GK
Grace King — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Illinois
Our Model Tree links this Grace King across the 1920, 1930 and 1940 US Censuses in Knox-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 5-person household.
Age 46
b. ~1894
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Illinois |
| Surname | King |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Victoria Twp. |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Victoria Twp |
| Est. Birth Year | ~1894 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Gladys King | Daughter | — | 18 | ~1922 |
| Earl King | Son | — | 25 | ~1915 |
| Grace King | Spouse | — | 46 | ~1894 |
| Ambrose King | Head | — | 49 | ~1891 |
| Rennie King | Son | — | 22 | ~1918 |
Census Appearances
1920
Knox, Illinois
Spouse, age 26
Knox, Illinois · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Knox, Illinois
Other, age 36
Knox, Illinois · implied b. ~1894 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Grace E |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| 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
Knox-County, Illinois
Spouse, age 46
Knox-County, Illinois · implied b. ~1894 — 5 household members
| Surname | King |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Victoria Twp. |
| 1935 Residence (County) | Knox |
| Highest Grade | No 7 |
| 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 Grace King across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Grace King
Spouse · 1940 · age 46 · b. ~1894 · 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 — Knox-County, Illinois
Open full size
1940 US Federal Census — Knox-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00827-00427)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Isaphon | 10 | Son | — | Illinois |
| 42 | Mary Isaphon | 2 | Daughter | — | Illinois |
| 43 | Floyd Ray | 50 | Head | Farmer | Illinois |
| 44 | Martin Geddes | 39 | Head | Farmer | Illinois |
| 45 | Mary Geddes | 56 | Wife | — | Illinois |
| 46 | Dale Libby | 30 | Head | Farmer | Illinois |
| 47 | Margaret Libby | 28 | Daughter | — | Illinois |
| 48 | Donald Johnson | 31 | Head | Farmer | Illinois |
| 49 | Elsie Johnson | 35 | Wife | — | Illinois |
| 50 | Donald Jr. Johnson | 3 | Son | — | Illinois |
| 51 | Olive Johnson | 55 | Mother | — | Illinois |
| 52 | Lizzie Cole | 74 | Head | — | Illinois |
| 53 | Henry Pennington | 52 | Head | Farmer | Illinois |
| 54 | Grace Pennington | 48 | Wife | — | Illinois |
| 55 | Kenneth Pennington | 23 | Son | Laborer | Illinois |
| 56 | Eva Pennington | 16 | Daughter | — | Illinois |
| 57 | Agnes Wagner | 66 | Mother-in-law | — | England |
| 58 | Perry Sopher | 56 | Head | Farmer | Nebraska |
| 59 | Pearl Sopher | 55 | Wife | — | Illinois |
| 60 | Mary Rapp | 73 | Lodger | — | Ohio |
| 61 | James Miles | 37 | Head | Farmer | Illinois |
| 62 | Edna Mae Miles | 33 | Wife | — | Illinois |
| 63 | James Link | 27 | Head | — | Illinois |
| 64 | Blossom Link | 28 | Wife | — | Minnesota |
| 65 | Clarence Peterson | 53 | Head | Laborer | Illinois |
| 66 | Helen Peterson | 46 | Wife | — | Nebraska |
| 67 | Clarence Fehnstrom | 42 | Head | Laborer | Illinois |
| 68 | Beulah Fehnstrom | 32 | Wife | — | Illinois |
| 69 | Aldene Fehnstrom | 14 | Daughter | — | Illinois |
| 70 | Joanna Fehnstrom | 10 | Daughter | — | Illinois |
| 71 | Ambrose King | 49 | Head | Contractor | Kansas |
| 72 | Grace King THIS PERSON | 46 | Wife | — | Illinois |
| 73 | Earl King | 25 | Son | Carpenter | Illinois |
| 74 | Rennie King | 22 | Son | Carpenter | Illinois |
| 75 | Gladys Mae King | 18 | Daughter | — | Illinois |
| 76 | Ernest Hart | 48 | Head | Farmer | Illinois |
| 77 | Arpha Hart | 37 | Wife | — | Illinois |
| 78 | William Hart | 18 | Son | — | Illinois |
| 79 | Wallace Hart | 15 | Son | — | Illinois |
| 80 | Mary Louise Hart | 10 | Daughter | — | 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)