JT
John Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Coahoma-County, Mississippi
Our Model Tree links this John Thomas across the 1920, 1930 and 1940 US Censuses in Coahoma-County, Mississippi (XGBoost, ~Confirmed), with identified parents Shack & Polly — first a head (b.~1902), then head of a 4-person household.
Age 38
b. ~1902
Male
Head
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Coahoma-County, Mississippi |
| Surname | Thomas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Bolivar |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 52 |
| Highest Grade | No 6 |
| 1935 Residence | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Farmer |
| Township / Ward | Beat 4 |
| Est. Birth Year | ~1902 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mattie Thomas | Daughter | — | 8 | ~1932 |
| John Thomas | Head | — | 38 | ~1902 |
| Richard Thomas | Son | — | 10 | ~1930 |
| Nancy Thomas | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Coahoma, Mississippi
Son, age 19
Coahoma, Mississippi · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Coahoma, Mississippi
Other, age 28
Coahoma, Mississippi · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | John |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 23 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Laborer |
| Industry | Common |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Coahoma-County, Mississippi
Head, age 38
Coahoma-County, Mississippi · implied b. ~1902 — 4 household members
| Surname | Thomas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Bolivar |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 52 |
| Highest Grade | No 6 |
| 1935 Residence | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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: father Shack Thomas (~0.92 confidence) and mother Polly Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Shack Thomas
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Polly Thomas
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Thomas
Head · 1940 · age 38 · b. ~1902 · 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 — Coahoma-County, Mississippi
Open full size
1940 US Federal Census — Coahoma-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02017-00561)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Armstrong | 44 | Wife | — | Mississippi |
| 42 | James Armstrong | 17 | Son | Farm Laborer | Mississippi |
| 43 | Nathanial Armstrong | 10 | Son | — | Mississippi |
| 44 | Odell Armstrong | 7 | Son | — | Mississippi |
| 45 | Arcola Armstrong | 4 | Daughter | — | Mississippi |
| 46 | Moses Armstrong | 85 | Father | — | Mississippi |
| 47 | Moore Issadena Armstrong | 2 | Granddaughter | — | Mississippi |
| 48 | Ivy Ruffin | 43 | Head | Farmer | Louisiana |
| 49 | Lula Ruffin | 44 | Wife | — | Tennessee |
| 50 | Andrew Ruffin | 14 | Son | Farm Hand | Mississippi |
| 51 | Charlie Ruffin | 12 | Son | — | Mississippi |
| 52 | Lenora Ruffin | 9 | Daughter | — | Mississippi |
| 53 | Emanuel Ruffin | 6 | Son | — | Mississippi |
| 54 | John Ruffin | 20 | Head | Farmer | Louisiana |
| 55 | Lodise Ruffin | 17 | Wife | — | Mississippi |
| 56 | Ira Ruffin | 22 | Head | Farmer | Louisiana |
| 57 | Alice Ruffin | 21 | Wife | — | Mississippi |
| 58 | Ben Morphy | 32 | Head | Farmer | Mississippi |
| 59 | Mattie Lou Morphy | 25 | Wife | — | Mississippi |
| 60 | Rosalee Morphy | 7 | Daughter | — | Mississippi |
| 61 | Tommie English | 32 | Boarder | Farm Hand | Mississippi |
| 62 | Willie Washington | 39 | Head | Farmer | Louisiana |
| 63 | Julia Washington | 33 | Wife | — | Mississippi |
| 64 | Dora Washington | 14 | Daughter | — | Mississippi |
| 65 | Willie Jr Washington | 12 | Son | — | Mississippi |
| 66 | Mattie Mae Washington | 10 | Daughter | — | Mississippi |
| 67 | Lily Washington | 8 | Daughter | — | Mississippi |
| 68 | Ivery Washington | 7 | Son | — | Mississippi |
| 69 | Isabella Washington | 4 | Daughter | — | Mississippi |
| 70 | John Thomas THIS PERSON | 38 | Head | Farmer | Mississippi |
| 71 | Nancy Thomas | 27 | Wife | — | Louisiana |
| 72 | Richard Thomas | 10 | Son | — | Mississippi |
| 73 | Mattie Lee Thomas | 8 | Daughter | — | Mississippi |
| 74 | Robert Grey | 50 | Head | Farmer | Mississippi |
| 75 | Roberta Grey | 34 | Wife | — | Mississippi |
| 76 | Ulys Broom | 24 | Head | Farmer | Mississippi |
| 77 | Ruby Broom | 20 | Wife | — | Mississippi |
| 78 | Eula Mae Broom | 4 | Daughter | — | Mississippi |
| 79 | Ulys Broom | 4 | Son | — | Mississippi |
| 80 | Robert Lee Broom | 2 | Son | — | Mississippi |
Pedigree Summary
John
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)