MD
Mary Drake — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Drake across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Drake |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | No 3 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1928 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Andrew Drake | Head | — | 49 | ~1891 |
| Mary Drake | Daughter | — | 12 | ~1928 |
| Ruth Drake | Daughter | — | 13 | ~1927 |
| Nelson Drake | Son | — | 15 | ~1925 |
| Chester Drake | Son | — | 20 | ~1920 |
| Harold Drake | Son | — | 18 | ~1922 |
| Gussie Drake | Spouse | — | 48 | ~1892 |
| William Drake | Son | — | 23 | ~1917 |
Census Appearances
1930
Cook, Illinois
Daughter, age 2
Cook, Illinois · implied b. ~1928 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Drake |
| Given Name | Marion |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 12
Cook-County, Illinois · implied b. ~1928 — 8 household members
| Surname | Drake |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | No 3 |
| 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 Mary Drake across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Drake
Daughter · 1940 · age 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Nelson Drake
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Drake
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Drake
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chester Drake
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Drake
Sibling · 1940 · age 13
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00960-00949)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Paulla Mathews | 54 | Lodger | — | Wisconsin |
| 2 | Edna D Gibbs | 50 | Head | — | Mississippi |
| 3 | Eunice Gibbs | 17 | Daughter | — | Illinois |
| 4 | Sharon Gibbs | 1 | Daughter | — | Illinois |
| 5 | Texaco Cisney | 28 | Lodger | Pantry Girl | Tennessee |
| 6 | James Beeks | 44 | Lodger | Laborer | Mississippi |
| 7 | Andrew Drake | 49 | Head | Shipping Clerk | Missouri |
| 8 | Gussie Drake | 48 | Wife | — | Missouri |
| 9 | William Drake | 23 | Son | Shipping Clerk | Illinois |
| 10 | Chester Drake | 20 | Son | New Worker | Illinois |
| 11 | Harold Drake | 18 | Son | — | Illinois |
| 12 | Nelson Drake | 15 | Son | — | Illinois |
| 13 | Ruth Drake | 13 | Daughter | — | Illinois |
| 14 | Mary Drake THIS PERSON | 12 | Daughter | — | Illinois |
| 15 | Almeda Hill | 27 | Head | — | Georgia |
| 16 | Verne Hill | 25 | Wife | Instructor | Georgia |
| 17 | Clarence Hill | 5 | Son | — | Illinois |
| 18 | Marie Hill | 3 | Daughter | — | Illinois |
| 19 | Charles Hill | 2 | Son | — | Illinois |
| 20 | Raphael Lewis | 63 | Head | Janitor | Tennessee |
| 21 | Nafye Lewis | 45 | Wife | — | Mississippi |
| 22 | Anna P Billups | 18 | Daughter | — | Illinois |
| 23 | Lomax Billups | 15 | Son | — | Illinois |
| 24 | Benjamin H Murrell | 18 | Lodger | House Servant | Illinois |
| 25 | Estella Vaughn | 29 | Head | Ironer | Mississippi |
| 26 | Consuelo Vaughn | 35 | Wife | — | Illinois |
| 27 | Murzel Vaughn | 4 | Daughter | — | Illinois |
| 28 | Patricia A Vaughn | 1 | Daughter | — | Illinois |
| 29 | Daniel Brooks | 35 | Head | Laborer | Louisiana |
| 30 | Daniel Jr Brooks | 11 | Son | — | Illinois |
| 31 | Mary Brooks | 65 | Mother | — | Louisiana |
| 32 | Eunice Allen | 17 | Niece | — | Louisiana |
| 33 | Anthony Allen | 16 | Nephew | — | Louisiana |
| 34 | Robert Sutherland | 49 | Head | Watchman | Michigan |
| 35 | Louise Sutherland | 42 | Wife | — | Canada French |
| 36 | Beverly Sutherland | 18 | Son | Delivery Boy | Illinois |
| 37 | Everett Noel | 30 | Lodger | Laborer | Illinois |
| 38 | Richard King | 15 | Lodger | — | Illinois |
| 39 | Rudolph Burden | 14 | Lodger | — | 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)