JT
Jack Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bossier-County, Louisiana
Our Model Tree links this Jack Thomas across the 1930 and 1940 US Censuses in Bossier-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bossier-County, Louisiana |
| Surname | Thomas |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 1 |
| 1935 Residence (County) | Bossier |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Police Jury Ward 1 |
| Est. Birth Year | ~1929 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jack | Age | Birth yr |
|---|---|---|---|---|
| Jack Thomas | Son | — | 11 | ~1929 |
| Lucie Thomas | Spouse | — | 37 | ~1903 |
| Ernest Thomas | Son | — | 3 | ~1937 |
| Cornelius Thomas | Head | — | 44 | ~1896 |
| Ruthie Thomas | Daughter | — | 14 | ~1926 |
| Bennett Thomas | Son | — | 8 | ~1932 |
| Lannie Thomas | Daughter | — | 10 | ~1930 |
| Cyprian Thomas | Son | — | 9 | ~1931 |
| Eva Thomas | Daughter | — | 1 | ~1939 |
| Narthel Thomas | Son | — | 6 | ~1934 |
Census Appearances
1930
Bossier, Louisiana
Son, age 3
Bossier, Louisiana · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Bossier-County, Louisiana
Son, age 11
Bossier-County, Louisiana · implied b. ~1929 — 10 household members
| Surname | Thomas |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 1 |
| 1935 Residence (County) | Bossier |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Jack Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Thomas
Son · 1940 · age 11 · b. ~1929 · Louisiana
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Sibling
Ruthie Thomas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cyprian Thomas
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Thomas
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Narthel Thomas
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Thomas
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bennett Thomas
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lannie Thomas
Sibling · 1940 · age 10
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 — Bossier-County, Louisiana
Open full size
1940 US Federal Census — Bossier-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01384-00174)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Pearl Ogleby | 36 | Wife | Farm Labor | Louisiana |
| 2 | Taryn Ogleby | 16 | Son | Farm Labor | Louisiana |
| 3 | Wesley Ogleby | 15 | Son | — | Louisiana |
| 4 | Artile Ogleby | 11 | Daughter | — | Louisiana |
| 5 | Benny Bedford | 56 | Head | Farmer | Louisiana |
| 6 | Azalie Bedford | 42 | Wife | — | Louisiana |
| 7 | L. C. Bedford | 8 | Son | — | Louisiana |
| 8 | Willie Bedford | 5 | Son | — | Louisiana |
| 9 | Wilbert Bedford | 5 | Son | — | Louisiana |
| 10 | James Williams | 55 | Head | Farmer | Louisiana |
| 11 | Mary Jane Williams | 51 | Wife | — | Louisiana |
| 12 | Hazel Blackshire | 21 | Step-dau | Farm Labor | Louisiana |
| 13 | Agatha Killen | 69 | Mother-in-law | — | Louisiana |
| 14 | Ben Collins | 61 | Head | Farmer | Louisiana |
| 15 | Caroline Collins | 48 | Wife | — | Louisiana |
| 16 | Wilbert Collins | 20 | Son | Farm Labor | Louisiana |
| 17 | Josephine Collins | 17 | Daughter | Farm Labor | Louisiana |
| 18 | Mary D. Collins | 14 | Daughter | Farm Labor | Louisiana |
| 19 | Bernice Collins | 9 | Daughter | — | Louisiana |
| 20 | Jessie Garrett | 42 | Head | Farmer | Louisiana |
| 21 | Leon Garrett | 38 | Son | Farm Labor | Louisiana |
| 22 | Benny Ogleby | 30 | Head | Farm Labor | Louisiana |
| 23 | Carrie Lee Ogleby | 18 | Wife | — | Louisiana |
| 24 | Lee Collins | 27 | Head | Farm Labor | Louisiana |
| 25 | Fairy Lee Collins | 28 | Wife | — | Louisiana |
| 26 | Quinton Leonard | 11 | Son | — | Louisiana |
| 27 | Elnora Leonard | 1 | Daughter | — | Louisiana |
| 28 | Alney F. Sprouls | 64 | Head | Farm Labor | Louisiana |
| 29 | Lucie Gertrude Sprouls | 56 | Wife | — | Louisiana |
| 30 | Lannie Sprouls | 21 | Son | Farm Labor | Louisiana |
| 31 | Cornelius Thomas | 44 | Head | Farm Labor | Louisiana |
| 32 | Lucie Thomas | 37 | Wife | — | Louisiana |
| 33 | Ruthie Thomas | 14 | Daughter | Farm Labor | Louisiana |
| 34 | Jack Thomas THIS PERSON | 11 | Son | — | Louisiana |
| 35 | Lannie Lee Thomas | 10 | Daughter | — | Louisiana |
| 36 | Cyprian Thomas | 9 | Son | — | Louisiana |
| 37 | Bennett Thomas | 8 | Son | — | Louisiana |
| 38 | Narthel Thomas | 6 | Son | — | Louisiana |
| 39 | Ernest Thomas | 3 | Son | — | Louisiana |
| 40 | Eva May Thomas | 1 | Daughter | — | Louisiana |
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)