GJ
Grace Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mcdonough-County, Illinois
Our Model Tree links this Grace Jackson across the 1930 and 1940 US Censuses in Mcdonough-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 6-person household.
Age 39
b. ~1901
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mcdonough-County, Illinois |
| Surname | Jackson |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Macomb |
| 1935 Residence (County) | McDonough |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Macomb City |
| Est. Birth Year | ~1901 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| James Jackson | Head | — | 40 | ~1900 |
| Carol Jackson | Son | — | 3 | ~1937 |
| Gaylord Jackson | Son | — | 19 | ~1921 |
| Donald Jackson | Son | — | 11 | ~1929 |
| Wayne Jackson | Son | — | 16 | ~1924 |
| Grace Jackson | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Mcdonough, Illinois
Other, age 29
Mcdonough, Illinois · implied b. ~1901 — 5 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 | 29 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 19 |
| 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
Mcdonough-County, Illinois
Spouse, age 39
Mcdonough-County, Illinois · implied b. ~1901 — 6 household members
| Surname | Jackson |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Macomb |
| 1935 Residence (County) | McDonough |
| Highest Grade | Hs 2 |
| 1935 Residence | Illinois |
| 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 39 · b. ~1901 · 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 — Mcdonough-County, Illinois
Open full size
1940 US Federal Census — Mcdonough-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00839-00619)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marie Day | 10 | Daughter | — | Illinois |
| 2 | Lester Day | 9 | Son | — | Illinois |
| 3 | James Day | 8 | Son | — | Illinois |
| 4 | Gwain Day | 5 | Daughter | — | Illinois |
| 5 | Theodore Roth | 27 | Head | Mechanic | Illinois |
| 6 | Garnet Roth | 24 | Wife | — | Illinois |
| 7 | Shirley Ann Roth | 3 | Daughter | — | Illinois |
| 8 | Wendell Olson | 24 | Head | Baker | Illinois |
| 9 | Darlene Olson | 19 | Wife | — | Illinois |
| 10 | Karen Kay Olson | 1 | Daughter | — | Illinois |
| 11 | James Jackson | 40 | Head | Laborer | Missouri |
| 12 | Grace Jackson THIS PERSON | 39 | Wife | — | Illinois |
| 13 | Gaylord Jackson | 19 | Son | — | Illinois |
| 14 | Wayne Jackson | 16 | Son | — | Illinois |
| 15 | Donald Jackson | 11 | Son | — | Illinois |
| 16 | Carol Jackson | 3 | Son | — | Illinois |
| 17 | Edward Crowe | 26 | Head | Shipping Clerk | Missouri |
| 18 | Helen Crowe | 23 | Wife | Time Keeper | Illinois |
| 19 | Robert Lee Crowe | 2 | Son | — | Illinois |
| 20 | Sandra Kay Crowe | 1 | Daughter | — | Illinois |
| 21 | William Jackson | 67 | Head | — | Texas |
| 22 | Minnie Jackson | 57 | Wife | — | Missouri |
| 23 | Marian Jackson | 17 | Son | — | Illinois |
| 24 | James Gallagher | 68 | Head | Dish Washer | Pennsylvania |
| 25 | Ollie Gallagher | 63 | Wife | — | Illinois |
| 26 | William Higgins | 74 | Roomer | — | — |
| 27 | Raymond Gingerich | 30 | Head | Attendant | Missouri |
| 28 | Helen Gingerich | 29 | Wife | — | Illinois |
| 29 | Robert Gingerich | 1 | Son | — | Illinois |
| 30 | Elston Peters | 46 | Head | Salesman | Indiana |
| 31 | Lillian Peters | 47 | Wife | — | Illinois |
| 32 | Hugh Doran | 65 | Head | Plumber | Illinois |
| 33 | Anna Doran | 57 | Wife | — | Iowa |
| 34 | Raymond Doran | 29 | Son | — | Illinois |
| 35 | Marie Doran | 27 | Son | Clerk | Illinois |
| 36 | Catherine Doran | 19 | Daughter | Saleslady | Illinois |
| 37 | Mabel Donoghue | 51 | Head | — | Illinois |
| 38 | Everett Donoghue | 17 | Son | — | Illinois |
| 39 | Mary Jane Donoghue | 15 | Daughter | — | Illinois |
| 40 | William Savidge | 63 | Head | Electrician | 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)