WB
William Brock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clarke-County, Mississippi
Our Model Tree links this William Brock across the 1930 and 1940 US Censuses in Clarke-County, Mississippi (XGBoost, ~Confirmed) — first a head (b.~1900), then head of a 6-person household.
Age 40
b. ~1900
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clarke-County, Mississippi |
| Surname | Brock |
| Given Name | William R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Beat 4, Energy |
| 1935 Residence (County) | Clarke |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Beat 4 Energy |
| Est. Birth Year | ~1900 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Brock | Head | — | 40 | ~1900 |
| Bobby Brock | Son | — | 7 | ~1933 |
| Ida Brock | Spouse | — | 35 | ~1905 |
| John Brock | Son | — | 16 | ~1924 |
| Marie Brock | Daughter | — | 11 | ~1929 |
| Lucile Brock | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Clarke, Mississippi
Head, age 30
Clarke, Mississippi · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brock |
| Given Name | William R |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 22 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | no |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Clarke-County, Mississippi
Head, age 40
Clarke-County, Mississippi · implied b. ~1900 — 6 household members
| Surname | Brock |
| Given Name | William R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Beat 4, Energy |
| 1935 Residence (County) | Clarke |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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
Head · 1940 · age 40 · b. ~1900 · Mississippi
★ 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 — Clarke-County, Mississippi
Open full size
1940 US Federal Census — Clarke-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02015-00463)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J W Boutwell | 65 | Head | Farmer | Alabama |
| 2 | Ida E Boutwell | 54 | Wife | Housework | Mississippi |
| 3 | Leon Boutwell | 19 | Son | Farmer | Mississippi |
| 4 | Steve Boutwell | 62 | Head | Farmer | Mississippi |
| 5 | Coleman Boutwell | 29 | Son | Farmer | Mississippi |
| 6 | Earnest Boutwell | 25 | Son | Farmer | Mississippi |
| 7 | Lela Boutwell | 52 | Sister | Housework | Mississippi |
| 8 | Elizabeth B Boutwell | 85 | Mother | — | Alabama |
| 9 | Ophelia Williams | 70 | Head | Housework | Mississippi |
| 10 | Nancy Yandell | 63 | Sister | Housework | Mississippi |
| 11 | William R Brock THIS PERSON | 40 | Head | — | Alabama |
| 12 | Ida S Brock | 35 | Wife | Housework | Alabama |
| 13 | John B Brock | 16 | Son | Farmer | Mississippi |
| 14 | Lucile Brock | 14 | Daughter | — | Mississippi |
| 15 | Marie Brock | 11 | Daughter | — | Mississippi |
| 16 | Bobby J Brock | 7 | Son | — | Mississippi |
| 17 | John Neal | 65 | Head | Farmer | Alabama |
| 18 | Robert Fuller | 69 | Head | Farmer | Alabama |
| 19 | Lizzie Fuller | 64 | Wife | Housework | Mississippi |
| 20 | Wesley Fuller | 32 | Son | Farmer | Mississippi |
| 21 | Kitty Reynolds | 67 | Head | Housework | Mississippi |
| 22 | Ilora Reynolds | 42 | Daughter | Housework | Mississippi |
| 23 | Cloudie L Reynolds | 40 | Daughter | Housework | Mississippi |
| 24 | Edmond Reynolds | 28 | Head | Farmer | Mississippi |
| 25 | Euda Reynolds | 26 | Wife | Housework | Mississippi |
| 26 | Billy W Reynolds | 3 | Son | — | Mississippi |
| 27 | Jim T Thornhill | 60 | Head | Farmer | Mississippi |
| 28 | Callie Thornhill | 34 | Daughter | Teacher | Mississippi |
| 29 | Adie Thornhill | 26 | Son | Farmer | Mississippi |
| 30 | Walter M Smith | 55 | Head | Farmer | Mississippi |
| 31 | Della Smith | 42 | Wife | Housework | Mississippi |
| 32 | Elsie Smith | 18 | Daughter | Housework | Mississippi |
| 33 | Elson Smith | 17 | Daughter | Housework | Mississippi |
| 34 | Howard Smith | 15 | Son | — | Mississippi |
| 35 | Ola Smith | 13 | Daughter | — | Mississippi |
| 36 | Wilburn Smith | 12 | Son | — | Mississippi |
| 37 | Marie Smith | 10 | Daughter | — | Mississippi |
| 38 | Gladys M Smith | 8 | Daughter | — | Mississippi |
| 39 | Evelyn Smith | 6 | Son | — | Mississippi |
| 40 | Leland Smith | 3 | Son | — | Mississippi |
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)