TC
Thomas Cox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Chesterfield-County, Virginia
Our Model Tree links this Thomas Cox across the 1920, 1930 and 1940 US Censuses in Chesterfield-County, Virginia (XGBoost, ~Confirmed), with identified parents Oliver & Ada — first a head (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Chesterfield-County, Virginia |
| Surname | Cox |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Bermuda |
| 1935 Residence (County) | Chesterfield |
| Additional Details | |
| Occupation | Chemist |
| Industry | Chemical Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Chemist |
| Township / Ward | Bermuda |
| Est. Birth Year | ~1908 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Cox | Daughter | — | 1 | ~1939 |
| Evelyn Cox | Spouse | — | 27 | ~1913 |
| Thomas Cox | Head | — | 32 | ~1908 |
Census Appearances
1920
Chesterfield, Virginia
Son, age 12
Chesterfield, Virginia · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Thomas B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Chesterfield, Virginia
Son, age 20
Chesterfield, Virginia · implied b. ~1910 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Laborer |
| Industry | Saw Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Chesterfield-County, Virginia
Head, age 32
Chesterfield-County, Virginia · implied b. ~1908 — 3 household members
| Surname | Cox |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Bermuda |
| 1935 Residence (County) | Chesterfield |
| Occupation | Chemist |
| Industry | Chemical Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | H 4 |
| 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 Thomas Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Oliver Cox (~0.92 confidence) and mother Ada Cox (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oliver Cox
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Ada Cox
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Cox
Head · 1940 · age 32 · b. ~1908 · Virginia
★ 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 — Chesterfield-County, Virginia
Open full size
1940 US Federal Census — Chesterfield-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04255-00126)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clara Rudolph | 26 | Wife | — | Virginia |
| 2 | George Jr. Rudolph | 2 | Son | — | Virginia |
| 3 | Benny Cox | 40 | Head | Farmer | Virginia |
| 4 | Ada Rebecca Cox | 67 | Mother | — | Virginia |
| 5 | Ada L. Berry | 42 | Sister | — | Virginia |
| 6 | Shirley L. Berry | 17 | Niece | — | Virginia |
| 7 | Thomas L. Berry | 15 | Nephew | — | Virginia |
| 8 | Elizabeth Berry | 10 | Niece | — | Virginia |
| 9 | Thomas Cox THIS PERSON | 32 | Head | Chemist | Virginia |
| 10 | Evelyn Cox | 27 | Wife | — | Maryland |
| 11 | Evelyn Rebecca Cox | 1 | Daughter | — | Virginia |
| 12 | Ray Berryhill | 51 | Head | Electrician | Nebraska |
| 13 | Ruby Berryhill | 48 | Wife | — | Illinois |
| 14 | Rex Dee Berryhill | 16 | Daughter | — | Virginia |
| 15 | Bobby Berryhill | 6 | Son | — | Virginia |
| 16 | Ruby Berryhill | 4 | Daughter | — | Virginia |
| 17 | Marjorie Eyler | 19 | Daughter | — | Virginia |
| 18 | Thomas Eyler | 22 | Son-in-law | Operator | Virginia |
| 19 | Marjorie A. Eyler | 0 | Granddaughter | — | Virginia |
| 20 | Glenn Wellington | 2 | Boarder | — | Virginia |
| 21 | Anna M. Owen | 68 | Head | — | Pennsylvania |
| 22 | Ruth Avent | 42 | Daughter | — | Virginia |
| 23 | Fred M. Forget | 32 | Lodger | Sales Mgr. | Pennsylvania |
| 24 | Frances Forget | 29 | Lodger | — | Ohio |
| 25 | Fred Jr. Forget | 5 | Lodger | — | Ohio |
| 26 | Theodore Forget | 4 | Lodger | — | Ohio |
| 27 | Claude L. Maile | 41 | Head | Shipping Clerk | Virginia |
| 28 | Jessie Maile | 44 | Wife | — | Virginia |
| 29 | David Maile | 20 | Son | Operator | Virginia |
| 30 | Claude Jr. Maile | 19 | Son | — | Virginia |
| 31 | John Maile | 13 | Son | — | Virginia |
| 32 | Grover E. Tyree | 56 | Head | Operator | Virginia |
| 33 | Mattie B. Tyree | 46 | Wife | — | Virginia |
| 34 | Major Dup Tyree | 25 | Son | Farm Hand | Virginia |
| 35 | William Kidd | 33 | Head | Operator | N. Carolina |
| 36 | Beulah Kidd | 26 | Wife | Knitter | Virginia |
| 37 | William Jr. Kidd | 3 | Son | — | Virginia |
| 38 | William F. James | 57 | Head | Farmer | Virginia |
| 39 | Leona James | 66 | Wife | — | Kansas |
| 40 | Woodrow James | 26 | Son | Operator | Virginia |
Pedigree Summary
Thomas
Gen 1 · 2 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)