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Margaret Butler — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Margaret Butler across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Butler |
| Given Name | Margaret E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1924 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| John Butler | Son | — | 10 | ~1930 |
| Jerome Butler | Son | — | 6 | ~1934 |
| John Butler | Head | — | 42 | ~1898 |
| Priscilla Butler | Daughter | — | 11 | ~1929 |
| Mary Butler | Daughter | — | 18 | ~1922 |
| Mary Butler | Spouse | — | 40 | ~1900 |
| Margaret Butler | Daughter | — | 16 | ~1924 |
| James Butler | Son | — | 8 | ~1932 |
| Phylis Butler | Daughter | — | 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 | Butler |
| Given Name | Margaret |
| 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 16
Cook-County, Illinois · implied b. ~1924 — 9 household members
| Surname | Butler |
| Given Name | Margaret E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Industry | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| 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 Margaret Butler across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Butler
Daughter · 1940 · age 16 · b. ~1924 · Illinois
★ You are viewing this record
Sibling
Priscilla Butler
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Butler
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerome Butler
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phylis Butler
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Butler
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Butler
Sibling · 1940 · age 10
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-t0627-00996-00448)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edith H Miske | 14 | Daughter | — | Illinois |
| 2 | Marion Miske | 11 | Daughter | — | Illinois |
| 3 | John D Curtin | 65 | Head | — | Illinois |
| 4 | Helen Curtin | 33 | Daughter | — | Illinois |
| 5 | James Curtin | 27 | Son | Customer Clerk | Illinois |
| 6 | John F La Baun | 52 | Head | Stationary Engineer | Illinois |
| 7 | Anne B La Baun | 49 | Wife | — | Illinois |
| 8 | Edward Haman | 45 | Lodger | Chauffeur | Illinois |
| 9 | Ira Caro | 35 | Head | Salesman | Illinois |
| 10 | Josephine Caro | 28 | Wife | — | Illinois |
| 11 | Patricia Caro | 2 | Daughter | — | Illinois |
| 12 | Margaret Fitzpatrick | 71 | Lodger | — | Illinois |
| 13 | Anton Nilles | 58 | Head | Rate Clerk | Illinois |
| 14 | Josephine B Nilles | 56 | Wife | — | Illinois |
| 15 | Dorothy A Nilles | 21 | Daughter | — | Illinois |
| 16 | Arthur Zinke | 56 | Head | Salesman | Carolina |
| 17 | Frankie M Zinke | 56 | Wife | — | Ohio |
| 18 | William W Zinke | 26 | Son | Sign Painter | Carolina |
| 19 | Minnie Zinke | 57 | Sister | Proprietor | Carolina |
| 20 | Alexander Hope | 32 | Lodger | Foreman | Carolina |
| 21 | Dorothy G Hope | 26 | Wife | — | Carolina |
| 22 | Dorothy Hope | 5 | Daughter | — | Illinois |
| 23 | Gilbert Garski | 32 | Lodger | Sales & Production | Wisconsin |
| 24 | Madeline Garski | 35 | Wife | Waitress | Wisconsin |
| 25 | Edwin Bensing | 27 | Lodger | Mail Clerk | Missouri |
| 26 | John Rehalach | 27 | Lodger | Cashier | Illinois |
| 27 | Velma Obermann | 17 | Lodger | Stenographer | Missouri |
| 28 | John J Butler | 42 | Head | Salesman | Illinois |
| 29 | Mary E Butler | 40 | Wife | — | Illinois |
| 30 | Mary P Butler | 18 | Daughter | — | Illinois |
| 31 | Margaret E Butler THIS PERSON | 16 | Daughter | — | Illinois |
| 32 | Priscilla E Butler | 11 | Daughter | — | Illinois |
| 33 | John J Butler | 10 | Son | — | Illinois |
| 34 | James M Butler | 8 | Son | — | Illinois |
| 35 | Jerome R Butler | 6 | Son | — | Illinois |
| 36 | Phylis Butler | 2 | Daughter | — | Illinois |
| 37 | Rex Shriver | 53 | Head | Manager | Iowa |
| 38 | Linnie E Shriver | 47 | Wife | — | Iowa |
| 39 | Jean Shriver | 20 | Daughter | Audit Clerk | Iowa |
| 40 | Lois Shriver | 14 | Daughter | — | Iowa |
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)