IW
Ida Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Plaquemines-County, Louisiana
Our Model Tree links this Ida Williams across the 1920, 1930 and 1940 US Censuses in Plaquemines-County, Louisiana (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 6-person household.
Age 38
b. ~1902
Female
Spouse
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Plaquemines-County, Louisiana |
| Surname | Williams |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Unincorporated place (Scarsdale 1-40) |
| 1935 Residence (County) | Plaquemines |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Unincorporated Place Scarsdale 140 |
| Est. Birth Year | ~1902 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Pearl Williams | Daughter | — | 16 | ~1924 |
| Katie Williams | Daughter | — | 14 | ~1926 |
| Marshall Williams | Head | — | 42 | ~1898 |
| Rudolph Williams | Son | — | 2 | ~1938 |
| Marshall Williams | Son | — | 12 | ~1928 |
| Ida Williams | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Plaquemines, Louisiana
Spouse, age 18
Plaquemines, Louisiana · implied b. ~1902 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Plaquemines, Louisiana
Spouse, age 29
Plaquemines, Louisiana · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 15 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Plaquemines-County, Louisiana
Spouse, age 38
Plaquemines-County, Louisiana · implied b. ~1902 — 6 household members
| Surname | Williams |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Unincorporated place (Scarsdale 1-40) |
| 1935 Residence (County) | Plaquemines |
| Class of Worker | 0 |
| Highest Grade | No 1 |
| 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 Ida Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Williams
Spouse · 1940 · age 38 · b. ~1902 · 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 — Plaquemines-County, Louisiana
Open full size
1940 US Federal Census — Plaquemines-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01439-00019)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rebecca Williams | 37 | Wife | Laundress | Louisiana |
| 2 | Alice Williams | 19 | Daughter | Laborer | Louisiana |
| 3 | Sidney Williams | 17 | Son | Servant | Louisiana |
| 4 | Lottie Williams | 16 | Daughter | Farm Laborer | Louisiana |
| 5 | Vercy Williams | 13 | Daughter | — | Louisiana |
| 6 | Mable Williams | 7 | Daughter | — | Louisiana |
| 7 | Marguerite Williams | 5 | Daughter | — | Louisiana |
| 8 | Edward Francois | 2 | Grandson | — | Louisiana |
| 9 | Levy Hughes | 49 | Head | Farm Laborer | Louisiana |
| 10 | Lottie Hughes | 48 | Wife | — | Louisiana |
| 11 | Doris Hughes | 19 | Daughter | Oyster Opener | Louisiana |
| 12 | Walter Hughes | 13 | Son | — | Louisiana |
| 13 | Lloyd Ann Hughes | 8 | Daughter | — | Louisiana |
| 14 | Viola Hughes | 5 | Daughter | — | Louisiana |
| 15 | Marshall Williams | 42 | Head | Delivery Truck Driver | Louisiana |
| 16 | Ida Williams THIS PERSON | 38 | Wife | — | Louisiana |
| 17 | Pearl Williams | 16 | Daughter | Oyster Opener | Louisiana |
| 18 | Katie Williams | 14 | Daughter | — | Louisiana |
| 19 | Marshall Jr Williams | 12 | Son | — | Louisiana |
| 20 | Rudolph Williams | 2 | Son | — | Louisiana |
| 21 | David Johnson | 66 | Head | — | Louisiana |
| 22 | Phyllis Johnson | 64 | Wife | Laundress | Louisiana |
| 23 | Paul Williams | 45 | Head | Laborer | Louisiana |
| 24 | Anita Williams | 42 | Wife | — | Louisiana |
| 25 | Gertrude Williams | 25 | Daughter | Oyster Opener | Louisiana |
| 26 | Harry Williams | 24 | Son | Farm Laborer | Louisiana |
| 27 | Gertrude Williams | 7 | Granddaughter | — | Louisiana |
| 28 | Jacob Lewis | 52 | Head | — | Louisiana |
| 29 | Isabelle Lewis | 54 | Wife | — | Louisiana |
| 30 | Hilda Lewis | 23 | Daughter | Seamstress | Louisiana |
| 31 | John Campbell | 33 | Head | Farm Laborer | Louisiana |
| 32 | Lucy Campbell | 37 | Wife | — | Louisiana |
| 33 | Wilhelmina Johnson | 17 | Daughter | Oyster Opener | Louisiana |
| 34 | Rose Smith | 13 | Daughter | — | Louisiana |
| 35 | Martha Campbell | 10 | Daughter | — | Louisiana |
| 36 | Sidonia Campbell | 6 | Daughter | — | Louisiana |
| 37 | John Jr Campbell | 2 | Son | — | Louisiana |
| 38 | Leonard Williams | 28 | Nephew | Farm Laborer | Louisiana |
| 39 | Israel Wagner | 60 | Head | Farm Laborer | Louisiana |
| 40 | Rosie Wagner | 50 | Wife | — | 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)