GJ
Grace Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Boone-County, Illinois
Our Model Tree links this Grace Jackson across the 1930 and 1940 US Censuses in Boone-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 7-person household.
Age 49
b. ~1891
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, Illinois |
| Surname | Jackson |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Bonus township |
| 1935 Residence (County) | Boone |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Bonus Township |
| Est. Birth Year | ~1891 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Neil Jackson | Head | — | 49 | ~1891 |
| Lewis Lawrence | Other | — | 54 | ~1886 |
| Dennis Jackson | Son | — | 4 | ~1936 |
| Charles Jackson | Son | — | 14 | ~1926 |
| Wilma Jackson | Daughter | — | 18 | ~1922 |
| Grace Jackson | Spouse | — | 49 | ~1891 |
| Marlyn Jackson | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Boone, Illinois
Other, age 40
Boone, Illinois · implied b. ~1890 — 7 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 | 40 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Boone-County, Illinois
Spouse, age 49
Boone-County, Illinois · implied b. ~1891 — 7 household members
| Surname | Jackson |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Bonus township |
| 1935 Residence (County) | Boone |
| Income (1939) | 0 |
| Highest Grade | 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 49 · b. ~1891 · 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 — Boone-County, Illinois
Open full size
1940 US Federal Census — Boone-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00760-00272)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wesley B. Watkins | 30 | Head | Farmer | Illinois |
| 2 | Evelyn A. Watkins | 28 | Wife | — | Wisconsin |
| 3 | Robert W. Watkins | 9 | Son | — | Wisconsin |
| 4 | Barbara C. Watkins | 7 | Daughter | — | Illinois |
| 5 | Aris J. Watkins | 5 | Daughter | — | Illinois |
| 6 | James L. Watkins | 3 | Son | — | Illinois |
| 7 | Richard E. Watkins | 2 | Son | — | Illinois |
| 8 | Dale H. Lang | 25 | Head | Laborer | Wisconsin |
| 9 | Edna L. Lang | 21 | Wife | — | Wisconsin |
| 10 | Chester H. Lang | 1 | Son | — | Wisconsin |
| 11 | Norman J. Lang | 0 | Son | — | Wisconsin |
| 12 | Jesse B. Cornwell | 44 | Head | Farmer | Illinois |
| 13 | Minnie L. Cornwell | 42 | Wife | — | Illinois |
| 14 | Kenneth D. Cornwell | 18 | Son | Farmer | Illinois |
| 15 | John H. Hoppe | 28 | Head | Fireman | Illinois |
| 16 | Viola Hoppe | 21 | Wife | — | Illinois |
| 17 | Barbara N. Hoppe | 1 | Daughter | — | Illinois |
| 18 | Neil D. Jackson | 49 | Head | Farmer | Illinois |
| 19 | Grace Jackson THIS PERSON | 49 | Wife | — | Illinois |
| 20 | Wilma G. Jackson | 18 | Daughter | — | Illinois |
| 21 | Charles D. Jackson | 14 | Son | Np | Illinois |
| 22 | Marlyn Jackson | 9 | Daughter | — | Illinois |
| 23 | Dennis N. Jackson | 4 | Son | — | Illinois |
| 24 | Lewis Lawrence | 54 | Hired man | Laborer | North Dakota |
| 25 | Vernon F. Codrey | 34 | Head | Farmer | Illinois |
| 26 | Mable R. Codrey | 40 | Wife | — | Illinois |
| 27 | Mae A. Codrey | 17 | Daughter | — | Illinois |
| 28 | Franklin L. Codrey | 15 | Son | Farmer | Illinois |
| 29 | Fern P. Codrey | 13 | Daughter | — | Illinois |
| 30 | Beatrice J. Codrey | 11 | Daughter | — | Illinois |
| 31 | James L. Codrey | 7 | Son | — | Illinois |
| 32 | Albert J. Whitacre | 65 | Head | Farmer | Illinois |
| 33 | Emma J. Whitacre | 65 | Wife | — | Pennsylvania |
| 34 | James W. Whitacre | 28 | Son | Laborer | Illinois |
| 35 | Helen M. Whitacre | 26 | Daughter | — | Illinois |
| 36 | Axel Donneson | 50 | Hired man | Laborer | Sweden |
| 37 | Montgomery F. Vetes | 66 | Head | Farmer | Illinois |
| 38 | Ada B. Vetes | 67 | Wife | — | Illinois |
| 39 | Herbert Rolandson | 38 | Hired man | Laborer | Illinois |
| 40 | Emma E. Rolandson | 57 | Head | Manager | Sweden |
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)