RW
Roy Williams — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Mary, Louisiana
Our Model Tree links this Roy Williams across the 1930 and 1940 US Censuses in St Mary, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 8-person household.
Age 22
b. ~1908
Male
Son
Born: Louisiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Mary, Louisiana |
| Surname | Williams |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Laborer |
| Township / Ward | Ward 3 East Part |
| Est. Birth Year | ~1908 |
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 1930 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Ora Williams | Daughter | — | 6 | ~1924 |
| Margy Williams | Daughter | — | 3 | ~1927 |
| Kate Williams | Daughter | — | 20 | ~1910 |
| Alberta Williams | Daughter | — | 21 | ~1909 |
| George Williams | Head | — | 67 | ~1863 |
| Roy Williams | Son | — | 22 | ~1908 |
| James Williams | Son | — | 21 | ~1909 |
| Penny Williams | Spouse | — | 57 | ~1873 |
Census Appearances
1930
St Mary, …
Son, age 22
St Mary, Louisiana · implied b. ~1908 — 8 household members
| Surname | Williams |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
St.-Mary-County, Louisiana
Head, age 32
St.-Mary-County, Louisiana · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Ray |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 3 |
| 1935 Residence (County) | St. Mary |
| Occupation | farm hand |
| Industry | Cane farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 374 |
| Highest Grade | No 1 |
| 1935 Residence | Louisiana |
| 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 Roy Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Roy Williams
Son · 1930 · age 22 · b. ~1908 · Louisiana
★ You are viewing this record
Sibling
Ora Williams
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kate Williams
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Williams
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alberta Williams
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margy Williams
Sibling · 1930 · age 3
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
1930 US Federal Census — St Mary, Louisiana
Open full size
1930 US Federal Census — St Mary, Louisiana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus821unit:0646)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frank Fate | 54 | Head | Laborer | Louisiana |
| 52 | Milique Fate | 46 | Wife | — | Louisiana |
| 53 | Dorothy H. Fate | 8 | Daughter | — | Louisiana |
| 54 | Albert Evans | 19 | Nephew | Laborer | Louisiana |
| 55 | Ivory Johnson | 23 | Head | Laborer | Louisiana |
| 56 | Mary Johnson | 22 | Wife | — | Louisiana |
| 57 | Perry Holden Johnson | 2 | Step-son | — | Louisiana |
| 58 | Robert Jr. Reed | 26 | Head | Laborer | Louisiana |
| 59 | Victoria Reed | 29 | Wife | — | Louisiana |
| 60 | George Williams | 67 | Head | Laborer | Louisiana |
| 61 | Penny Williams | 57 | Wife | — | Louisiana |
| 62 | Roy Williams THIS PERSON | 22 | Son | Laborer | Louisiana |
| 63 | Alberta Williams | 21 | Daughter | Laborer | Louisiana |
| 64 | James Williams | 21 | Son | Laborer | Louisiana |
| 65 | Kate Williams | 20 | Daughter | Laborer | Louisiana |
| 66 | Ora May Williams | 6 | Daughter | — | Louisiana |
| 67 | Margy May Williams | 3 | Daughter | — | Louisiana |
| 68 | James Smith | 30 | Head | Laborer | Louisiana |
| 69 | Celestine Smith | 30 | Wife | — | Louisiana |
| 70 | Edna Smith | 11 | Daughter | — | Louisiana |
| 71 | Valery Smith | 10 | Son | — | Louisiana |
| 72 | John Smith | 8 | Son | — | Louisiana |
| 73 | Simon Smith | 6 | Son | — | Louisiana |
| 74 | Angelle Smith | 4 | Daughter | — | Louisiana |
| 75 | Joseph Gilmore | 33 | Head | Laborer | Louisiana |
| 76 | Vera Gilmore | 32 | Wife | — | Louisiana |
| 77 | Virginia Gilmore | 14 | Daughter | Laborer | Louisiana |
| 78 | Ross Gilmore | 12 | Son | — | Louisiana |
| 79 | Flora Gilmore | 10 | Daughter | — | Louisiana |
| 80 | Arthur Gilmore | 7 | Son | — | Louisiana |
| 81 | Demoss Gilmore | 5 | Son | — | Louisiana |
| 82 | Lloyd Gilmore | 2 | Son | — | Louisiana |
| 83 | Alphonsine Eldridge | 40 | Head | — | Louisiana |
| 84 | Donald Eldridge | 22 | Son | Bridge Keeper | Louisiana |
| 85 | Florence Eldridge | 20 | Daughter | — | Louisiana |
| 86 | Della Eldridge | 18 | Daughter | — | Louisiana |
| 87 | Percy Eldridge | 16 | Son | — | Louisiana |
| 88 | Mabel Eldridge | 14 | Daughter | — | Louisiana |
| 89 | Howard Eldridge | 11 | Son | — | Louisiana |
| 90 | Nora Eldridge | 8 | Daughter | — | Louisiana |
| 91 | Dern Eldridge | 3 | Son | — | Louisiana |
| 92 | Joseph Delasous | 48 | Head | Laborer | Louisiana |
| 93 | Adeline Delasous | 47 | Wife | — | Louisiana |
| 94 | Roy Delasous | 15 | Son | Laborer | Louisiana |
| 95 | Alphonse Delasous | 15 | Son | Laborer | Louisiana |
| 96 | Gerald Delasous | 13 | Son | — | Louisiana |
| 97 | Lucia Delasous | 11 | Daughter | — | Louisiana |
| 98 | Arminie Delasous | 9 | Daughter | — | Louisiana |
| 99 | Joseph Jr. Delasous | 6 | Son | — | Louisiana |
| 100 | Ray Delasous | 1 | Son | — | Louisiana |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)