucille Johnson | 20 | Daughter | — | Illinois |
| 18 | Dean Johnson | 15 | Son | — | Illinois |
| 19 | Mattie Redfield | 74 | Head | — | Illinois |
| 20 | Scott Cohn | 42 | Head | Mechanic | Kentucky |
| 21 | Helen Cohn | 35 | Wife | — | Iowa |
| 22 | Korella Cohn | 16 | Daughter | — | Iowa |
| 23 | Charles Cohn | 14 | Son | — | Illinois |
| 24 | Stanley Cohn | 12 | Son | — | Illinois |
| 25 | Velma Cohn | 9 | Daughter | — | Illinois |
| 26 | Robert Cohn | 7 | Son | — | Illinois |
| 27 | Iray Cohn | 4 | Son | — | Illinois |
| 28 | George Hartman | 59 | Head | Proprietor | Illinois |
| 29 | Elsie Hartman | 51 | Wife | — | Illinois |
| 30 | Virginia Hartman | 21 | Daughter | Saleswoman | Illinois |
| 31 | James Tholley | 28 | Head | Section Hand | Illinois |
| 32 | Bertha Tholley | 30 | Wife | — | Illinois |
| 33 | Marlene Tholley | 5 | Daughter | — | Illinois |
| 34 | Tyra Tholley | 0 | Daughter | — | Illinois |
| 35 | Eli Ammons | 49 | Head | Proprietor | Illinois |
| 36 | Clare Ammons | 43 | Wife | — | Illinois |
| 37 | Maxine Ammons | 14 | Daughter | — | Illinois |
| 38 | Oliver Johnson THIS PERSON | 65 | Head | — | Illinois |
| 39 | Emma Johnson | 51 | Wife | — | Minnesota |
| 40 | Stanley Johnson | 20 | Son | Shop Foreman | Illinois |
Related Census Records
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)