WB
William Butler — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Butler across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Edward & Mary — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Butler |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Time Keeper |
| Industry | Steel Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Time Keeper |
| Township / Ward | Chicago |
| Est. Birth Year | ~1918 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Marilyn Butler | Daughter | — | 4 | ~1936 |
| Lucille Butler | Daughter | — | 13 | ~1927 |
| Margaret Butler | Daughter | — | 20 | ~1920 |
| Mabel Butler | Daughter | — | ~1940 | |
| William Butler | Head | — | 43 | ~1897 |
| William Butler | Son | — | 22 | ~1918 |
| Mabel Butler | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1918 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Mother Tongue | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 22
Cook-County, Illinois · implied b. ~1918 — 7 household members
| Surname | Butler |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Time Keeper |
| Industry | Steel Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | Hs 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 William Butler across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Meisenbach (~0.92 confidence) and mother Mary Meisenbach (~0.92 confidence) and father William Butler (~0.92 confidence) and father William Butler (~0.92 confidence) and mother Mabel Butler (~0.92 confidence) and mother Mabel Butler (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Meisenbach
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mary Meisenbach
b. ~1870
Source mother
● Household
· direct · ~0.92
Father
William Butler
b. ~1896
Source father
● Household
· direct · ~0.92
Father
William Butler
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Mabel Butler
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Mabel Butler
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Butler
Son · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Margaret Butler
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Butler
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Butler
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marilyn Butler
Sibling · 1940 · age 4
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-t0627-00942-00547)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bertha Rubbaty | 62 | Wife | — | Ohio |
| 42 | Fern Rubbaty | 28 | Daughter | File Clerk | Illinois |
| 43 | Block 8-An Ending | None | n | April 8-1940 | Block 13 |
| 44 | Henry Kalb | 33 | Head | Police Officer | Illinois |
| 45 | Agnes Kalb | 31 | Wife | — | Illinois |
| 46 | Donald Henry Kalb | 5 | Son | — | Illinois |
| 47 | Mary Ann Kalb | 2 | Daughter | — | Illinois |
| 48 | Mary Mesenbach | 71 | Head | — | Illinois |
| 49 | Lawrence Mesenbach | 35 | Son | General Loading | Illinois |
| 50 | George Gitter | 44 | Head | Folding Table Operator | Illinois |
| 51 | Lillian Gitter | 40 | Wife | — | Illinois |
| 52 | Delores Gitter | 8 | Daughter | — | Illinois |
| 53 | Mary Ann Gitter | 4 | Daughter | — | Illinois |
| 54 | William Butler | 43 | Head | Fireman | Illinois |
| 55 | Mabel Butler | 42 | Wife | — | Illinois |
| 56 | William Jr Butler THIS PERSON | 22 | Son | Time Keeper | Illinois |
| 57 | Margaret Butler | 20 | Daughter | Typist | Illinois |
| 58 | Lucille Butler | 13 | Daughter | Factory Work | Illinois |
| 59 | Marilyn Butler | 4 | Daughter | — | Illinois |
| 60 | Mabel Marie Butler | 0 | Daughter | — | Illinois |
| 61 | James Merrigan | 49 | Head | Electrician | Alabama |
| 62 | Marie Merrigan | 44 | Wife | — | France |
| 63 | Margaret Mary Merrigan | 1 | Daughter | — | Illinois |
| 64 | Charles Felt | 50 | Head | Rigger | Illinois |
| 65 | Martha Felt | 43 | Wife | — | Illinois |
| 66 | Lillian Felt | 14 | Daughter | — | Illinois |
| 67 | Charles Jr Felt | 10 | Son | — | Illinois |
| 68 | Ernest Rockstroh | 53 | Head | Crane Operator | Germany |
| 69 | Jennie Rockstroh | 44 | Wife | — | Sweden |
| 70 | John Druga | 55 | Head | Car Builder | Austria |
| 71 | Anna Druga | 47 | Wife | — | Austria |
| 72 | Andrew Druga | 26 | Son | Laborer | Illinois |
| 73 | Margaret Druga | 24 | Daughter | Factory Work | Illinois |
| 74 | Irene Druga | 19 | Daughter | New Worker | Illinois |
| 75 | Elmer Druga | 17 | Son | — | Illinois |
| 76 | Vanna Druga | 5 | Daughter | — | Illinois |
| 77 | Peter Oster | 25 | Head | Wire Helper | Illinois |
| 78 | Antonette Oster | 21 | Wife | Bindery Work | Illinois |
| 79 | Thomas J. O'Connor | 47 | Head | Electrician Helper | Illinois |
| 80 | Mayme O'Connor | 46 | Wife | — | Illinois |
Pedigree Summary
William + 4 siblings
Gen 1 · 6 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)