WB
William Bradford — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this William Bradford across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1906), then head of a 7-person household.
Age 34
b. ~1906
Male
Son
Born: Kentucky
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Bradford |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Separated |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | porter |
| Industry | tobacco factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Porter |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1906 |
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 |
|---|---|---|---|---|
| Marguerite Green | Daughter | — | 8 | ~1932 |
| Gabe Bradford | Head | — | 63 | ~1877 |
| William Bradford | Son | — | 34 | ~1906 |
| Harold Bradford | Son | — | 24 | ~1916 |
| Edward Bradford | Son | — | 22 | ~1918 |
| Jemima Bradford | Spouse | — | 63 | ~1877 |
| Gabe Bradford | Son | — | 32 | ~1908 |
Census Appearances
1930
Jefferson, Kentucky
Son, age 24
Jefferson, Kentucky · implied b. ~1906 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bradford |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Son, age 34
Jefferson-County, Kentucky · implied b. ~1906 — 7 household members
| Surname | Bradford |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Separated |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | porter |
| Industry | tobacco factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Bradford across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Bradford
Son · 1940 · age 34 · b. ~1906 · Kentucky
★ You are viewing this record
Sibling
Harold Bradford
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerite Green
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Bradford
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gabe Bradford
Sibling · 1940 · age 32
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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01373-00052)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nellie Murphy | 34 | Wife | Presser | Alabama |
| 2 | Lee Henderson | 54 | Lodger | Hauler | Kentucky |
| 3 | Lee Grant | 57 | Head | Hauler | Kentucky |
| 4 | Mildred Grant | 46 | Wife | — | Kentucky |
| 5 | David Steward | 40 | Head | Moulder'S Helper | Kentucky |
| 6 | Jennie Steward | 29 | Wife | Presser | Kentucky |
| 7 | Ivory Davis | 43 | Head | Janitor | Kentucky |
| 8 | William Stowers | 64 | Head | Laborer | Tennessee |
| 9 | Manda Stowers | 36 | Wife | — | Kentucky |
| 10 | Gabe Bradford | 63 | Head | — | Kentucky |
| 11 | Jemima Bradford | 63 | Wife | — | Kentucky |
| 12 | William Bradford THIS PERSON | 34 | Son | Porter | Kentucky |
| 13 | Gabe Bradford | 32 | Son | Porter | Kentucky |
| 14 | Harold M. Bradford | 24 | Son | Porter | Kentucky |
| 15 | Edward T. Bradford | 22 | Son | — | Kentucky |
| 16 | Marguerite Green | 8 | Daughter | — | Kentucky |
| 17 | James Sumter | 57 | Head | Laborer | South Carolina |
| 18 | Hattie Sumter | 47 | Wife | — | Tennessee |
| 19 | James Sumter | 21 | Son | — | Kentucky |
| 20 | Edward Sumter | 18 | Son | — | Kentucky |
| 21 | James W. Harris | 57 | Head | Laborer | Tennessee |
| 22 | Lillie Harris | 50 | Wife | — | Kentucky |
| 23 | Arthur Childress | 50 | Head | Janitor | Kentucky |
| 24 | Carrie Childress | 50 | Wife | — | Kentucky |
| 25 | Arthur Childress | 13 | Son | — | Kentucky |
| 26 | Christopher Childress | 10 | Son | — | Kentucky |
| 27 | Leon Childress | 8 | Son | — | Kentucky |
| 28 | Walter Parham | 46 | Head | Grinder | Kentucky |
| 29 | Lucile Parham | 40 | Wife | — | Florida |
| 30 | Blema V. Baker | 17 | Step-daughter | — | Kentucky |
| 31 | Whitney Smith | 68 | Head | Hauler | Tennessee |
| 32 | Willie Smith | 59 | Wife | Domestic Work | Tennessee |
| 33 | Hattie Young | 64 | Head | Cook | Kentucky |
| 34 | Florence Keyes | 40 | Sister | Domestic Work | Kentucky |
| 35 | Solomon Banks | 24 | Nephew | Porter | Kentucky |
| 36 | James Smith | 22 | Nephew | Shoe Shiner | Kentucky |
| 37 | Louis Brooks | 42 | Head | — | Kentucky |
| 38 | Lizzie Brooks | 48 | Wife | — | Kentucky |
| 39 | Henrietta Harris | 24 | Head | Domestic Work | Kentucky |
| 40 | Harris | 4 | Son | — | Kentucky |
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)