TS
Thomas Simpson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lauderdale-County, Mississippi
Our Model Tree links this Thomas Simpson across the 1920, 1930 and 1940 US Censuses in Lauderdale-County, Mississippi (XGBoost, ~Confirmed), with identified parents George & Thomas — first a son (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Male
Son
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lauderdale-County, Mississippi |
| Surname | Simpson |
| Given Name | Thomas B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Shreveport |
| 1935 Residence (County) | Caddo |
| Additional Details | |
| Occupation | Doctor |
| Industry | General Practice |
| Class of Worker | OA |
| Hours Worked | 50 |
| Highest Grade | C 4 |
| 1935 Residence | Louisiana |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Doctor |
| Township / Ward | Meridian |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Simpson | Son | — | 34 | ~1906 |
| Thomas Simpson | Head | — | 64 | ~1876 |
| Francis Simpson | Son | — | 36 | ~1904 |
| Louise Simpson | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Lauderdale, Mississippi
Son, age 14
Lauderdale, Mississippi · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Thomas R. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Louisiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Lauderdale, Mississippi
Son, age 24
Lauderdale, Mississippi · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Thomas J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Lauderdale-County, Mississippi
Son, age 34
Lauderdale-County, Mississippi · implied b. ~1906 — 4 household members
| Surname | Simpson |
| Given Name | Thomas B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Shreveport |
| 1935 Residence (County) | Caddo |
| Occupation | Doctor |
| Industry | General Practice |
| Class of Worker | OA |
| Hours Worked | 50 |
| Highest Grade | C 4 |
| 1935 Residence | Louisiana |
| 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 Thomas Simpson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Simpson (~0.92 confidence) and father Thomas Simpson (~0.92 confidence) and mother Laura Simpson (~0.92 confidence) and mother Louise Simpson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Simpson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Thomas Simpson
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Laura Simpson
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Louise Simpson
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Simpson
Son · 1940 · age 34 · b. ~1906 · Mississippi
★ You are viewing this record
Sibling
Francis Simpson
Sibling · 1940 · age 36
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 — Lauderdale-County, Mississippi
Open full size
1940 US Federal Census — Lauderdale-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02039-00720)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Evelyn L. Holifield | 16 | Daughter | — | Mississippi |
| 2 | Mary Sloan Holifield | 13 | Daughter | — | Mississippi |
| 3 | Eugene S. Eastburn | 61 | Head | Inspector | Alabama |
| 4 | Allie B. Eastburn | 51 | Wife | Owner | Mississippi |
| 5 | Grace Eastburn | 28 | Daughter | Secretary | Mississippi |
| 6 | Thomas J. Simpson | 64 | Head | Locomotive Engineer | Alabama |
| 7 | Louise S. Simpson | 60 | Wife | — | Louisiana |
| 8 | Francis Hall Simpson | 36 | Son | — | Mississippi |
| 9 | Thomas B. Simpson THIS PERSON | 34 | Son | Doctor | Mississippi |
| 10 | Mattie Lou Brown | 52 | Head | — | Alabama |
| 11 | Beverly A. Brown | 10 | Daughter | — | Mississippi |
| 12 | Bernard S. Moore | 26 | Head | Treater | Mississippi |
| 13 | Annie Grace Moore | 23 | Wife | Examiner | Mississippi |
| 14 | Delwin Thigpen | 41 | Head | Teacher | Mississippi |
| 15 | Fannie H. Thigpen | 42 | Wife | — | Mississippi |
| 16 | Delwin Jr. Thigpen | 16 | Son | — | Louisiana |
| 17 | Rosemary Thigpen | 11 | Daughter | — | Mississippi |
| 18 | Morris Hall Thigpen | 8 | Son | — | Mississippi |
| 19 | Andrew Eugene Shirley | 50 | Head | Locomotive Engineer | Mississippi |
| 20 | Flora Yates Shirley | 43 | Wife | — | Arkansas |
| 21 | Irma Shirley | 27 | Daughter | Seamstress | Arkansas |
| 22 | Dorothy Jean Shirley | 14 | Daughter | — | Mississippi |
| 23 | Andrew Eugene Jr. Shirley | 10 | Son | — | Mississippi |
| 24 | F. Marjorie Shirley | 8 | Daughter | — | Mississippi |
| 25 | Glenda Faye Shirley | 5 | Daughter | — | Mississippi |
| 26 | William C. Jackson | 34 | Head | Night Clerk | Mississippi |
| 27 | Laverne Jackson | 31 | Wife | — | Mississippi |
| 28 | William C. Jr. Jackson | 9 | Son | — | Alabama |
| 29 | Max Earl Mccord | 43 | Head | Carpenter | Oklahoma |
| 30 | Nellie Mccord | 41 | Wife | — | Nebraska |
| 31 | M. Maxine Mccord | 21 | Daughter | Presser | Mississippi |
| 32 | Leroy Kenneth Mccord | 17 | Son | Carpenter Helper | Arkansas |
| 33 | Malcolm Berry Mccord | 13 | Son | — | Mississippi |
| 34 | Joseph Vance Mccord | 8 | Son | — | Mississippi |
| 35 | Elvin Laverne Mccord | 6 | Son | — | Mississippi |
| 36 | Humphrey Wells | 62 | Head | Night Sergeant | Mississippi |
| 37 | Janie B. Wells | 62 | Wife | Clerk | Alabama |
| 38 | Glover Hazel Jane Wells | 15 | Niece | — | Missouri |
| 39 | Leonard C. Cooley | 31 | Head | Lineman | Mississippi |
| 40 | Myrtle E. Cooley | 29 | Wife | — | Mississippi |
Pedigree Summary
Thomas + 1 sibling
Gen 1 · 4 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)