CT
Cora Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Cora Thomas across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 9-person household.
Age 39
b. ~1901
Female
Spouse
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Thomas |
| Given Name | Cora |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Chicago |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Cora | Age | Birth yr |
|---|---|---|---|---|
| Bertha Thomas | Daughter | — | 19 | ~1921 |
| Cora Thomas | Spouse | — | 39 | ~1901 |
| John Thomas | Head | — | 47 | ~1893 |
| Maurice Thomas | Son | — | 1 | ~1939 |
| Delores Thomas | Daughter | — | 7 | ~1933 |
| Calvin Thomas | Son | — | 11 | ~1929 |
| Margaret Thomas | Daughter | — | 9 | ~1931 |
| Thelma Thomas | Daughter | — | 13 | ~1927 |
| Bernard Thomas | Son | — | 4 | ~1936 |
Census Appearances
1930
Cook, Illinois
Spouse, age 28
Cook, Illinois · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Cora |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 17 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Cook-County, Illinois
Spouse, age 39
Cook-County, Illinois · implied b. ~1901 — 9 household members
| Surname | Thomas |
| Given Name | Cora |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Cora Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Cora Thomas
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00962-00007)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leo Calabrese | 52 | Head | Proprietor | Italy |
| 42 | Josephine Calabrese | 41 | Wife | Seamstress | Italy |
| 43 | Joseph Calabrese | 20 | Son | Laborer | Pennsylvania |
| 44 | Angelo Calabrese | 15 | Son | — | Pennsylvania |
| 45 | James Calabrese | 13 | Son | — | Illinois |
| 46 | Chester Keles | 50 | Head | Laborer | Missouri |
| 47 | Millie Keles | 48 | Wife | — | Missouri |
| 48 | Raymond Pattiford | 37 | Head | Laborer | Illinois |
| 49 | Estelle Pattiford | 32 | Wife | — | Louisiana |
| 50 | Earl Smith | 16 | Step-son | New Worker | Illinois |
| 51 | Curtis Bates | 26 | Lodger | Painter | Mississippi |
| 52 | John Clardy | 36 | Lodger | Laborer | Arkansas |
| 53 | Mary Jackson | 43 | Head | — | Mississippi |
| 54 | Martha Kimberly | 30 | Head | Ironer | Georgia |
| 55 | Charles Kimberly | 13 | Son | — | Georgia |
| 56 | Milton Kimberly | 12 | Son | — | Georgia |
| 57 | Ruby Bryant | 21 | Lodger | Waitress | Georgia |
| 58 | John Thomas | 47 | Head | Braker | Louisiana |
| 59 | Cora Thomas THIS PERSON | 39 | Wife | — | Mississippi |
| 60 | Bertha Thomas | 19 | Daughter | Housekeeper | Arkansas |
| 61 | Thelma Thomas | 13 | Daughter | — | Illinois |
| 62 | Calvin Thomas | 11 | Son | — | Illinois |
| 63 | Margaret Thomas | 9 | Daughter | — | Illinois |
| 64 | Delores Thomas | 7 | Daughter | — | Illinois |
| 65 | Bernard Thomas | 4 | Son | — | Illinois |
| 66 | Maurice Thomas | 1 | Son | — | Illinois |
| 67 | Eugene Gaines | 51 | Head | — | Mississippi |
| 68 | Emma Gaines | 47 | Wife | Housekeeper | Mississippi |
| 69 | Elizabeth Graham | 36 | Head | — | Arkansas |
| 70 | Geraldine Graham | 17 | Daughter | New Worker | Arkansas |
| 71 | Jackson Graham | 16 | Son | — | Arkansas |
| 72 | Jamesie Graham | 14 | Son | — | Arkansas |
| 73 | Louie Jones | 49 | Head | — | Louisiana |
| 74 | Lillie Mullen | 67 | Head | — | Mississippi |
| 75 | Vincent Landando | 54 | Head | Tunnel Worker | Italy |
| 76 | Madaline Landando | 50 | Wife | — | Italy |
| 77 | Camilla Landando | 21 | Daughter | Saleslady | Illinois |
| 78 | Jennie Landando | 18 | Daughter | Finisher | Illinois |
| 79 | Antonette Landando | 16 | Daughter | New Worker | Illinois |
| 80 | Dorothy Landando | 14 | 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)