JB
John Bradley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Perry-County, Illinois
Our Model Tree links this John Bradley across the 1920, 1930 and 1940 US Censuses in Perry-County, Illinois (XGBoost, ~Confirmed), with identified parents George & Dallie — first a head (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Perry-County, Illinois |
| Surname | Bradley |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Willisville Village |
| 1935 Residence (County) | Perry |
| Additional Details | |
| Occupation | Laborer |
| Industry | W.P.A. Road Project |
| Class of Worker | GW |
| Hours Worked | 216 |
| Income (1939) | 400 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Willisville Village |
| Est. Birth Year | ~1911 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Joan Bradley | Daughter | — | 1 | ~1939 |
| Ruth Bradley | Daughter | — | 2 | ~1938 |
| John Bradley | Head | — | 29 | ~1911 |
| Donald Bradley | Son | — | 4 | ~1936 |
| Bessie Bradley | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Perry, Illinois
Son, age 9
Perry, Illinois · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bradley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Perry, Illinois
Son, age 19
Perry, Illinois · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bradley |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Perry-County, Illinois
Head, age 29
Perry-County, Illinois · implied b. ~1911 — 5 household members
| Surname | Bradley |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Willisville Village |
| 1935 Residence (County) | Perry |
| Occupation | Laborer |
| Industry | W.P.A. Road Project |
| Class of Worker | GW |
| Hours Worked | 216 |
| Income (1939) | 400 |
| Highest Grade | H-2 |
| 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 John Bradley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Bradley (~0.92 confidence) and mother Dallie Bradley (~0.92 confidence) and mother Bradley Bradley (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Bradley
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Dallie Bradley
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Bradley Bradley
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Bradley
Head · 1940 · age 29 · b. ~1911 · 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 — Perry-County, Illinois
Open full size
1940 US Federal Census — Perry-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00866-00562)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lou Signor | 24 | Son | Laborer | Illinois |
| 2 | Margaret Signor | 16 | Daughter | Typist | Illinois |
| 3 | Bobby Signor | 12 | Son | — | Illinois |
| 5 | Alva Mathis | 50 | Head | Instructor | Illinois |
| 6 | Irma Mathis | 47 | Wife | — | Illinois |
| 7 | Edgar Mathis | 18 | Son | New Worker | Illinois |
| 8 | Clarence A Mathis | 15 | Son | — | Illinois |
| 9 | Nannie Wydeck | 83 | Head | — | Tenn |
| 10 | Sam Wydeck | 45 | Son | Janitor | Illinois |
| 11 | Albert Cima | 63 | Head | Helper | Italy |
| 12 | Ella Nora Cima | 32 | Wife | — | Illinois |
| 13 | Norma Rosalee Cima | 3 | Daughter | — | Illinois |
| 14 | Albert Ronald Cima | 2 | Son | — | Illinois |
| 15 | Manford Pybarger | 8 | Step son | — | Illinois |
| 16 | Mary Valerius | 84 | Head | — | Kentucky |
| 17 | George Martinies | 27 | Head | Laborer | Illinois |
| 18 | Edna Martinies | 25 | Wife | — | Illinois |
| 19 | Loretta Martinies | 5 | Daughter | — | Illinois |
| 20 | Andrew Welty | 38 | Head | Laborer | Missouri |
| 21 | Florence Welty | 33 | Wife | — | Illinois |
| 22 | Charles Welty | 13 | Son | — | Illinois |
| 23 | Leroy Welty | 9 | Son | — | Illinois |
| 24 | Oraw Dale Welty | 7 | Son | — | Illinois |
| 25 | Kenneth Welty | 5 | Son | — | Illinois |
| 26 | Eugene Welty | 2 | Son | — | Illinois |
| 27 | John Koen | 50 | Head | Laborer | Illinois |
| 28 | Rebecca Koen | 50 | Wife | — | Illinois |
| 29 | Wilma Koen | 25 | Daughter | — | Illinois |
| 30 | Lester Koen | 17 | Son | New Worker | Illinois |
| 31 | John Bradley THIS PERSON | 29 | Head | Laborer | Illinois |
| 32 | Bessie Bradley | 21 | Wife | — | Illinois |
| 33 | Donald Ray Bradley | 4 | Son | — | Illinois |
| 34 | Ruth Ann Bradley | 2 | Daughter | — | Illinois |
| 35 | Joan Bradley | 1 | Daughter | — | Illinois |
| 36 | Keith Nesbit | 25 | Head | Miner | Illinois |
| 37 | Virginia Nesbit | 21 | Wife | — | Illinois |
| 38 | Barbara Ann Nesbit | 1 | Daughter | — | Illinois |
| 39 | Joe Wolfe | 55 | Head | Miner | Lithuania |
| 40 | Nellie Wolfe | 40 | Wife | — | Lithuania |
Pedigree Summary
John
Gen 1 · 3 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)