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William Brock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Kentucky
Our Model Tree links this William Brock across the 1930 and 1940 US Censuses in Madison-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Kentucky |
| Surname | Brock |
| Given Name | William David |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist # 3 |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | delivery boy |
| Industry | retail grocery |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 315 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Delivery Boy |
| Township / Ward | Mag Dist 3 |
| Est. Birth Year | ~1921 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Willard Brock | Son | — | 2 | ~1938 |
| Elizabeth Brock | Spouse | — | 33 | ~1907 |
| Charles Brock | Son | — | 18 | ~1922 |
| Mildred Brock | Daughter | — | 15 | ~1925 |
| David Brock | Head | — | 40 | ~1900 |
| Taylor Brock | Son | — | 11 | ~1929 |
| William Brock | Son | — | 19 | ~1921 |
| Loraine Brock | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Madison, Kentucky
Son, age 9
Madison, Kentucky · implied b. ~1921 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brock |
| Given Name | William D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Madison-County, Kentucky
Son, age 19
Madison-County, Kentucky · implied b. ~1921 — 8 household members
| Surname | Brock |
| Given Name | William David |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist # 3 |
| 1935 Residence (County) | Madison |
| Occupation | delivery boy |
| Industry | retail grocery |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 315 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| 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 Brock across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Brock
Son · 1940 · age 19 · b. ~1921 · Kentucky
★ You are viewing this record
Sibling
Charles Brock
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Taylor Brock
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loraine Brock
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willard Brock
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Brock
Sibling · 1940 · age 15
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 — Madison-County, Kentucky
Open full size
1940 US Federal Census — Madison-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01337-00208)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Lester Penn | 1 | son | — | Kentucky |
| 42 | Margaret Louise Penn | 0 | daughter | — | Kentucky |
| 43 | George H Roland | 65 | Head | Farmer | Kentucky |
| 44 | Kathern G Roland | 57 | wife | House Wife | Kentucky |
| 45 | Milton Green | 72 | Brotherinlaw | Laborer | Kentucky |
| 46 | Linda Asbill | 80 | Head | House Wife | Kentucky |
| 47 | Walter Reams | 32 | Head | Farmer | Kentucky |
| 48 | Elva Reams | 22 | wife | House Wife | Kentucky |
| 49 | Jake Wilburn Reams | 13 | son | — | Kentucky |
| 50 | Walter Jr. Reams | 11 | son | — | Kentucky |
| 51 | Jean Marie Reams | 8 | daughter | — | Kentucky |
| 52 | James Donald Reams | 6 | son | — | Kentucky |
| 53 | Joe Carrolton Reams | 4 | son | — | Kentucky |
| 54 | Barbara Dean Reams | 2 | daughter | — | Kentucky |
| 55 | Charlie Wade Reams | 2 | son | — | Kentucky |
| 56 | Carter L Quillen | 31 | Head | Laborer | Virginia |
| 57 | Irene Quillen | 24 | wife | Home Wife | Kentucky |
| 58 | Lillian Quillen | 5 | daughter | — | Kentucky |
| 59 | Rachel Quillen | 2 | daughter | — | Kentucky |
| 60 | Lyman Lipscomb | 27 | Head | Section Hand | Kentucky |
| 61 | Loraine Lipscomb | 19 | wife | House Wife | Kentucky |
| 62 | Mary Allene Lipscomb | 1 | daughter | — | Kentucky |
| 63 | Morris Warner | 23 | Brotherinlaw | Laborer | Kentucky |
| 64 | David Brock | 40 | Head | Laborer | Kentucky |
| 65 | Elizabeth Brock | 33 | wife | Housewife | Kentucky |
| 66 | William David Brock THIS PERSON | 19 | son | Delivery Boy | Kentucky |
| 67 | Charles Brock | 18 | son | Laborer | Kentucky |
| 68 | Mildred Irene Brock | 15 | daughter | Home Work | Kentucky |
| 69 | Taylor Brock | 11 | son | — | Kentucky |
| 70 | Loraine Brock | 5 | daughter | — | Kentucky |
| 71 | Willard Brock | 2 | son | — | Kentucky |
| 72 | Van Hoskins | 56 | Head | Laborer | Kentucky |
| 73 | Clayborn Hoskins | 20 | son | Laborer | Kentucky |
| 74 | Raymond Hoskins | 18 | son | Laborer | Kentucky |
| 75 | James Hoskins | 14 | son | House Work | Kentucky |
| 76 | Billy Earl Hoskins | 12 | son | — | Kentucky |
| 77 | Illia Hoskins | 9 | daughter | — | Kentucky |
| 78 | June Hoskins | 6 | daughter | — | Kentucky |
| 79 | Helen Hoskins | 4 | daughter | — | Kentucky |
| 80 | Jack Prewitt | 41 | Head | Section Hand | 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)