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Martha Hill — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this Martha Hill across the 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 8-person household.
Age 49
b. ~1891
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Hill |
| Given Name | Martha A. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Champaign |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | St Joseph Village |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Kathryn Hill | Daughter | — | 16 | ~1924 |
| Margaret Hill | Daughter | — | 22 | ~1918 |
| Alice Hill | Daughter | — | 9 | ~1931 |
| Horace Hill | Head | — | 52 | ~1888 |
| Ends Warren | Other | — | — | |
| Howard Hill | Son | — | 24 | ~1916 |
| Lewis Hill | Son | — | 8 | ~1932 |
| Martha Hill | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Champaign, Illinois
Other, age 39
Champaign, Illinois · implied b. ~1891 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Martha E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Spouse, age 49
Champaign-County, Illinois · implied b. ~1891 — 8 household members
| Surname | Hill |
| Given Name | Martha A. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Champaign |
| 1935 Residence (County) | Champaign |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Martha Hill across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Hill
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 — Champaign-County, Illinois
Open full size
1940 US Federal Census — Champaign-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00766-00722)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eva T. Schuman | 34 | wife | — | Missouri |
| 2 | Jack W. Schuman | 16 | son | — | Illinois |
| 3 | Dorothy A. Schuman | 5 | daughter | — | Illinois |
| 4 | Kenneth Sanders | 30 | head | Attendant | Indiana |
| 5 | Florence Sanders | 22 | wife | — | Illinois |
| 6 | Glen D. Millis | 28 | head | Heater | Illinois |
| 7 | Mary M. Millis | 23 | wife | — | Illinois |
| 8 | Emma M. Test | 68 | head | — | Illinois |
| 9 | Lawrence G. Crist | 57 | head | Manager-Attendant | Ohio |
| 10 | Verna M. Crist | 54 | wife | — | Illinois |
| 11 | Lynn B. Crist | 29 | son | Farm Hand | Illinois |
| 12 | Julia R. Crist | 26 | daughter | — | Illinois |
| 13 | Audra B. Crist | 23 | daughter | — | Illinois |
| 14 | Lawrence R. Jr. Crist | 21 | son | — | Illinois |
| 15 | Frances B. J. Crist | 16 | daughter | — | Illinois |
| 16 | Harry M. Smith | 35 | head | Assistant Foreman | Illinois |
| 17 | Lelia G. Smith | 33 | wife | — | Illinois |
| 18 | Kenneth R. Smith | 12 | son | — | Illinois |
| 19 | Billy A. Smith | 9 | son | — | Illinois |
| 20 | Norman B. Smith | 7 | son | — | Illinois |
| 21 | Loris A. Smith | 4 | daughter | — | Illinois |
| 22 | Sonja J. Smith | 1 | daughter | — | Illinois |
| 23 | Charles W. Murphy | 57 | head | Caretaker | Ohio |
| 24 | Mary V. Murphy | 56 | wife | — | Ohio |
| 25 | Ross A. Hanks | 57 | head | Utility Man | Illinois |
| 26 | Sarah E. Hanks | 63 | wife | — | Illinois |
| 27 | Horace W. Hill | 52 | head | Maintenance Engineer | Illinois |
| 28 | Martha A. Hill THIS PERSON | 49 | wife | — | Illinois |
| 29 | Margaret M. Hill | 22 | daughter | — | Illinois |
| 30 | Howard Hill | 24 | son | Mechanic | Oklahoma |
| 31 | Kathryn L. Hill | 16 | daughter | — | Illinois |
| 32 | Alice M. Hill | 9 | daughter | — | Illinois |
| 33 | Lewis E. Hill | 8 | son | — | Illinois |
| 34 | Ends White Begins Warren | None | — | — | — |
| 35 | Raymond J. Blaker | 36 | head | Mechanic | Illinois |
| 36 | Fay M. Blaker | 30 | wife | Clerk | Illinois |
| 37 | Irene D. Blaker | 7 | daughter | — | Illinois |
| 38 | Zaye Percival | 39 | head | File Clerk | Minnesota |
| 39 | Burton Percival | 14 | son | — | Illinois |
| 40 | Ralph Percival | 12 | 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)