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William Cobb — 1940 US Census Record
Linked across censuses1940 United States Federal Census · King-George-County, Virginia
Our Model Tree links this William Cobb across the 1930 and 1940 US Censuses in King-George-County, Virginia (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Male
Son
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-George-County, Virginia |
| Surname | Cobb |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Shiloh District |
| 1935 Residence (County) | King George |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same Place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Shiloh District |
| Est. Birth Year | ~1927 |
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 |
|---|---|---|---|---|
| Mary Cobb | Daughter | — | 4 | ~1936 |
| Thomas Cobb | Head | — | 56 | ~1884 |
| Thomas Cobb | Son | — | 15 | ~1925 |
| Rosa Cobb | Daughter | — | 9 | ~1931 |
| Benjamin Cobb | Son | — | 11 | ~1929 |
| Luciel Cobb | Spouse | — | 39 | ~1901 |
| William Cobb | Son | — | 13 | ~1927 |
| Herman Cobb | Son | — | 6 | ~1934 |
Census Appearances
1930
King George, …
Son, age 3
King George, Virginia · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cobb |
| Given Name | William E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
King-George-County, Virginia
Son, age 13
King-George-County, Virginia · implied b. ~1927 — 8 household members
| Surname | Cobb |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Shiloh District |
| 1935 Residence (County) | King George |
| Highest Grade | No 3 |
| 1935 Residence | Same Place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Cobb across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Cobb
Son · 1940 · age 13 · b. ~1927 · Virginia
★ You are viewing this record
Sibling
Herman Cobb
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Cobb
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Cobb
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benjamin Cobb
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Cobb
Sibling · 1940 · age 4
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 — King-George-County, Virginia
Open full size
1940 US Federal Census — King-George-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04272-00142)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Irvin Bruce | 17 | Head | Housework | Virginia |
| 2 | Mary E Bruce | 16 | Daughter | Housework | Virginia |
| 3 | William Bruce | 13 | Son | — | Virginia |
| 4 | Agnes J Pratt | 62 | Head | Housekeeping | Virginia |
| 5 | Rufus C Jackson | 30 | Son | Truck Driver | Virginia |
| 6 | Kate E Lucas | 75 | Head | Housekeeping | Virginia |
| 7 | Charles E Lucas | 20 | Son | Laborer | Virginia |
| 8 | Katherine D Plater | 20 | Daughter | Housework | Virginia |
| 9 | Clara Lucas | 14 | Granddaughter | Housework | Virginia |
| 10 | Evelyn Plater | 5 | Granddaughter | — | Virginia |
| 11 | Alice Allen | 75 | Head | Housekeeping | Virginia |
| 12 | Joseph Taylor | 21 | Grandson | Laborer | Virginia |
| 13 | Herbert Mues | 42 | Head | Farmer | Virginia |
| 14 | Susie Mues | 42 | Wife | Housekeeping | Virginia |
| 15 | Donzella Mues | 23 | Daughter | Housework | Virginia |
| 16 | Emma Mues | 18 | Daughter | Housework | Virginia |
| 17 | Walter Mues | 16 | Son | Laborer | Virginia |
| 18 | Herbert Mues | 11 | Son | — | Virginia |
| 19 | George Mues | 9 | Son | — | Virginia |
| 20 | May Mues | 4 | Daughter | — | Virginia |
| 21 | Thomas R Cobb | 56 | Head | Laborer | Virginia |
| 22 | Luciel Cobb | 39 | Wife | Housekeeping | Virginia |
| 23 | Thomas D Cobb | 15 | Son | Housework | Virginia |
| 24 | William Cobb THIS PERSON | 13 | Son | — | Virginia |
| 25 | Benjamin A Cobb | 11 | Son | — | Virginia |
| 26 | Rosa E Cobb | 9 | Daughter | — | Virginia |
| 27 | Herman F Cobb | 6 | Son | — | Virginia |
| 28 | Mary E Cobb | 4 | Daughter | — | Virginia |
| 29 | Abraham B Lucas | 29 | Head | Labor | Virginia |
| 30 | Addie V Lucas | 26 | Wife | Housekeeping | Virginia |
| 31 | Robert L Lucas | 4 | Son | — | Virginia |
| 32 | Harrison N Lucas | 2 | Son | — | Virginia |
| 33 | Lillie D Lucas | 51 | Head | Nursing | Virginia |
| 34 | Peyton C Lucas | 18 | Son | Laborer | Virginia |
| 35 | Gloria M Lucas | 8 | Daughter | — | Virginia |
| 36 | Eddie Brown | 78 | Head | Farmer | Virginia |
| 37 | Cardover R Peyton | 50 | Head | Farmer | Virginia |
| 38 | Edward S Jennings | 29 | Head | Farmer | Virginia |
| 39 | Dorthy E Jennings | 25 | Wife | Housekeeping | Virginia |
| 40 | Lucas D Jennings | 6 | Son | — | Virginia |
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)