IW
Isaac Williams — 1920 US Census Record
Model Tree available1920 United States Federal Census · Saint Landry, Louisiana
Our Model Tree links this Isaac Williams across the 1900, 1910 and 1920 US Censuses in Saint Landry, Louisiana (XGBoost, ~Confirmed), with identified parents Mose & Martha — first a son (b.~1896), then head of a 7-person household.
Age 24
b. ~1896
Male
Son
Born: Louisiana
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Saint Landry, Louisiana |
| Surname | Williams |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Additional Details | |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Laborer |
| Township / Ward | Port Barre |
| Est. Birth Year | ~1896 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Mary Williams | Daughter | — | 14 | ~1906 |
| Mose Williams | Head | — | 68 | ~1852 |
| Robert Williams | Son | — | 10 | ~1910 |
| Elmer Williams | Son | — | 19 | ~1901 |
| Charlie Williams | Son | — | 12 | ~1908 |
| Isaac Williams | Son | — | 24 | ~1896 |
| Martha Williams | Spouse | — | 56 | ~1864 |
Census Appearances
1900
St Landry, …
Son, age 3
St Landry, Louisiana · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Isaac Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Birth Month | Jan |
| Birth Year | 1897 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1910
St Landry, …
Son, age 14
St Landry, Louisiana · implied b. ~1896 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | General Farm |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1920
Saint Landry, …
Son, age 24
Saint Landry, Louisiana · implied b. ~1896 — 7 household members
| Surname | Williams |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Williams across 3 US Census years (1900, 1910 and 1920) in 2 locations, using XGBoost record linkage. Identified parents: father Mose Williams (~0.92 confidence) and mother Martha Williams (~0.92 confidence) and father Isaac Williams (~0.92 confidence) and mother Lizzie Williams (~0.92 confidence) and mother Mary Williams (~0.92 confidence) and father Isaac Williams (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Mose Williams
b. ~1852
Source father
● Household
· direct · ~0.92
Mother
Martha Williams
b. ~1864
Source mother
● Household
· direct · ~0.92
Father
Isaac Williams
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Lizzie Williams
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mary Williams
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Isaac Williams
b. ~1877
Source father
● Household
· direct · ~0.92
This person
Anchor record
Isaac Williams
Son · 1920 · age 24 · b. ~1896 · Louisiana
★ You are viewing this record
Sibling
Charlie Williams
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Williams
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Williams
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Williams
Sibling · 1920 · age 14
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 — Saint Landry, Louisiana
Open full size
1920 US Federal Census — Saint Landry, Louisiana
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu626unit:0062)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Hartford | 29 | Head | Farmer | Louisiana |
| 2 | Mary Lee Hartford | 24 | Wife | — | Mississippi |
| 3 | Viola Hartford | 9 | Daughter | — | Louisiana |
| 4 | Earline Hartford | 5 | Daughter | — | Louisiana |
| 5 | Nathan Hartford | 3 | Son | — | Louisiana |
| 6 | Junius Hartford | 2 | Son | — | Louisiana |
| 7 | Kate Ford | 68 | Head | Farmer | Louisiana |
| 8 | Joe Ford | 23 | Son | Laborer | Louisiana |
| 9 | Abe Ford | 19 | Son | Laborer | Louisiana |
| 10 | Margaret Ford | 17 | Daughter | Laborer | Louisiana |
| 11 | Lillie Ford | 19 | Granddaughter | Laborer | Louisiana |
| 12 | Allee Brient | 6 | Granddaughter | — | Louisiana |
| 13 | Sadie Brient | 4 | Granddaughter | — | Louisiana |
| 14 | Mose Sr. Williams | 68 | Head | Farmer | Mississippi |
| 15 | Martha Williams | 56 | Wife | — | Louisiana |
| 16 | Isaac Williams THIS PERSON | 24 | Son | Laborer | Louisiana |
| 17 | Elmer Williams | 19 | Son | Laborer | Louisiana |
| 18 | Mary Williams | 14 | Daughter | — | Louisiana |
| 19 | Charlie Williams | 12 | Son | — | Louisiana |
| 20 | Robert Williams | 10 | Son | — | Louisiana |
| 21 | Mose Jr. Williams | 42 | Head | Farmer | Louisiana |
| 22 | Virginia Williams | 21 | Wife | — | Louisiana |
| 23 | Gladys Williams | 8 | Daughter | — | Louisiana |
| 24 | Arthur Williams | 2 | Son | — | Louisiana |
| 25 | Louis Sheppard | 50 | Head | Farmer | Mississippi |
| 26 | Frances Sheppard | 38 | Daughter | — | Louisiana |
| 27 | Earnest Sheppard | 17 | Son | Laborer | Louisiana |
| 28 | Edmon Sheppard | 14 | Son | — | Louisiana |
| 29 | Edith Sheppard | 11 | Daughter | — | Louisiana |
| 30 | Homer Lee | 33 | Head | Farmer | Louisiana |
| 31 | Creola Lee | 5 | Daughter | — | Louisiana |
| 32 | Rosie Lee | 1 | Daughter | — | Louisiana |
| 33 | Morris Buckle | 16 | Wife | — | Louisiana |
| 34 | Randle Mills | 62 | Father | — | Louisiana |
| 35 | Jim Blair | 45 | Head | Farmer | Louisiana |
| 36 | Hettie Blair | 52 | Wife | — | Louisiana |
| 37 | James Blair | 25 | Son | Laborer | Louisiana |
| 38 | Earnest Blair | 12 | Son | — | Louisiana |
| 39 | Clarence Blair | 10 | Son | — | Louisiana |
| 40 | Fannie Blair | 15 | Daughter | — | Louisiana |
| 41 | John Blair | 37 | Head | Farmer | Louisiana |
| 42 | Delia Blair | 34 | Wife | — | Mississippi |
| 43 | Sam Blair | 13 | Son | — | Louisiana |
| 44 | Callie Blair | 11 | Daughter | — | Louisiana |
| 45 | Ed Bethely | 40 | Head | Farmer | Mississippi |
| 46 | Sarah Bethely | 50 | Wife | — | Mississippi |
| 47 | Annie Bethely | 26 | Daughter | Laborer | Mississippi |
| 48 | Mary Allen | 65 | Head | Farmer | Louisiana |
| 49 | Henry Allen | 18 | Son | Laborer | Louisiana |
| 50 | Carrie Allen | 21 | Daughter | Laborer | Louisiana |
Pedigree Summary
Isaac + 4 siblings
Gen 1 · 6 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)