IT
Isaac Thomas — 1920 US Census Record
Model Tree available1920 United States Federal Census · Caddo, Louisiana
Our Model Tree links this Isaac Thomas across the 1910, 1920 and 1930 US Censuses in Caddo, Louisiana (XGBoost, ~Confirmed), with identified parents Henry & Martha — first a son (b.~1909), then head of a 4-person household.
Age 11
b. ~1909
Male
Son
Born: Louisiana
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Caddo, Louisiana |
| Surname | Thomas |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 5 |
| Est. Birth Year | ~1909 |
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 1920 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Isaac Thomas | Son | — | 11 | ~1909 |
| Martha Thomas | Spouse | — | 44 | ~1876 |
| Henry Thomas | Head | — | 56 | ~1864 |
| Minnie Thomas | Daughter | — | 9 | ~1911 |
Census Appearances
1910
Caddo, Louisiana
Other, age 5
Caddo, Louisiana · implied b. ~1905 — 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 | 5 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1920
Caddo, Louisiana
Son, age 11
Caddo, Louisiana · implied b. ~1909 — 4 household members
| Surname | Thomas |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Caddo, Louisiana
Head, age 22
Caddo, Louisiana · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Isiah |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 21 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Farmer |
| Industry | Gen. Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| 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 3 US Census years (1910, 1920 and 1930) in Caddo, Louisiana, using XGBoost record linkage. Identified parents: father Henry Thomas (~0.92 confidence) and mother Martha Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Thomas
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Martha Thomas
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Isaac Thomas
Son · 1920 · age 11 · b. ~1909 · Louisiana
★ You are viewing this record
Sibling
Minnie Thomas
Sibling · 1920 · age 9
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
1920 US Federal Census — Caddo, Louisiana
Open full size
1920 US Federal Census — Caddo, Louisiana
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu607unit:0885)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | G. W. Alexander | 62 | Head | Farmer | Texas |
| 52 | Mary Alexander | 53 | Wife | — | Louisiana |
| 53 | Alma Alexander | 25 | Daughter | Teacher | Louisiana |
| 54 | B. F. Long | 35 | Head | Fireman | Mississippi |
| 55 | Ada Long | 32 | Wife | — | Mississippi |
| 56 | Bessie Long | 12 | Daughter | — | Mississippi |
| 57 | Anna May Long | 8 | Daughter | — | Louisiana |
| 58 | Lillian Long | 6 | Daughter | — | Louisiana |
| 59 | B. F. Long | 4 | Son | — | Louisiana |
| 60 | Kate Long | 0 | Daughter | — | Louisiana |
| 61 | Henry Hicks | 45 | Head | Mechanic | Louisiana |
| 62 | Nora Hicks | 28 | Wife | — | Louisiana |
| 63 | Willie Hicks | 7 | Son | Laborer | Louisiana |
| 64 | Henry Thomas | 56 | Head | Farmer | Louisiana |
| 65 | Martha Thomas | 44 | Wife | — | Louisiana |
| 66 | Isaac Thomas THIS PERSON | 11 | Son | — | Louisiana |
| 67 | Minnie Thomas | 9 | Daughter | — | Louisiana |
| 68 | J. R. Meadows | 58 | Head | Farmer | Texas |
| 69 | Annie Meadows | 20 | Wife | — | Texas |
| 70 | John Meadows | 33 | Head | Mechanic | Louisiana |
| 71 | Annie Meadows | 31 | Wife | — | Louisiana |
| 72 | Annie Meadows | 11 | Daughter | — | Louisiana |
| 73 | Albert Meadows | 6 | Son | — | Louisiana |
| 74 | Thelma Meadows | 0 | Daughter | — | Louisiana |
| 75 | C. T. Sharp | 55 | Head | Lumberman | Louisiana |
| 76 | Annie Sharp | 55 | Wife | — | Louisiana |
| 77 | Lillian Sharp | 18 | Daughter | — | Louisiana |
| 78 | Annie Sharp | 15 | Daughter | — | Louisiana |
| 79 | Lula Sharp | 13 | Daughter | — | Louisiana |
| 80 | Leland Sharp | 10 | Son | — | Louisiana |
| 81 | Fred Sharp | 21 | Head | Lumberman | Louisiana |
| 82 | Gladys Sharp | 20 | Wife | — | Arkansas |
| 83 | Margaret Sharp | 1 | Daughter | — | Louisiana |
| 84 | Fletcher Thomas | 45 | Head | Farmer | Louisiana |
| 85 | Sarah Thomas | 36 | Wife | — | Louisiana |
| 86 | Irene Thomas | 16 | Daughter | — | Louisiana |
| 87 | James Taylor | 39 | Head | Cook | Louisiana |
| 88 | Lula Taylor | 33 | Wife | — | Louisiana |
| 89 | James Taylor | 7 | Son | — | Louisiana |
| 90 | Will Hill | 55 | Head | Farmer | Louisiana |
| 91 | Lula Hill | 55 | Wife | — | Louisiana |
| 92 | Lula Hill | 16 | Daughter | — | Louisiana |
| 93 | Henry Hill | 15 | Son | — | Louisiana |
| 94 | Bessie Hill | 13 | Daughter | — | Louisiana |
| 95 | Willie Hill | 19 | Son | Farmer | Louisiana |
| 96 | Annie Hill | 17 | Daughter | — | Louisiana |
| 97 | Lillie Hill | 11 | Daughter | — | Louisiana |
| 98 | Willie Hill | 24 | Head | Farmer | Louisiana |
| 99 | Lula Hill | 20 | Wife | — | Louisiana |
| 100 | Willie Hill | 3 | Son | — | Louisiana |
Pedigree Summary
Isaac + 1 sibling
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 1920 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)