GJ
Grace Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Greene-County, Illinois
Our Model Tree links this Grace Jackson across the 1930 and 1940 US Censuses in Greene-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1910), then head of a 8-person household.
Age 30
b. ~1910
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Greene-County, Illinois |
| Surname | Jackson |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Roodhouse Township |
| 1935 Residence (County) | Greene |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Roodhouse Township |
| Est. Birth Year | ~1910 |
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 Grace | Age | Birth yr |
|---|---|---|---|---|
| Betty Jackson | Daughter | — | ~1940 | |
| Grace Jackson | Spouse | — | 30 | ~1910 |
| Dede Jackson | Son | — | 9 | ~1931 |
| Keith Jackson | Head | — | 32 | ~1908 |
| June Jackson | Daughter | — | 4 | ~1936 |
| Russell Jackson | Son | — | 2 | ~1938 |
| Vivian Jackson | Daughter | — | 7 | ~1933 |
| Leroy Jackson | Son | — | 11 | ~1929 |
Census Appearances
1930
Greene, Illinois
Other, age 20
Greene, Illinois · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Grace |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 18 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Greene-County, Illinois
Spouse, age 30
Greene-County, Illinois · implied b. ~1910 — 8 household members
| Surname | Jackson |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Roodhouse Township |
| 1935 Residence (County) | Greene |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Grace Jackson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Jackson
Spouse · 1940 · age 30 · b. ~1910 · 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 — Greene-County, Illinois
Open full size
1940 US Federal Census — Greene-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00808-00382)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Theodore Hopper | 27 | Head | Coal Miner | Illinois |
| 42 | Helen Hopper | 22 | Wife | — | Illinois |
| 43 | Carroll Hopper | 0 | Son | — | Illinois |
| 44 | John Whitaker | 29 | Head | Laborer | Illinois |
| 45 | Laura Whitaker | 30 | Wife | — | Illinois |
| 46 | Keith Jackson | 32 | Head | Farmer | Illinois |
| 47 | Grace Jackson THIS PERSON | 30 | Wife | — | Illinois |
| 48 | Leroy Jackson | 11 | Son | — | Illinois |
| 49 | Dede Jackson | 9 | Son | — | Illinois |
| 50 | Vivian Jackson | 7 | Daughter | — | Illinois |
| 51 | June Jackson | 4 | Daughter | — | Illinois |
| 52 | Russell Jackson | 2 | Son | — | Illinois |
| 53 | Betty Lou Jackson | 0 | Daughter | — | Illinois |
| 54 | Howard Allen | 56 | Head | Musician | Illinois |
| 55 | Kenneth Walker | 38 | Boarder | Coal Miner | Illinois |
| 56 | James S. Adkins | 63 | Head | Coal Miner | Illinois |
| 57 | Angeline Adkins | 62 | Wife | — | Illinois |
| 58 | Charles Lawson | 36 | Head | Coal Miner | Illinois |
| 59 | Alma Lawson | 33 | Wife | — | Illinois |
| 60 | Robert Lawson | 14 | Son | Pupil | Illinois |
| 61 | Bessie Lawson | 12 | Daughter | — | Illinois |
| 62 | Helen Lawson | 11 | Daughter | — | Illinois |
| 63 | Junior Lawson | 10 | Son | — | Illinois |
| 64 | Jimmie Lawson | 8 | Son | — | Illinois |
| 65 | Lois Lawson | 6 | Daughter | — | Illinois |
| 66 | George Lee Lawson | 3 | Son | — | Illinois |
| 67 | Harvey Lawson | 2 | Son | — | Illinois |
| 68 | Dennis Browns | 49 | Head | Coal Miner | Illinois |
| 69 | Edward Earl Browns | 23 | Step Son | Farmer | Illinois |
| 70 | Herman Browns | 20 | Step Son | Farmer | Illinois |
| 71 | Jake Jackson | 39 | Head | Laborer | Illinois |
| 72 | Edna Jackson | 35 | Wife | — | Arkansas |
| 73 | Opal Jackson | 17 | Daughter | House Work | Illinois |
| 74 | Glenn Jackson | 16 | Son | Laborer | Illinois |
| 75 | Terry Jackson | 13 | Son | — | Illinois |
| 76 | Wilda Jackson | 11 | Daughter | — | Illinois |
| 77 | Guy Richard Jackson | 9 | Son | — | Illinois |
| 78 | Gerald Lee Jackson | 6 | Son | — | Illinois |
| 79 | Mary Louise Jackson | 4 | Daughter | — | Illinois |
| 80 | Clyde Jackson | 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)