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John Mathis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Alexander-County, Illinois
Our Model Tree links this John Mathis across the 1930 and 1940 US Censuses in Alexander-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1903), then head of a 8-person household.
Age 37
b. ~1903
Male
Head
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alexander-County, Illinois |
| Surname | Mathis |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Unity |
| 1935 Residence (County) | Alexander |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 450 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Farmer |
| Township / Ward | Unity |
| Est. Birth Year | ~1903 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Geneva Mathis | Daughter | — | 7 | ~1933 |
| John Mathis | Head | — | 37 | ~1903 |
| Eugene Mathis | Son | — | 8 | ~1932 |
| John Mathis | Son | — | 5 | ~1935 |
| Johnnie Mathis | Daughter | — | 13 | ~1927 |
| Irene Mathis | Spouse | — | 34 | ~1906 |
| Leon Mathis | Son | — | 15 | ~1925 |
| Edward Mathis | Son | — | 2 | ~1938 |
Census Appearances
1930
Alexander, Illinois
Head, age 27
Alexander, Illinois · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mathis |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 21 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Farm laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5 |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Alexander-County, Illinois
Head, age 37
Alexander-County, Illinois · implied b. ~1903 — 8 household members
| Surname | Mathis |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Unity |
| 1935 Residence (County) | Alexander |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 450 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Mathis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mathis
Head · 1940 · age 37 · b. ~1903 · 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 — Alexander-County, Illinois
Open full size
1940 US Federal Census — Alexander-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00758-00715)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Wilford | 32 | Wife | — | Arkansas |
| 42 | Beatrice Wilford | 14 | Daughter | — | Illinois |
| 43 | Theodore Wilford | 10 | Son | — | Illinois |
| 44 | Nathaniel Wilford | 6 | Son | — | Illinois |
| 45 | Sterling Wilford | 4 | Son | — | Illinois |
| 46 | Percy Wilford | 2 | Son | — | Illinois |
| 47 | Margaret Wilford | 1 | Daughter | — | Illinois |
| 48 | Mary Wilford | 33 | Head | Farmer | Mississippi |
| 49 | Mary Wilford | 34 | Wife | — | Mississippi |
| 50 | Verna Wilford | 15 | Daughter | — | Mississippi |
| 51 | Cora Wilford | 14 | Daughter | — | Mississippi |
| 52 | Robert Wilford | 10 | Son | — | Mississippi |
| 53 | John Mathis THIS PERSON | 37 | Head | Farmer | Mississippi |
| 54 | Irene Mathis | 34 | Wife | — | Arkansas |
| 55 | Leon Mathis | 15 | Son | — | Illinois |
| 56 | Johnnie Mathis | 13 | Daughter | — | Illinois |
| 57 | Eugene Mathis | 8 | Son | — | Illinois |
| 58 | Geneva Mathis | 7 | Daughter | — | Illinois |
| 59 | John L Mathis | 5 | Son | — | Illinois |
| 60 | Edward Mathis | 2 | Son | — | Illinois |
| 61 | Otto B Haney | 50 | Head | Farmer | Illinois |
| 62 | Mettie Haney | 54 | Wife | — | Illinois |
| 63 | Levi G Garrett | 30 | Head | Laborer | Missouri |
| 64 | Mary Garrett | 17 | Wife | — | Arkansas |
| 65 | Arnetta Garrett | 1 | Daughter | — | Illinois |
| 66 | John A Allen | 47 | Head | Laborer | Arkansas |
| 67 | Anna Allen | 38 | Wife | — | Missouri |
| 68 | Sarah Allen | 14 | Daughter | — | Missouri |
| 69 | Henrietta Allen | 13 | Daughter | — | Missouri |
| 70 | Mary Allen | 13 | Daughter | — | Missouri |
| 71 | Rose Allen | 12 | Daughter | — | Missouri |
| 72 | John Allen | 11 | Son | — | Missouri |
| 73 | James Allen | 8 | Son | — | Illinois |
| 74 | Ray Allen | 5 | Son | — | Illinois |
| 75 | Wallace Allen | 2 | Son | — | Illinois |
| 76 | J. B. Allen | 13 | Son | — | Missouri |
| 77 | Joe Allen | 29 | Son | — | Tennessee |
| 78 | Hy Kay Katayama | 53 | Head | Farmer | Japan |
| 79 | Aino Katayama | 44 | Wife | — | Japan |
| 80 | Michiko Katayama | 19 | Daughter | — | California |
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)