RT
Roy Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Mary, Louisiana
Our Model Tree links this Roy Thomas across the 1920 and 1930 US Censuses in St Mary, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1911), then head of a 8-person household.
Age 19
b. ~1911
Male
Son
Born: Louisiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Mary, Louisiana |
| Surname | Thomas |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Patterson Town |
| Est. Birth Year | ~1911 |
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 |
|---|---|---|---|---|
| Eugene Thomas | Son | — | 13 | ~1917 |
| Roy Thomas | Son | — | 19 | ~1911 |
| Howard Thomas | Head | — | 37 | ~1893 |
| Edith Thomas | Daughter | — | 14 | ~1916 |
| Edward Thomas | Son | — | 11 | ~1919 |
| Daisy Thomas | Spouse | — | 34 | ~1896 |
| Henry Thomas | Son | — | 6 | ~1924 |
| Philly Thomas | Daughter | — | 12 | ~1918 |
Census Appearances
1920
Evangeline, Louisiana
Son, age 9
Evangeline, Louisiana · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
St Mary, …
Son, age 19
St Mary, Louisiana · implied b. ~1911 — 8 household members
| Surname | Thomas |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | 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 Roy Thomas across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Roy Thomas
Son · 1930 · age 19 · b. ~1911 · Louisiana
★ You are viewing this record
Sibling
Edward Thomas
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philly Thomas
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Thomas
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Thomas
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Thomas
Sibling · 1930 · age 6
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:0822)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Carlo Cali | 38 | Head | Store Keeper | Italy |
| 52 | Lena Cali | 25 | Wife | — | Louisiana |
| 53 | Frank Cali | 10 | Son | — | Louisiana |
| 54 | Lorena Cali | 8 | Daughter | — | Louisiana |
| 55 | Lena Cali | 6 | Daughter | — | Louisiana |
| 56 | Felix Cali | 2 | Son | — | Louisiana |
| 57 | Lorena Lesto | 14 | Adopted | — | Louisiana |
| 58 | Frank Cali | 60 | Father | — | Italy |
| 59 | Lorena Cali | 60 | Mother | — | Italy |
| 60 | Felix Dixon | 35 | Head | Laborer | Louisiana |
| 61 | Elnora Dixon | 32 | Wife | — | Louisiana |
| 62 | Wilson Dixon | 13 | Son | — | Louisiana |
| 63 | James Mckinney | 45 | Head | Laborer | Louisiana |
| 64 | Ethel Mckinney | 42 | Wife | — | Louisiana |
| 65 | Clarence Mckinney | 14 | Son | — | Louisiana |
| 66 | Mary Mckinney | 12 | Daughter | — | Louisiana |
| 67 | Oscar Fletcher | 42 | Head | Laborer | Louisiana |
| 68 | Fanny Fletcher | 37 | Wife | — | Louisiana |
| 69 | Lucinda Fletcher | 4 | Daughter | — | Louisiana |
| 70 | Edward Fletcher | 2 | Son | — | Louisiana |
| 71 | Gus Jarret | 61 | Head | Laborer | Louisiana |
| 72 | Isabelle Jarret | 58 | Wife | Laborer | Louisiana |
| 73 | Emma Butler | 9 | Adopted | — | Louisiana |
| 74 | James Grogan | 25 | Head | Laborer | Louisiana |
| 75 | Mary Grogan | 22 | Wife | — | Louisiana |
| 76 | James Jr. Grogan | 3 | Son | — | Louisiana |
| 77 | Rosalie Grogan | 1 | Son | — | Louisiana |
| 78 | Walter Mathews | 26 | Head | Laborer | Louisiana |
| 79 | William Marcelle | 45 | Head | Logger | Louisiana |
| 80 | Lucille Marcelle | 31 | Wife | — | Louisiana |
| 81 | Charles Harrington | 30 | Head | Chauffeur | Louisiana |
| 82 | Ernestine Harrington | 28 | Wife | — | Louisiana |
| 83 | Margery Harrington | 7 | Daughter | — | Louisiana |
| 84 | Mary Louise Harrington | 6 | Daughter | — | Louisiana |
| 85 | Charles Jr. Harrington | 4 | Son | — | Louisiana |
| 86 | Modess Harrington | 2 | Daughter | — | Louisiana |
| 87 | Annie Chase | 46 | Guest | — | Louisiana |
| 88 | Frank Hudson | 65 | Head | Laborer | Louisiana |
| 89 | Eliza Hudson | 60 | Wife | — | Louisiana |
| 90 | James Bradford | 36 | Head | Laborer | Louisiana |
| 91 | Tracey Bradford | 32 | Wife | — | Louisiana |
| 92 | Howard Thomas | 37 | Head | Laborer | Louisiana |
| 93 | Daisy Thomas | 34 | Wife | Laundress | Louisiana |
| 94 | Eugene Thomas | 13 | Son | Laborer | Louisiana |
| 95 | Roy Thomas THIS PERSON | 19 | Son | — | Louisiana |
| 96 | Philly Thomas | 12 | Daughter | — | Louisiana |
| 97 | Edith Thomas | 14 | Daughter | — | Louisiana |
| 98 | Edward Thomas | 11 | Son | — | Louisiana |
| 99 | Henry Thomas | 6 | Son | — | Louisiana |
| 100 | Jack Gali | 52 | Head | — | Louisiana |
Related Census Records
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)