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John Bradley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this John Bradley across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Laura & Leona — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Bradley |
| Given Name | John R. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Laborer |
| Industry | Auto Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Laborer |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1919 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Bradley | Head | — | 46 | ~1894 |
| John Bradley | Son | — | 21 | ~1919 |
| William Bradley | Son | — | 17 | ~1923 |
| Laura Bradley | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Wayne, Michigan
Other, age 1
Wayne, Michigan · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bradley |
| Given Name | John R |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 11
Wayne, Michigan · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bradley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 21
Wayne-County, Michigan · implied b. ~1919 — 4 household members
| Surname | Bradley |
| Given Name | John R. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Laborer |
| Industry | Auto Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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: mother Laura Bradley (~0.92 confidence) and mother Leona Bradley (~0.92 confidence) and father John Bradley (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Laura Bradley
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Leona Bradley
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
John Bradley
b. ~1895
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Bradley
Son · 1940 · age 21 · b. ~1919 · Michigan
★ You are viewing this record
Sibling
William Bradley
Sibling · 1940 · age 17
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01851-00689)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald Fitzsimmons | 7 | Son | — | New York |
| 2 | Edward Wininger | 33 | Head | Truck Driver | Indiana |
| 3 | Mildred Wininger | 30 | Wife | — | Michigan |
| 4 | Janet Wininger | 5 | Daughter | — | Michigan |
| 5 | Francis Blackburn | 32 | Head | Truck Driver | Nebraska |
| 6 | Marie Blackburn | 35 | Wife | — | Penn. |
| 7 | Jeanne Zollinger | 13 | Daughter | — | Penn. |
| 8 | Katherine Musel | 42 | Mother-in-law | Saleswoman | Penn. |
| 9 | John R. Bradley | 46 | Head | Farmer | Michigan |
| 10 | Laura Bradley | 48 | Wife | — | Michigan |
| 11 | John R. Jr. Bradley THIS PERSON | 21 | Son | Laborer | Michigan |
| 12 | William Bradley | 17 | Son | Laborer | Michigan |
| 13 | William Bradley | 46 | Head | Investigator | Michigan |
| 14 | Edwina Bradley | 44 | Wife | — | Michigan |
| 15 | Margaret Bradley | 20 | Daughter | Stenographer | Michigan |
| 16 | Rose Mary Bradley | 15 | Daughter | — | Michigan |
| 17 | Henry J. O. Hoffman | 50 | Head | Motorman | Virginia |
| 18 | Bertha Hoffman | 47 | Wife | — | Virginia |
| 19 | Raymond Hoffman | 22 | Son | Spring Inspector | Virginia |
| 20 | Lorraine Hoffman | 10 | Daughter | — | Michigan |
| 21 | George J. Schumacher | 40 | Head | Salesman | Michigan |
| 22 | Martha Schumacher | 40 | Wife | — | Ohio |
| 23 | Frederick Reels | 22 | Head | 104 | Michigan |
| 24 | Winifred Reels | 19 | Wife | — | Michigan |
| 25 | Frederick Reels | 1 | Son | 0 | Michigan |
| 26 | Everett Edwards | 33 | Head | Truck Driver | Kentucky |
| 27 | Ernestine Edwards | 28 | Wife | 44 | Kentucky |
| 28 | Edward Fitzgerald | 26 | Head | Attendant | Illinois |
| 29 | Helen Fitzgerald | 26 | Wife | Stenographer | Michigan |
| 30 | Anthony Lapiersa | 26 | Head | Baker | Michigan |
| 31 | Mary Lapiersa | 26 | Wife | — | Ohio |
| 32 | Herbert H. Dewey | 22 | Head | Machinist | Michigan |
| 33 | Lucille E. Dewey | 19 | Wife | — | Michigan |
| 34 | Elmer Phillips | 45 | Head | Proprietor | New York |
| 35 | Theresa Phillips | 48 | Wife | Machine Op. | Canada |
| 36 | Lillian Allan | 23 | Sister-in-law | — | Michigan |
| 37 | Jay Corwin | 45 | Head | Tool Designer | Michigan |
| 38 | Ada Corwin | 47 | Wife | — | Michigan |
| 39 | Wayne Corwin | 22 | Son | Machinist | Michigan |
| 40 | Clarence Rathburn | 36 | Head | Batch Mixer | Michigan |
Pedigree Summary
John + 1 sibling
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)