EC
Elizabeth Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Crawford-County, Illinois
Our Model Tree links this Elizabeth Cooper across the 1920, 1930 and 1940 US Censuses in Crawford-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 2-person household.
Age 75
b. ~1865
Female
Head
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Illinois |
| Surname | Cooper |
| Given Name | Elizabeth |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Oblong Village |
| 1935 Residence (County) | Crawford |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Oblong Village |
| Est. Birth Year | ~1865 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Addison Cooper | Son | — | 49 | ~1891 |
| Elizabeth Cooper | Head | — | 75 | ~1865 |
Census Appearances
1920
Crawford, Illinois
Head, age 53
Crawford, Illinois · implied b. ~1867 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Elizabeth |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Washerwoman |
| Industry | at Home |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Crawford, Illinois
Other, age 65
Crawford, Illinois · implied b. ~1865 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Elizabeth |
| Relationship to Head | Head-H |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1500 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Crawford-County, Illinois
Head, age 75
Crawford-County, Illinois · implied b. ~1865 — 2 household members
| Surname | Cooper |
| Given Name | Elizabeth |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Oblong Village |
| 1935 Residence (County) | Crawford |
| Income (1939) | 0 |
| 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 Elizabeth Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Elizabeth Cooper
Head · 1940 · age 75 · b. ~1865 · 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 — Crawford-County, Illinois
Open full size
1940 US Federal Census — Crawford-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00791-00320)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roland Leamon | 50 | Head | Proprietor | Illinois |
| 2 | Carrie B. Leamon | 33 | Wife | Bookkeeper | Illinois |
| 3 | Amanda Holt | 79 | Mother-in-law | — | Indiana |
| 4 | Carol Berkshire | 20 | Niece | Housekeeper | Illinois |
| 5 | Harry E. Snyder | 58 | Head | Plasterer Contractor | Illinois |
| 6 | Hazel A. Snyder | 57 | Wife | — | Illinois |
| 7 | James A. Forcum | 84 | Father-in-law | — | Indiana |
| 8 | Ralph F. Wood | 39 | Head | Proprietor | Illinois |
| 9 | Agnes C. Wood | 38 | Wife | — | Virginia |
| 10 | Letitia A. Stones | 68 | Mother-in-law | — | Pennsylvania |
| 11 | James B. Mcknight | 53 | Head | Bank Cashier | Illinois |
| 12 | H. Alice Mcknight | 51 | Wife | — | Illinois |
| 13 | Alice L. Mcknight | 18 | Daughter | — | Illinois |
| 14 | Robert H. Mcknight | 16 | Son | — | Illinois |
| 15 | William R. Wall | 59 | Head | R.F.D. Carrier | Illinois |
| 16 | Iura A. Wall | 51 | Wife | — | Illinois |
| 17 | Helen Eileen Wall | 18 | Daughter | — | Illinois |
| 18 | William H. Wilson | 79 | Father-in-law | — | Illinois |
| 19 | Amelia Cornelia Buck | 88 | Head | — | Illinois |
| 20 | Elizabeth Cooper THIS PERSON | 75 | Head | — | Illinois |
| 21 | Addison Jr. Cooper | 49 | Son | Roustabout | Illinois |
| 22 | William H. Smith | 44 | Head | Laborer | Ohio |
| 23 | Rochelle Smith | 42 | Wife | — | Illinois |
| 24 | Glen W. Smith | 21 | Son | Laborer | Illinois |
| 25 | William Smith | 19 | Son | Laborer | Illinois |
| 26 | Donald D. Smith | 15 | Son | — | Illinois |
| 27 | James W. Tracy | 47 | Head | Pumper | Illinois |
| 28 | Opal F. Tracy | 40 | Wife | — | Illinois |
| 29 | Paul L. Tracy | 21 | Son | Laborer | Illinois |
| 30 | Donald E. Tracy | 18 | Son | — | Illinois |
| 31 | Clarence A. Tracy | 16 | Son | — | Illinois |
| 32 | Leroy F. Tracy | 13 | Son | — | Illinois |
| 33 | Merlin W. Tracy | 10 | Son | — | Illinois |
| 34 | Eulan Eulen | 28 | Head | Coal & Feed Dealer | Illinois |
| 35 | Thelma Eulen | 27 | Wife | — | Illinois |
| 36 | Shirley A. Eulen | 5 | Daughter | — | Illinois |
| 37 | John S. Wright | 31 | Head | Laborer | Illinois |
| 38 | Jean Wright | 31 | Wife | — | Illinois |
| 39 | Kenneth E. Wright | 3 | Son | — | Illinois |
| 40 | James W. Wright | 0 | 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)