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Grace Hill — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Vermilion-County, Illinois
Our Model Tree links this Grace Hill across the 1930 and 1940 US Censuses in Vermilion-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 6-person household.
Age 10
b. ~1930
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vermilion-County, Illinois |
| Surname | Hill |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Danville |
| 1935 Residence (County) | Vermilion |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Danville |
| Est. Birth Year | ~1930 |
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 |
|---|---|---|---|---|
| Hester Hill | Spouse | — | 42 | ~1898 |
| Grace Hill | Daughter | — | 10 | ~1930 |
| Leroy Hill | Son | — | 20 | ~1920 |
| Eleanor Hill | Daughter | — | 18 | ~1922 |
| Opal Hill | Daughter | — | 15 | ~1925 |
| Leroy Hill | Head | — | 45 | ~1895 |
Census Appearances
1930
Vermilion, Illinois
Daughter, age
Vermilion, Illinois · implied b. ~1930 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Vermilion-County, Illinois
Daughter, age 10
Vermilion-County, Illinois · implied b. ~1930 — 6 household members
| Surname | Hill |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Danville |
| 1935 Residence (County) | Vermilion |
| Highest Grade | 5 |
| 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 Hill across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Hill
Daughter · 1940 · age 10 · b. ~1930 · Illinois
★ You are viewing this record
Sibling
Opal Hill
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Hill
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Hill
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Vermilion-County, Illinois
Open full size
1940 US Federal Census — Vermilion-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00898-00180)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ervin P. Trunk | 41 | Head | Gas Station Operator | Illinois |
| 2 | Maxine P. Trunk | 37 | Wife | — | Illinois |
| 3 | Caroline Ann Trunk | 1 | Daughter | — | Illinois |
| 4 | Fred Mary | 53 | Head | Salesman | Indiana |
| 5 | Violet B. Mary | 53 | Wife | — | Indiana |
| 7 | Paul M. Atherton | 65 | Head | Owner | Illinois |
| 8 | Effie M. Atherton | 64 | Wife | — | Illinois |
| 9 | Matteo Rigoni | 38 | Head | Checker | Illinois |
| 10 | Ermida Rigoni | 31 | Wife | — | Indiana |
| 11 | Ronald Rigoni | 3 | Son | — | Illinois |
| 12 | Albert Oraulak | 51 | Head | Black Smith | Austria |
| 13 | Anna Oraulak | 48 | Wife | — | Austria |
| 14 | Russel Oraulak | 21 | Son | Apprentice | Illinois |
| 15 | John R. Myers | 29 | Head | Salesman | Illinois |
| 16 | Ruby E. Myers | 29 | Wife | — | Illinois |
| 17 | Patricia Ann Myers | 2 | Daughter | — | Illinois |
| 18 | William Robert Myers | 1 | Son | — | Illinois |
| 19 | Thomas Coan | 46 | Head | Motorman | England |
| 20 | Mae Coan | 44 | Wife | Cook | Indiana |
| 21 | Melville Hall | 42 | Head | Plasterer | Illinois |
| 22 | Nellie Hall | 41 | Wife | — | Indiana |
| 23 | Richard Hall | 9 | Son | — | Texas |
| 24 | Sara Ann Hall | 5 | Daughter | — | Illinois |
| 25 | Leroy Hill | 45 | Head | Car Inspector | Illinois |
| 26 | Hester Hill | 42 | Wife | — | Illinois |
| 27 | Leroy Edward Hill | 20 | Son | Truck Driver | Illinois |
| 28 | Eleanor Hill | 18 | Daughter | Maid | Iowa |
| 29 | Opal Hill | 15 | Daughter | — | Illinois |
| 30 | Grace Hill THIS PERSON | 10 | Daughter | — | Illinois |
| 31 | Charles H. Thompson | 67 | Head | — | Illinois |
| 32 | Belle Thompson | 56 | Wife | — | Illinois |
| 33 | Thomas Rector | 79 | Head | — | Kentucky |
| 34 | Ada Rector | 56 | Wife | — | Illinois |
| 35 | John W. Mullins | 51 | Head | Cream Grader | Illinois |
| 36 | Ada Marie Mullins | 50 | Wife | — | Indiana |
| 37 | Jerry Clark | 82 | Head | — | Illinois |
| 38 | Charles Threma | 33 | Head | City Clerk | Illinois |
| 39 | Helen Threma | 35 | Wife | — | Illinois |
| 40 | Mary Carey Threma | 5 | 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)