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Evelyn Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Mary-County, Louisiana
Our Model Tree links this Evelyn Williams across the 1930 and 1940 US Censuses in St.-Mary-County, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Mary-County, Louisiana |
| Surname | Williams |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 5 |
| 1935 Residence (County) | St. Mary |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Police Jury Ward 5 |
| Est. Birth Year | ~1930 |
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 Evelyn | Age | Birth yr |
|---|---|---|---|---|
| Hercules Williams | Son | — | 9 | ~1931 |
| Evelyn Williams | Daughter | — | 10 | ~1930 |
| Allan Williams | Son | — | 7 | ~1933 |
| Raphael Williams | Head | — | 28 | ~1912 |
| Ray Williams | Son | — | 4 | ~1936 |
| Joyce Williams | Daughter | — | 2 | ~1938 |
| Delores Williams | Daughter | — | 12 | ~1928 |
| Cora Williams | Spouse | — | 32 | ~1908 |
Census Appearances
1930
St Mary, …
Daughter, age 1
St Mary, Louisiana · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
St.-Mary-County, Louisiana
Daughter, age 10
St.-Mary-County, Louisiana · implied b. ~1930 — 8 household members
| Surname | Williams |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 5 |
| 1935 Residence (County) | St. Mary |
| Highest Grade | No 3 |
| 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 Evelyn Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Evelyn Williams
Daughter · 1940 · age 10 · b. ~1930 · Louisiana
★ You are viewing this record
Sibling
Allan Williams
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hercules Williams
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Williams
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delores Williams
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joyce Williams
Sibling · 1940 · age 2
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
1940 US Federal Census — St.-Mary-County, Louisiana
Open full size
1940 US Federal Census — St.-Mary-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01454-00526)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Irma Baily | 21 | Daughter | — | Louisiana |
| 2 | Wilson Baily | 19 | Son | Laborer | Louisiana |
| 3 | Joseph Baily | 17 | Son | Laborer | Louisiana |
| 4 | Henry Baily | 15 | Son | — | Louisiana |
| 5 | Nolton Baily | 12 | Son | — | Louisiana |
| 6 | Alphonse Gautreaux | 68 | Head | — | Louisiana |
| 7 | Amy Gautreaux | 63 | Wife | — | Louisiana |
| 8 | Rena Gautreaux | 26 | Daughter | — | Louisiana |
| 9 | James Olivier | 77 | Head | — | Louisiana |
| 10 | Annette Olivier | 38 | Wife | — | Louisiana |
| 11 | Alex Olivier | 14 | Son | — | Louisiana |
| 12 | Theresa Olivier | 11 | Daughter | — | Louisiana |
| 13 | Margaret Olivier | 6 | Daughter | — | Louisiana |
| 14 | Raphael Williams | 28 | Head | Laborer | Louisiana |
| 15 | Cora Williams | 32 | Wife | — | Louisiana |
| 16 | Delores Williams | 12 | Daughter | — | Louisiana |
| 17 | Evelyn Williams THIS PERSON | 10 | Daughter | — | Louisiana |
| 18 | Hercules Williams | 9 | Son | — | Louisiana |
| 19 | Allan Williams | 7 | Son | — | Louisiana |
| 20 | Ray Williams | 4 | Son | — | Louisiana |
| 21 | Joyce Williams | 2 | Daughter | — | Louisiana |
| 22 | Ivory Brown | 67 | Head | Laborer | Louisiana |
| 23 | Mary Brown | 66 | Wife | — | Louisiana |
| 24 | Peter Wood | 63 | Head | Laborer | Louisiana |
| 25 | Victoria Wood | 61 | Wife | — | Louisiana |
| 26 | Tyrus Gray | 29 | Head | Laborer | Louisiana |
| 27 | Rosa Gray | 45 | Wife | — | Louisiana |
| 28 | Denis Gray | 13 | Son | — | Louisiana |
| 29 | Tishen Gray | 11 | Daughter | — | Louisiana |
| 30 | Catherine Gray | 10 | Daughter | — | Louisiana |
| 31 | Marge Gray | 5 | Daughter | — | Louisiana |
| 32 | Agnes Jr. Gray | 2 | Son | — | Louisiana |
| 33 | Clarence Gray | 1 | Son | — | Louisiana |
| 34 | Eli Rollins | 64 | Head | Laborer | Louisiana |
| 35 | Margaret Rollins | 68 | Wife | — | Louisiana |
| 36 | Bernie Rollins | 22 | Son | Laborer | Louisiana |
| 37 | Cleo Taylor | 10 | Granddaughter | — | Louisiana |
| 38 | Etienne Perinison | 60 | Head | Laborer | Louisiana |
| 39 | Odile Perinison | 53 | Wife | Laborer | Louisiana |
| 40 | Jenny Calahan | 58 | Head | 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)