MJ
Mary Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Johnson-County, Illinois
Our Model Tree links this Mary Jackson across the 1920, 1930 and 1940 US Censuses in Johnson-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1873), then head of a 3-person household.
Age 67
b. ~1873
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Johnson-County, Illinois |
| Surname | Jackson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Burnside Twp |
| 1935 Residence (County) | Johnson |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Burnside Twp |
| Est. Birth Year | ~1873 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| George Jackson | Head | — | 72 | ~1868 |
| Marshall Jackson | Son | — | 40 | ~1900 |
| Mary Jackson | Spouse | — | 67 | ~1873 |
Census Appearances
1920
Johnson, Illinois
Spouse, age 47
Johnson, Illinois · implied b. ~1873 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Mary S. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Johnson, Illinois
Spouse, age 57
Johnson, Illinois · implied b. ~1873 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Johnson-County, Illinois
Spouse, age 67
Johnson-County, Illinois · implied b. ~1873 — 3 household members
| Surname | Jackson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Burnside Twp |
| 1935 Residence (County) | Johnson |
| Highest Grade | 8 |
| 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 Mary Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Jackson
Spouse · 1940 · age 67 · b. ~1873 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Johnson-County, Illinois
Open full size
1940 US Federal Census — Johnson-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00818-00038)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Betty Campbell | 6 | Daughter | — | Illinois |
| 2 | Bonnie Campbell | 4 | Daughter | — | Illinois |
| 3 | Glen Campbell | 1 | Daughter | — | Illinois |
| 4 | Thomas Campbell | 12 | Son | — | Illinois |
| 5 | William Elliot | 47 | Head | Laborer | Illinois |
| 6 | Lilly Q. Elliot | 37 | Wife | — | Illinois |
| 7 | Maxine Elliot | 22 | Daughter | — | Illinois |
| 8 | Corinae Elliot | 4 | Daughter | — | Illinois |
| 9 | Cora Schier | 64 | Mother | — | Illinois |
| 10 | Manzy Deaton | 50 | Head | Laborer | Illinois |
| 11 | Martha Deaton | 46 | Wife | — | Illinois |
| 12 | Dimple Deaton | 26 | Daughter | — | Illinois |
| 13 | Dennis Deaton | 24 | Son | Laborer | Illinois |
| 14 | Vernal Deaton | 18 | Son | Laborer | Illinois |
| 15 | Oscar Mitchell | 45 | Head | Laborer | Illinois |
| 16 | Elsie Mitchell | 38 | Wife | — | Illinois |
| 17 | Evelyn Mitchell | 13 | Daughter | — | Missouri |
| 18 | Lloyd Mitchell | 6 | Son | — | Missouri |
| 19 | Nadine Mitchell | 3 | Daughter | — | Illinois |
| 20 | Sanford Mitchell | 0 | Son | — | Illinois |
| 21 | Gene Jackson | 35 | Head | Farmer | Illinois |
| 22 | Ruth Jackson | 26 | Wife | — | Illinois |
| 23 | Edward Jackson | 9 | Son | — | Illinois |
| 24 | Gary Jackson | 7 | Son | — | Illinois |
| 25 | James Jackson | 4 | Son | — | Illinois |
| 26 | Geo. Allen Jackson | 1 | Son | — | Illinois |
| 27 | George Jackson | 72 | Head | Farmer | Illinois |
| 28 | Mary Jackson THIS PERSON | 67 | Wife | — | Illinois |
| 29 | Marshall Jackson | 40 | Son | Farmer | Illinois |
| 30 | Milton J. Hill | 67 | Head | Farmer | Illinois |
| 31 | Sarah Hill | 66 | Wife | — | Illinois |
| 32 | Charles Owens | 48 | Head | Operator | Illinois |
| 33 | Rosa Owens | 45 | Wife | — | Illinois |
| 34 | Merle Owens | 22 | Daughter | — | Illinois |
| 35 | Herman Owens | 16 | Son | — | Illinois |
| 36 | Charles Rushing | 44 | Head | Farmer | Illinois |
| 37 | Victoria Rushing | 39 | Wife | — | Arkansas |
| 38 | Julia Rushing | 18 | Daughter | — | Arkansas |
| 39 | Norma Rushing | 14 | Daughter | — | Arkansas |
| 40 | Linda Rushing | 12 | Daughter | — | Arkansas |
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)