JT
John Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Chesterfield-County, Virginia
Our Model Tree links this John Thomas across the 1920, 1930 and 1940 US Censuses in Chesterfield-County, Virginia (XGBoost, ~Confirmed), with identified parents Ida — first a head (b.~1906), then head of a 9-person household.
Age 34
b. ~1906
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Chesterfield-County, Virginia |
| Surname | Thomas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Chesterfield |
| Additional Details | |
| Occupation | Section Laborer |
| Industry | Steam Railway |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | No 5 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Section Laborer |
| Township / Ward | Matoaca Dist |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Thomas | Daughter | — | 8 | ~1932 |
| Dorothy Thomas | Daughter | — | 10 | ~1930 |
| Alice Thomas | Daughter | — | 5 | ~1935 |
| Ernestine Thomas | Daughter | — | 6 | ~1934 |
| John Thomas | Head | — | 34 | ~1906 |
| John Thomas | Son | — | 4 | ~1936 |
| Robert Thomas | Son | — | 11 | ~1929 |
| James Thomas | Son | — | 2 | ~1938 |
| Dorothy Thomas | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Chesterfield, Virginia
Son, age 16
Chesterfield, Virginia · implied b. ~1904 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| 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
Head, age 25
Chesterfield, Virginia · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 23 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Section hand |
| Industry | N. & W. R.R. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 8 |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Chesterfield-County, Virginia
Head, age 34
Chesterfield-County, Virginia · implied b. ~1906 — 9 household members
| Surname | Thomas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Chesterfield |
| Occupation | Section Laborer |
| Industry | Steam Railway |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | No 5 |
| 1935 Residence | Virginia |
| 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 John Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ida Thomas (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ida Thomas
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Thomas
Head · 1940 · age 34 · b. ~1906 · 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
35 people indexed on this census page (nara:1940:m-t0627-04255-00715)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William A Robinson | 57 | Head | Laborer | Virginia |
| 42 | Ruby Robinson | 30 | Wife | Housework | Virginia |
| 43 | Ruby S Robinson | 5 | Daughter | — | Virginia |
| 44 | John H Watson | 39 | Head | Truck Driver | Virginia |
| 45 | Bessie W Watson | 40 | Wife | Housewife | North Carolina |
| 46 | Louis Schrum | 14 | Nephew | — | Virginia |
| 47 | Benjamin F. Schenck | 54 | Head | City Mail Carrier | Virginia |
| 48 | Edith Schenck | 58 | Wife | Housewife | Virginia |
| 49 | Flora L Lunsford | 24 | Daughter | Feeder | Virginia |
| 50 | Minnie Schenck | 26 | Daughter | Seamstress | Virginia |
| 51 | Bennie Schenck | 22 | Son | Truck Driver | Virginia |
| 52 | Mildred Schenck | 18 | Daughter | Housewife | Virginia |
| 53 | Lois Schenck | 14 | Daughter | Housewife | Virginia |
| 54 | Helen Lunsford | 3 | Daughter | — | Virginia |
| 55 | John Evans | 33 | Head | Auto Washer | Virginia |
| 56 | Inez Evans | 29 | Wife | Housewife | Virginia |
| 57 | Sybil Evans | 10 | Son | — | Virginia |
| 58 | Christine Evans | 8 | Daughter | — | Virginia |
| 59 | John Jr. Evans | 7 | Son | — | Virginia |
| 60 | Ray Evans | 3 | Daughter | — | Virginia |
| 61 | Herbert Routson | 40 | Head | Section Laborer | Virginia |
| 62 | Helen Routson | 35 | Wife | Housewife | Virginia |
| 63 | Constance Routson | 10 | Daughter | — | Virginia |
| 64 | Zelma Routson | 7 | Daughter | — | Virginia |
| 70 | John Thomas THIS PERSON | 34 | Head | Section Laborer | Virginia |
| 71 | Dorothy Thomas | 31 | Wife | Housewife | Virginia |
| 72 | Robert Thomas | 11 | Son | — | Virginia |
| 73 | Dorothy Thomas | 10 | Daughter | — | Virginia |
| 74 | Mary Thomas | 8 | Daughter | — | Virginia |
| 75 | Ernestine Thomas | 6 | Daughter | — | Virginia |
| 76 | Alice Thomas | 5 | Daughter | — | Virginia |
| 77 | John Thomas | 4 | Son | — | Virginia |
| 78 | James Thomas | 2 | Son | — | Virginia |
| 79 | Morris B. Rose | 28 | Head | Registered Druggist | Virginia |
| 80 | Phillip E Hammond | 32 | Lodger | Foreman | Virginia |
Pedigree Summary
John
Gen 1 · 1 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)