MD
Mary Davenport — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Davenport across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 10-person household.
Age 40
b. ~1900
Female
Spouse
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Davenport |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1900 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Smith Thompson | Other | — | 24 | ~1916 |
| Henry Davenport | Son | — | 8 | ~1932 |
| Mary Davenport | Spouse | — | 40 | ~1900 |
| Leon Davenport | Son | — | 11 | ~1929 |
| Willa Thompson | Daughter | — | 20 | ~1920 |
| Doris Thompson | Daughter | — | 2 | ~1938 |
| Mildred Davenport | Daughter | — | 13 | ~1927 |
| Helen Davenport | Daughter | — | 7 | ~1933 |
| Daniel Davenport | Son | — | 15 | ~1925 |
| Daniel Davenport | Head | — | 43 | ~1897 |
Census Appearances
1930
Cook, Illinois
Spouse, age 29
Cook, Illinois · implied b. ~1901 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davenport |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Georgia |
| Age at First Marriage | 18 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Cook-County, Illinois
Spouse, age 40
Cook-County, Illinois · implied b. ~1900 — 10 household members
| Surname | Davenport |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Mary Davenport across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Davenport
Spouse · 1940 · age 40 · b. ~1900 · 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-t0627-00925-00107)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Chase | 40 | Lodger | Ice Storer | Louisiana |
| 2 | Louise Randolph | 20 | Lodger | Maid | Louisiana |
| 3 | Daniel Davenport | 43 | Head | Mechanic | Georgia |
| 4 | Mary Davenport THIS PERSON | 40 | Wife | — | Georgia |
| 5 | Daniel Davenport | 15 | Son | — | Georgia |
| 6 | Mildred Davenport | 13 | Daughter | — | Illinois |
| 7 | Leon Davenport | 11 | Son | — | Illinois |
| 8 | Henry Davenport | 8 | Son | — | Illinois |
| 9 | Helen Davenport | 7 | Daughter | — | Illinois |
| 10 | Smith Thompson | 24 | Son-in-law | Core Baker | Tennessee |
| 11 | Willa Thompson | 20 | Daughter | — | Georgia |
| 12 | Doris Thompson | 2 | Daughter | — | Illinois |
| 13 | Clarence Swanagan | 51 | Head | Gas Maker | Mississippi |
| 14 | Mamie Swanagan | 32 | Wife | — | Mississippi |
| 15 | Clarence Jr Swanagan | 9 | Son | — | Illinois |
| 16 | Charles Swanagan | 7 | Son | — | Illinois |
| 17 | Dolores Swanagan | 5 | Daughter | — | Illinois |
| 18 | Franchot Swanagan | 3 | Son | — | Illinois |
| 19 | Anita Swanagan | 1 | Daughter | — | Illinois |
| 20 | Harold Dade | 24 | Head | Sound Technician | Iowa |
| 21 | Annie Dade | 22 | Wife | — | Virginia |
| 22 | Evelyn Dade | 5 | Daughter | — | Illinois |
| 23 | Loretta Dade | 3 | Daughter | — | Illinois |
| 24 | Harriet Dade | 1 | Daughter | — | Illinois |
| 25 | Warren Jackson | 27 | Lodger | Salesman | Arkansas |
| 26 | Orille Julien | 53 | Head | Feeder | Louisiana |
| 27 | Roscoe Julien | 40 | Brother | Janitor | Louisiana |
| 28 | Beatrice Julien | 35 | Sister-in-law | — | Louisiana |
| 29 | Lester David | 33 | Lodger | Chipper | Mississippi |
| 30 | Tom Burton | 32 | Lodger | Deliveryman | Mississippi |
| 31 | Earnest Hall | 37 | Head | Skinner | Mississippi |
| 32 | Jane Hall | 34 | Wife | — | Georgia |
| 33 | Chester Hall | 6 | Son | — | Illinois |
| 34 | Walter Hall | 2 | Son | — | Illinois |
| 35 | David Flunoy | 67 | Father-in-law | — | Georgia |
| 36 | Annie Flunoy | 62 | Mother-in-law | — | Georgia |
| 37 | Charlotte Hall | 25 | Niece | Maid | Georgia |
| 38 | Clay Myrick | 54 | Head | Tank Man | Arkansas |
| 39 | Penny L Myrick | 44 | Wife | — | Tennessee |
| 40 | Porter Myrick | 23 | Son | — | Arkansas |
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)