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Joseph Butler — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Joseph Butler across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents William & Nellie — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Butler |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Abstract Maker |
| Industry | Recorder's Office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2500 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Abstract Maker |
| Township / Ward | Chicago |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joan Butler | Daughter | — | 5 | ~1935 |
| Joseph Butler | Head | — | 31 | ~1909 |
| Robert O'Donnell | Other | — | 11 | ~1929 |
| Mary Butler | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 21
Cook, Illinois · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Salesman |
| Industry | Radio |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 31
Cook-County, Illinois · implied b. ~1909 — 4 household members
| Surname | Butler |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Abstract Maker |
| Industry | Recorder's Office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2500 |
| Highest Grade | C 5 |
| 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 Joseph Butler across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Butler (~0.92 confidence) and mother Nellie Butler (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Butler
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Nellie Butler
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Butler
Head · 1940 · age 31 · b. ~1909 · Illinois
★ You are viewing this record
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
22 people indexed on this census page (nara:1940:m-t0627-00982-00214)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Cole | 8 | Son | — | Illinois |
| 2 | Joseph Courtney | 24 | Lodger | Salesbury | Illinois |
| 3 | Herman Richmond | 35 | Head | Chauffeur | Illinois |
| 4 | Bernice Richmond | 29 | Wife | — | Illinois |
| 5 | William Waldron | 35 | Head | Chauffeur | Illinois |
| 6 | Adelaide Waldron | 36 | Wife | — | Illinois |
| 7 | Richard Waldron | 8 | Son | — | Illinois |
| 8 | Francis Scott | 30 | Head | Rev. Cleric | Ohio |
| 9 | Margaret Scott | 27 | Wife | — | Illinois |
| 10 | Robert Scott | 5 | Son | — | Illinois |
| 11 | Ronald Scott | 0 | Son | — | Illinois |
| 12 | John Wutton | 55 | Head | Painter | Iowa |
| 13 | Amanda Wutton | 42 | Wife | Grocery Clerk | Missouri |
| 14 | Elizabeth Farrell | 56 | Head | Correspondent | Illinois |
| 15 | Joseph Butler THIS PERSON | 31 | Head | Abstract Maker | Illinois |
| 16 | Mary Butler | 29 | Wife | — | Illinois |
| 17 | Joan Butler | 5 | Daughter | — | Illinois |
| 18 | Robert O'Donnell | 11 | Cousin | — | Illinois |
| 19 | Raymond Farrell | 27 | Head | Asst. Traffic Manager | Illinois |
| 20 | Leona Murphy | 24 | Boarder | Public Health Nursing | Wisconsin |
| 21 | George Hnatov | 57 | Head | Janitor | Jugo-Slavia |
| 22 | Clara Hnatov | 45 | Wife | — | Jugo-Slavia |
Pedigree Summary
Joseph
Gen 1 · 2 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)