IW
Isaac Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · East-Baton-Rouge-County, Louisiana
Our Model Tree links this Isaac Williams across the 1920, 1930 and 1940 US Censuses in East-Baton-Rouge-County, Louisiana (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 8-person household.
Age 45
b. ~1895
Male
Head
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | East-Baton-Rouge-County, Louisiana |
| Surname | Williams |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Baton Rouge City |
| 1935 Residence (County) | East Baton Rouge |
| Additional Details | |
| Occupation | Laborer |
| Industry | Sewerage project |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 525 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Laborer |
| Township / Ward | Baton Rouge City |
| Est. Birth Year | ~1895 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Kathryn Williams | Daughter | — | 6 | ~1934 |
| Allie Williams | Daughter | — | 9 | ~1931 |
| Albeta Williams | Daughter | — | 2 | ~1938 |
| Carrie Williams | Daughter | — | 15 | ~1925 |
| Lannie Williams | Daughter | — | 13 | ~1927 |
| Isaac Williams | Head | — | 45 | ~1895 |
| Isaac Williams | Son | — | 18 | ~1922 |
| Lillie Williams | Spouse | — | 34 | ~1906 |
Census Appearances
1920
East Baton …
Head, age 23
East Baton Rouge, Louisiana · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Std Oil Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Year of Naturalization | R |
| Birthplace (normalized) | louisiana |
1930
East Baton …
Head, age 35
East Baton Rouge, Louisiana · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 20 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Oil refinery |
| Class of Worker | W |
| Can Read/Write | No |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Veteran | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
East-Baton-Rouge-County, Louisiana
Head, age 45
East-Baton-Rouge-County, Louisiana · implied b. ~1895 — 8 household members
| Surname | Williams |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Baton Rouge City |
| 1935 Residence (County) | East Baton Rouge |
| Occupation | Laborer |
| Industry | Sewerage project |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 525 |
| Highest Grade | No 5 |
| 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 Isaac Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Isaac Williams
Head · 1940 · age 45 · b. ~1895 · Louisiana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — East-Baton-Rouge-County, Louisiana
Open full size
1940 US Federal Census — East-Baton-Rouge-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01396-00723)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Silas Douglas | 39 | Head | Laborer | Louisiana |
| 42 | Julia Douglas | 32 | Wife | — | Mississippi |
| 43 | Leona Douglas | 16 | Daughter | — | Louisiana |
| 44 | Silas Jr. Douglas | 14 | Son | — | Louisiana |
| 45 | Joyce D. Douglas | 10 | Daughter | — | Louisiana |
| 46 | Joseph Douglas | 9 | Son | — | Louisiana |
| 47 | Esther M. Douglas | 6 | Daughter | — | Louisiana |
| 48 | Cora Lee Douglas | 4 | Daughter | — | Louisiana |
| 49 | Isaac Williams THIS PERSON | 45 | Head | Laborer | Louisiana |
| 50 | Lillie Williams | 34 | Wife | — | Louisiana |
| 51 | Isaac Jr. Williams | 18 | Son | Delivery Boy | Louisiana |
| 52 | Carrie Lee Williams | 15 | Daughter | — | Louisiana |
| 53 | Lannie Williams | 13 | Daughter | — | Louisiana |
| 54 | Allie Mae Williams | 9 | Daughter | — | Louisiana |
| 55 | Kathryn Williams | 6 | Daughter | — | Louisiana |
| 56 | Albeta Williams | 2 | Daughter | — | Louisiana |
| 57 | Williams | 0 | Son | — | Louisiana |
| 58 | Robert D. Jones | 52 | Head | — | Massachusetts |
| 59 | Matilda Jones | 39 | Wife | Maid | Louisiana |
| 60 | Jerry Jones | 22 | Son | Delivery Boy | Louisiana |
| 61 | Alice Jones | 18 | Daughter | — | Louisiana |
| 62 | Minnie Jones | 12 | Son | — | Louisiana |
| 63 | Jonas King | 45 | Head | Laborer | Louisiana |
| 64 | Irene King | 35 | Wife | — | Louisiana |
| 65 | Earl Williams | 39 | Head | Gardener | Louisiana |
| 66 | Camille Williams | 40 | Wife | Ironer | Louisiana |
| 67 | Viola Williams | 17 | Daughter | — | Louisiana |
| 68 | Elvira Williams | 16 | Daughter | — | Louisiana |
| 69 | Ernest Williams | 15 | Son | — | Louisiana |
| 70 | Erwin Williams | 13 | Son | — | Louisiana |
| 71 | Simon Chillis | 22 | Head | Deliveryman | Louisiana |
| 72 | Olea Chillis | 23 | Wife | — | Louisiana |
| 73 | Louie Washington | 46 | Head | Washwoman | Louisiana |
| 74 | Willie B. Hardson | 23 | Lodger | Maid | Louisiana |
| 75 | Johnny D. Red | 30 | Head | Laborer | Louisiana |
| 76 | Alice Red | 38 | Wife | Maid | Louisiana |
| 77 | Red | None | — | — | — |
| 78 | Leander Mansfield | 33 | Head | Carpenter | Louisiana |
| 79 | Ida Mansfield | 30 | Wife | — | Louisiana |
| 80 | Henry Johnson | 35 | Lodger | Laborer | 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)