IT
Isaac Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Caddo, Louisiana
Our Model Tree links this Isaac Thomas across the 1910, 1920, 1930 and 1940 US Censuses in Caddo, Louisiana (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 4-person household.
Age 33
b. ~1897
Male
Head
Born: Louisiana
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Caddo, Louisiana |
| Surname | Thomas |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 24 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12.00 |
| Veteran | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Shreveport City |
| Est. Birth Year | ~1897 |
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 1930 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Isaac Thomas | Head | — | 33 | ~1897 |
| Willie Thomas | Son | — | 15 | ~1915 |
| Genevieve Thomas | Spouse | — | 28 | ~1902 |
| Herbert Thomas | Daughter | — | 14 | ~1916 |
Census Appearances
1910
Caddo, Louisiana
Other, age 14
Caddo, Louisiana · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Isaac |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Farm |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1920
Caddo, Louisiana
Head, age 21
Caddo, Louisiana · implied b. ~1899 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Lumber Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Caddo, Louisiana
Head, age 33
Caddo, Louisiana · implied b. ~1897 — 4 household members
| Surname | Thomas |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 24 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12.00 |
| Veteran | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Caddo-County, Louisiana
Head, age 39
Caddo-County, Louisiana · implied b. ~1901 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Isiah |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Caddo |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 200 |
| Highest Grade | No 0 |
| 1935 Residence | Louisiana |
| 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 Isaac Thomas across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Isaac Thomas
Head · 1930 · age 33 · b. ~1897 · Louisiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Caddo, Louisiana
Open full size
1930 US Federal Census — Caddo, Louisiana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus787unit:0336)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theodore Williams | 35 | Head | Driver | Louisiana |
| 2 | Hattie Williams | 34 | Wife | — | Louisiana |
| 3 | Robert Sims | 50 | Head | Servant | Louisiana |
| 4 | Edna Sims | 38 | Wife | Laborer | Louisiana |
| 5 | Ida M. Sims | 12 | Daughter | Laundress | Louisiana |
| 6 | Mattie Sims | 11 | Daughter | — | Louisiana |
| 7 | Robert Sims | 21 | Son | — | Louisiana |
| 8 | Sam Mitchell | 25 | Boarder | Laborer | Louisiana |
| 9 | Mattie Mitchell | 18 | Boarder | Laborer | Louisiana |
| 10 | Mary Sims | 22 | Boarder | Servant | Louisiana |
| 11 | Robert Watson | 36 | Head | Laborer | Louisiana |
| 12 | Ida Watson | 32 | Wife | Laborer | Texas |
| 13 | Julia Watson | 33 | Sister | — | Texas |
| 14 | Louis Scott | 28 | Head | Laborer | Texas |
| 15 | Lula Scott | 25 | Wife | Laborer | Louisiana |
| 16 | Frances Scott | 19 | Sister | — | Louisiana |
| 17 | Gail Scott | 15 | Sister | — | Arkansas |
| 18 | Lincoln Scott | 16 | Brother | Laborer | Louisiana |
| 19 | Ada Smith | 45 | Head | — | Louisiana |
| 20 | George Smith | 22 | Son | Servant | Louisiana |
| 21 | Elmer Turnage | 35 | Head | Servant | Louisiana |
| 22 | Lula Turnage | 32 | Wife | Servant | Louisiana |
| 23 | Lula Mae Turnage | 17 | Daughter | Servant | Louisiana |
| 24 | Isaac Thomas THIS PERSON | 33 | Head | — | Louisiana |
| 25 | Genevieve Thomas | 28 | Wife | Laborer | Louisiana |
| 26 | Herbert Thomas | 14 | Daughter | — | Louisiana |
| 27 | Willie M. Thomas | 15 | Son | — | Louisiana |
| 28 | Alex Hales | 58 | Head | — | Louisiana |
| 29 | Mattie Hales | 55 | Wife | Laundress | Louisiana |
| 30 | Ruby Hales | 30 | Daughter | Laundress | Texas |
| 31 | Ida Hales | 22 | Daughter | Laundress | Louisiana |
| 32 | Mattie Sinclair | 57 | Head | Laborer | Louisiana |
| 33 | Lloyd Sinclair | 21 | Son | — | Louisiana |
| 34 | Hazel Sinclair | 18 | Daughter | Laborer | Louisiana |
| 35 | Gilbert Sinclair | 13 | Son | Servant | Louisiana |
| 36 | Willie Collins | 42 | Head | Laborer | Louisiana |
| 37 | David Collins | 21 | Son | Merchant | Louisiana |
| 38 | David M. Dixon | 24 | Lodger | Laborer | Louisiana |
| 39 | Gladys Dixon | 23 | Lodger | Servant | Louisiana |
| 40 | Thelma Dixon | 18 | Lodger | — | Louisiana |
| 41 | Henry Robinson | 54 | Head | — | Louisiana |
| 42 | Willie Robinson | 44 | Wife | Laundress | Louisiana |
| 43 | Frank Robinson | 16 | Son | — | Louisiana |
| 44 | Simon Robinson | 14 | Son | — | Louisiana |
| 45 | Hattie Robinson | 12 | Son | — | Louisiana |
| 46 | Moline Robinson | 10 | Son | — | Louisiana |
| 47 | Julia Robinson | 91 | Mother | — | Alabama |
| 48 | Julia Jones | 30 | Niece | — | Louisiana |
| 49 | Henry Williams | 35 | Head | Servant | Kansas |
| 50 | Mary Williams | 32 | Wife | Laborer | Louisiana |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)