MJ
Mildred Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mildred Jackson across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Jackson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1925 |
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 Mildred | Age | Birth yr |
|---|---|---|---|---|
| Lorraine Jackson | Daughter | — | 4 | ~1936 |
| Annette Jackson | Daughter | — | 6 | ~1934 |
| Shirley Jackson | Daughter | — | ~1940 | |
| Julius Jackson | Son | — | 14 | ~1926 |
| Libby Cohen | Other | — | 65 | ~1875 |
| Esther Jackson | Spouse | — | 33 | ~1907 |
| Mildred Jackson | Daughter | — | 15 | ~1925 |
| Ben Jackson | Head | — | 45 | ~1895 |
| William Jackson | Son | — | 2 | ~1938 |
Census Appearances
1930
Cook, Illinois
Daughter, age 6
Cook, Illinois · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 15
Cook-County, Illinois · implied b. ~1925 — 9 household members
| Surname | Jackson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 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 Mildred Jackson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mildred Jackson
Daughter · 1940 · age 15 · b. ~1925 · Illinois
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Sibling
Annette Jackson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julius Jackson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorraine Jackson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Jackson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Jackson
Sibling · 1940 · age
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
40 people indexed on this census page (nara:1940:m-t0627-00970-00709)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Coyle | 60 | Head | — | Irish Free State |
| 42 | Harry Coyle | 42 | Son | Switch Tender | Illinois |
| 43 | Dolores Coyle | 38 | Daughter | Stenographer | Illinois |
| 44 | Max Bickman | 46 | Head | Cab Driver | New York |
| 45 | Dorothy R. Bickman | 36 | Wife | — | Missouri |
| 46 | Annette Bickman | 16 | Daughter | — | Illinois |
| 47 | Elaine Bickman | 15 | Son | — | Illinois |
| 48 | Charles Bickman | 14 | Son | — | Illinois |
| 49 | Geraldine Bickman | 12 | Daughter | — | Illinois |
| 50 | Irene Bickman | 7 | Daughter | — | Illinois |
| 51 | Isaac Newman | 64 | Head | Metal Dealer | Russia |
| 52 | Mary Newman | 51 | Wife | — | Russia |
| 53 | Frances Newman | 37 | Daughter | Stenographer | Illinois |
| 54 | Sydney Newman | 31 | Son | Metal Worker | Illinois |
| 55 | Isabelle Newman | 27 | Daughter | Mail Clerk | Illinois |
| 56 | Leonard Newman | 25 | Son | Factory Worker | Illinois |
| 57 | Harriett Newman | 20 | Daughter | Saleslady | Illinois |
| 58 | Aaron Wolf | 37 | Head | Plumber | Hungary |
| 59 | Olga D. Wolf | 29 | Wife | — | New York |
| 60 | Robert Wolf | 11 | Son | — | Illinois |
| 61 | Shirley Wolf | 9 | Daughter | — | Illinois |
| 62 | Marilyn Wolf | 7 | Daughter | — | Illinois |
| 63 | Eugenia Klein | 59 | Mother-in-law | Housekeeper | Hungary |
| 64 | Dorothy Phillips | 19 | Niece | Saleslady | Colorado |
| 65 | Ben Y. Jackson | 45 | Head | — | Illinois |
| 66 | Esther Jackson | 33 | Wife | — | Russia |
| 67 | Mildred Jackson THIS PERSON | 15 | Daughter | — | Illinois |
| 68 | Julius Jackson | 14 | Son | — | Illinois |
| 69 | Annette Jackson | 6 | Daughter | — | Illinois |
| 70 | Lorraine Jackson | 4 | Daughter | — | Illinois |
| 71 | William Jackson | 2 | Son | — | Illinois |
| 72 | Shirley Jackson | 0 | Daughter | — | Illinois |
| 73 | Libby Cohen | 65 | Mother | — | Russia |
| 74 | Harry Milstein | 65 | Head | — | Poland |
| 75 | Rose B. Milstein | 65 | Wife | — | Poland |
| 76 | Arthur Cohen | 43 | Head | Proprietor | Illinois |
| 77 | Minnie Cohen | 40 | Wife | — | Northern Ireland |
| 78 | Norman Cohen | 13 | Son | — | Illinois |
| 79 | David Cohen | 9 | Son | — | Illinois |
| 80 | Solomon Michael | 29 | Head | Installer | Persia |
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)