RB
Robert Butler — 1940 US Census Record
Model Tree available1940 United States Federal Census · Tazewell-County, Illinois
Our Model Tree links this Robert Butler across the 1920, 1930 and 1940 US Censuses in Tazewell-County, Illinois (XGBoost, ~Confirmed), with identified parents Harvey & Margaret — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Tazewell-County, Illinois |
| Surname | Butler |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Whittier |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | molder |
| Industry | tractor factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1900 |
| Highest Grade | Hs 4 |
| 1935 Residence | California |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Molder |
| Township / Ward | South Pekin Village |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Butler | Head | — | 28 | ~1912 |
| Ronald Butler | Son | — | 3 | ~1937 |
| Harriett Butler | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Tazewell, Illinois
Son, age 7
Tazewell, Illinois · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Tazewell, Illinois
Son, age 18
Tazewell, Illinois · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Tazewell-County, Illinois
Head, age 28
Tazewell-County, Illinois · implied b. ~1912 — 3 household members
| Surname | Butler |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Whittier |
| 1935 Residence (County) | Los Angeles |
| Occupation | molder |
| Industry | tractor factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1900 |
| Highest Grade | Hs 4 |
| 1935 Residence | California |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Robert Butler across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harvey Butler (~0.92 confidence) and mother Margaret Butler (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harvey Butler
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Margaret Butler
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Butler
Head · 1940 · age 28 · b. ~1912 · 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 — Tazewell-County, Illinois
Open full size
1940 US Federal Census — Tazewell-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00894-00029)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harvey Wilder | 14 | son | — | Illinois |
| 2 | Ida Wilder | 14 | daughter | — | Illinois |
| 3 | Richard Wilder | 7 | son | — | Illinois |
| 4 | Marcus J. Grove | 58 | Head | Painter | Pennsylvania |
| 5 | Jessie Grove | 58 | wife | — | Michigan |
| 6 | Charles W. Hannum | 57 | Head | Conductor | Illinois |
| 7 | Augusta Hannum | 57 | wife | — | Illinois |
| 8 | Charles A. Hohimer | 31 | Head | Machinist Helper | Illinois |
| 9 | Theora Hohimer | 27 | wife | — | Illinois |
| 10 | Billy Hohimer | 9 | son | — | Illinois |
| 11 | Dolores Hohimer | 8 | daughter | — | Illinois |
| 12 | Arlene Kay Hohimer | 1 | daughter | — | Illinois |
| 13 | John Lemon | 46 | Head | Machinist | Illinois |
| 14 | Ada Lemon | 42 | wife | — | Illinois |
| 15 | Rosemary Lemon | 19 | daughter | — | Illinois |
| 16 | Le Roy Clifton | 21 | Head | Laborer | Illinois |
| 17 | Margaret Clifton | 30 | wife | — | Illinois |
| 18 | Clyde Sellers | 31 | Head | Machinist Helper | Illinois |
| 19 | Catherine Sellers | 32 | wife | — | Illinois |
| 20 | Clean Tenox | 23 | Head | Laborer | Missouri |
| 21 | Mardale Tenox | 21 | wife | — | Illinois |
| 22 | Karen Kay Tenox | 1 | daughter | — | Illinois |
| 23 | Ross Sellers | 24 | Head | Laborer | Illinois |
| 24 | Martha Sellers | 17 | wife | — | Illinois |
| 25 | William Lahman | 69 | Head | — | Illinois |
| 26 | Mary Lahman | 58 | wife | — | Illinois |
| 27 | Leonard Ingersoll | 52 | Head | Special Helper | Illinois |
| 28 | Caroline Ingersoll | 43 | wife | Bottling Girl | Wisconsin |
| 29 | William Ingersoll | 12 | son | — | Illinois |
| 30 | Arthur Kastrup | 51 | Head | Locomotive Fireman | Illinois |
| 31 | Mary Kastrup | 46 | wife | — | Missouri |
| 32 | George Hoelzel | 48 | Head | Locomotive Fireman | Germany |
| 33 | Anna Hoelzel | 41 | wife | — | Illinois |
| 34 | Gavin Hoelzel | 16 | son | — | Illinois |
| 35 | Lyle Hoelzel | 15 | son | — | Illinois |
| 36 | Robert H. Butler THIS PERSON | 28 | Head | Molder | Iowa |
| 37 | Harriett Butler | 28 | wife | — | Illinois |
| 38 | Ronald Butler | 3 | son | — | Illinois |
| 39 | John Nance | 36 | Head | Oiler | Illinois |
| 40 | Dorothy Nance | 35 | wife | Bottling Girl | Illinois |
Pedigree Summary
Robert
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)