JF
John Ferguson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this John Ferguson across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 3-person household.
Age 46
b. ~1894
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Ferguson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Woodside Township |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farmer |
| Township / Ward | Woodside Township |
| Est. Birth Year | ~1894 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Helen Ferguson | Daughter | — | 22 | ~1918 |
| John Ferguson | Head | — | 46 | ~1894 |
| Rosa Ferguson | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Sangamon, Illinois
Head, age 26
Sangamon, Illinois · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ferguson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Kansas |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farm hand |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Sangamon, Illinois
Head, age 37
Sangamon, Illinois · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ferguson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 21 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Sangamon-County, Illinois
Head, age 46
Sangamon-County, Illinois · implied b. ~1894 — 3 household members
| Surname | Ferguson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Woodside Township |
| 1935 Residence (County) | Sangamon |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Ferguson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Ferguson
Head · 1940 · age 46 · b. ~1894 · 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 — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00887-00965)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles H. Morrison | 48 | Head | Butcher | Illinois |
| 2 | Irene D. Morrison | 43 | Wife | — | Illinois |
| 3 | Glenn Baker | 33 | Head | Carpenter | Illinois |
| 4 | Oma R. Baker | 32 | Wife | — | Illinois |
| 5 | Billie Baker | 10 | Son | — | Illinois |
| 6 | Aleta Dugan | 35 | Sister-in-law | Housekeeper | Illinois |
| 7 | Andrew Ostermeier | 43 | Head | Chief Clerk | Illinois |
| 8 | Virginia D. Ostermeier | 32 | Wife | — | Missouri |
| 9 | Virginia Lou Ostermeier | 7 | Daughter | — | Illinois |
| 10 | Frank Halford | 38 | Head | Farmer | England |
| 11 | Margaret Halford | 30 | Wife | — | Illinois |
| 12 | Beatrice Halford | 9 | Daughter | — | Illinois |
| 13 | Tommy Halford | 7 | Son | — | Illinois |
| 14 | Franklin Halford | 3 | Son | — | Illinois |
| 15 | Mary Halford | 2 | Daughter | — | Illinois |
| 16 | Robert Ostermeier | 35 | Head | Farmer | Illinois |
| 17 | Martha E. Ostermeier | 35 | Wife | — | Illinois |
| 18 | Robert Jr. Ostermeier | 1 | Son | — | Illinois |
| 19 | John Ferguson THIS PERSON | 46 | Head | Farmer | Kansas |
| 20 | Rosa Ferguson | 46 | Wife | — | Illinois |
| 21 | Helen Ferguson | 22 | Daughter | Cashier | Illinois |
| 22 | Leslie Smith | 30 | Head | Farm Hand | Kentucky |
| 23 | Gerlande Smith | 26 | Wife | — | Kentucky |
| 24 | Ray Smith | 6 | Son | — | Illinois |
| 25 | Charles Smith | 4 | Son | — | Illinois |
| 26 | Helen Smith | 3 | Daughter | — | Illinois |
| 27 | Jackie Smith | 2 | Son | — | Illinois |
| 28 | Jean S. Smith | 1 | Daughter | — | Illinois |
| 29 | John Wheeler | 19 | Brother-in-law | Farm Hand | Kentucky |
| 30 | Frank Lorascher | 17 | Head | Proprietor | Illinois |
| 31 | Ray Lorascher | 17 | Brother | Farm Hand | Illinois |
| 32 | Wesley Chandler | 24 | Head | Mechanic | Minnesota |
| 33 | Thelma Chandler | 24 | Wife | — | Illinois |
| 34 | Ferrill Chandler | 2 | Son | — | N. Dakota |
| 35 | Jerold Blakley | 33 | Head | Proprietor | Illinois |
| 36 | Mary Blakley | 35 | Wife | — | Illinois |
| 37 | Phyllis Blakley | 5 | Daughter | — | Illinois |
| 38 | James Blakley | 2 | Son | — | Illinois |
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)