DJ
Dorothy Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Dorothy Jackson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Sheryl & Josie — first a daughter (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Jackson |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1915 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Hazel Jackson | Daughter | — | 27 | ~1913 |
| Dorothy Jackson | Daughter | — | 25 | ~1915 |
| Sheryl Jackson | Head | — | 76 | ~1864 |
| Sheryl Jackson | Son | — | 29 | ~1911 |
| Pearl Jackson | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Cook, Illinois
Daughter, age 4
Cook, Illinois · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 14
Cook, Illinois · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Illinois |
| Occupation | Maid |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 25
Cook-County, Illinois · implied b. ~1915 — 5 household members
| Surname | Jackson |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 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 Dorothy Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Sheryl Jackson (~0.92 confidence) and mother Josie Jackson (~0.92 confidence) and father Joseph Jackson (~0.92 confidence) and mother Pearl Jackson (~0.92 confidence) and mother Jessie Jackson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Sheryl Jackson
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Josie Jackson
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Joseph Jackson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Pearl Jackson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Jessie Jackson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Jackson
Daughter · 1940 · age 25 · b. ~1915 · Illinois
★ You are viewing this record
Sibling
Sheryl Jackson
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Jackson
Sibling · 1940 · age 27
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-t0627-00927-00117)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Chris Dathy | 67 | Head | Shoe Maker | Germany |
| 2 | Richard Mayer | 47 | Head | Clerk | Illinois |
| 3 | Philip Dick | 55 | Head | Grocer | Lithuania |
| 4 | Clara Dick | 53 | Wife | — | Russia |
| 5 | Benjamin Dick | 21 | Son | Clerk | Illinois |
| 6 | Sam Koulia | 35 | Head | Tailor | Greece |
| 7 | Fannie Dawson | 74 | Head | — | Michigan |
| 8 | Reginald Baker | 58 | Head | Bricklayer | England |
| 9 | Bernice Baker | 51 | Wife | — | England |
| 10 | Mildred Baker | 20 | daughter | Stenographer | Illinois |
| 11 | Vera Baker | 18 | daughter | Stenographer | Illinois |
| 12 | Harry Handel | 64 | Head | Steward | Ohio |
| 13 | Clara Handel | 65 | Wife | — | Sweden |
| 14 | William J. Struck | 58 | Head | Mailcarrier | Wisconsin |
| 15 | Etta Struck | 57 | Wife | — | Ohio |
| 16 | Albert Helin | 60 | Head | Foreman | Sweden |
| 17 | Edith Helin | 56 | Wife | — | Nebraska |
| 18 | Melvin Helin | 30 | Son | Truck Driver | Illinois |
| 19 | Robert Helin | 18 | Son | — | Illinois |
| 20 | George Anderson | 52 | Lodger | Repairman | Nebraska |
| 21 | William P. Anthony | 51 | Head | Salesman | Illinois |
| 22 | Ada L. Anthony | 53 | Wife | — | Illinois |
| 23 | Janet Anthony | 28 | daughter | Stenographer | Illinois |
| 24 | Robert B. Calvert | 68 | Lodger | — | Illinois |
| 25 | Mary Lander | 51 | Head | — | Missouri |
| 26 | Barbara Lander | 28 | daughter | Receptionist | Illinois |
| 27 | Fred Johnson | 24 | Lodger | Counterman | Illinois |
| 28 | Elizabeth Riggs | 42 | Head | — | Kentucky |
| 29 | Martha Riggs | 18 | daughter | Clerk Sales | Kentucky |
| 30 | Florence Riggs | 11 | daughter | — | Illinois |
| 31 | William Pearce | 52 | Lodger | Stationery Salesman | Mississippi |
| 32 | Thomas Kurtis | 49 | Lodger | Candy Seller | Greece |
| 33 | Ralph W. Lewis | 51 | Head | Compositor | Iowa |
| 34 | Margaret Lewis | 47 | Wife | — | Illinois |
| 35 | Betty Jane Lewis | 11 | daughter | — | Wisconsin |
| 36 | Sheryl W. Jackson | 76 | Head | — | New York |
| 37 | Pearl Jackson | 60 | Wife | — | Illinois |
| 38 | Sheryl W. Jr. Jackson | 29 | Son | Linotypist | Illinois |
| 39 | Hazel S. Jackson | 27 | daughter | Waitress | Illinois |
| 40 | Dorothy Jackson THIS PERSON | 25 | daughter | — | Illinois |
Pedigree Summary
Dorothy + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)