DB
Dorothy Butler — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Dorothy Butler across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Butler |
| Given Name | Dorothy G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1926 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Lois Butler | Daughter | — | 22 | ~1918 |
| Tillman Butler | Son | — | 24 | ~1916 |
| James Butler | Son | — | 20 | ~1920 |
| Robert Butler | Son | — | 11 | ~1929 |
| Lillie Butler | Spouse | — | 41 | ~1899 |
| Joan Butler | Daughter | — | 19 | ~1921 |
| Dorothy Butler | Daughter | — | 14 | ~1926 |
| Tillman Butler | Head | — | 54 | ~1886 |
Census Appearances
1930
Cook, Illinois
Daughter, age 4
Cook, Illinois · implied b. ~1926 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | Dorothy M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 14
Cook-County, Illinois · implied b. ~1926 — 8 household members
| Surname | Butler |
| Given Name | Dorothy G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Highest Grade | H-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 Dorothy Butler across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Butler
Daughter · 1940 · age 14 · b. ~1926 · Illinois
★ You are viewing this record
Sibling
Tillman Butler
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Butler
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Butler
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Butler
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Butler
Sibling · 1940 · age 11
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-t0627-00933-00262)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Tillman Butler | 54 | Head | Janitor | Georgia |
| 2 | Lillie B. Butler | 41 | Wife | — | Georgia |
| 3 | Tillman Jr. Butler | 24 | Son | Mail Clerk | Illinois |
| 4 | Lois E. Butler | 22 | Daughter | Maid-Servant | Illinois |
| 5 | James T. Butler | 20 | Son | Laborer | Illinois |
| 6 | Joan L. Butler | 19 | Daughter | — | Illinois |
| 7 | Dorothy G. Butler THIS PERSON | 14 | Daughter | — | Illinois |
| 8 | Robert L. Butler | 11 | Son | — | Illinois |
| 9 | Thomas Franklin | 55 | Head | Janitor | Indiana |
| 10 | Gertrude Franklin | 52 | Wife | — | Indiana |
| 11 | Robert C. Thacker | 40 | Head | Police Officer | Illinois |
| 12 | Theresa Thacker | 62 | Mother | — | Tennessee |
| 13 | Robert Jr. Thacker | 64 | Father | — | Tennessee |
| 14 | Allen R. Thacker | 37 | Brother | Library Clerk | Illinois |
| 15 | Mary Brown | 34 | Head | — | Kentucky |
| 16 | Ronald N. Brown | 6 | Son | — | Illinois |
| 17 | Rhuah A. Heard | 46 | Head | Laborer | Alabama |
| 18 | Bessie Heard | 39 | Wife | — | Alabama |
| 19 | Catherine Heard | 16 | Son | — | Illinois |
| 20 | Mamie Williams | 50 | Head | — | Kansas |
| 21 | Ralf Williams | 22 | Son | — | Mississippi |
| 22 | Samuel D. Thomas | 33 | Lodger | Laborer | Georgia |
| 23 | Marie Thomas | 26 | Lodger | — | Georgia |
| 24 | George Douglas | 40 | Head | Clerk | Georgia |
| 25 | Elizabeth Douglas | 34 | Wife | — | So. Carolina |
| 26 | Juanita Douglas | 30 | Lodger | Maid | Mississippi |
| 27 | George Douglas | 12 | Lodger | — | Illinois |
| 28 | Sarah Douglas | 95 | Grandmother | — | Alabama |
| 29 | Ronald Bryson | 56 | Head | — | Tennessee |
| 30 | Alberta R. Bryson | 40 | Wife | — | Tennessee |
| 31 | Louise Bryson | 19 | Daughter | — | Illinois |
| 32 | Kathrine Bryson | 16 | Daughter | — | Illinois |
| 33 | Ronald Bryson | 14 | Son | — | Illinois |
| 34 | Muriel Bryson | 11 | Daughter | — | Illinois |
| 35 | Casper Bryson | 9 | Son | — | Illinois |
| 36 | Sylvester W. Steward | 55 | Head | Laborer | Ohio |
| 37 | Nathaniel Handfield | 41 | Lodger | Porter | Tennessee |
| 38 | Hattie Dumas | 30 | Lodger | Maid - Inner | Ohio |
| 39 | Anderson Halsey | 45 | Head | Porter | Alabama |
| 40 | Margaret R. Halsey | 45 | Wife | — | Ohio |
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)