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Grace Thompson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Mary, Louisiana
Our Model Tree links this Grace Thompson across the 1920 and 1930 US Censuses in St Mary, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1911), then head of a 29-person household.
Age 19
b. ~1911
Female
Daughter
Born: Louisiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Mary, Louisiana |
| Surname | Thompson |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| 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 | Police Jury Ward Part Of |
| 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.
29 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Grace Thompson | Daughter | — | 19 | ~1911 |
| Georgiana Thompson | Daughter | — | 17 | ~1913 |
| Mabel Thompson | Daughter | — | 24 | ~1906 |
| Eva Bourg | Daughter | — | 6 | ~1924 |
| Lucille Guillott | Daughter | — | 19 | ~1911 |
| Florence Guillott | Daughter | — | 8 | ~1922 |
| Joseph Bourg | Head | — | 43 | ~1887 |
| Lucian Bourgeois | Other | — | 40 | ~1890 |
| Line Thompson | Other | — | 55 | ~1875 |
| Marcelin Guillott | Other | — | 43 | ~1887 |
| Louis Thomas | Other | — | 36 | ~1894 |
| Joe Thompson | Other | — | 26 | ~1904 |
| Alice Thomas | Other | — | 54 | ~1876 |
| Calvin Thompson | Son | — | 5 | ~1925 |
| Lloyd Bourgeois | Son | — | 16 | ~1914 |
| Ernest Guillott | Son | — | 17 | ~1913 |
| Ulysses Bourgeois | Son | — | 18 | ~1912 |
| Joseph Bourgeois | Son | — | 6 | ~1924 |
| Nolan Guillott | Son | — | 5 | ~1925 |
| John Guillott | Son | — | 6 | ~1924 |
| Jack Bourgeois | Son | — | 14 | ~1916 |
| Clarence Guillott | Son | — | 11 | ~1919 |
| Shirley Guillott | Son | — | 15 | ~1915 |
| Marcelin Guillott | Son | — | 13 | ~1917 |
| Ellana Bourgeois | Spouse | — | 39 | ~1891 |
| Selina Thompson | Spouse | — | 25 | ~1905 |
| Lucille Guillott | Spouse | — | 39 | ~1891 |
| Georgiana Thompson | Spouse | — | 49 | ~1881 |
| Victoria Bourg | Spouse | — | 38 | ~1892 |
Census Appearances
1920
St Mary, …
Other, age 7
St Mary, Louisiana · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Grace |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
St Mary, …
Daughter, age 19
St Mary, Louisiana · implied b. ~1911 — 29 household members
| Surname | Thompson |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| 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 Grace Thompson across 2 US Census years (1920 and 1930) in St Mary, Louisiana, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Thompson
Daughter · 1930 · age 19 · b. ~1911 · Louisiana
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Sibling
Florence Guillott
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcelin Guillott
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvin Thompson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Guillott
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Guillott
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Bourgeois
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nolan Guillott
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Bourgeois
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Bourg
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Georgiana Thompson
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Guillott
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ulysses Bourgeois
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Guillott
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Bourgeois
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Guillott
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Thompson
Sibling · 1930 · age 24
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:0484)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lillian | 40 | Daughter | — | Louisiana |
| 52 | Edward Aucoin | 39 | Head | Merchant | Louisiana |
| 53 | Fabola Aucoin | 37 | Wife | — | Louisiana |
| 54 | Percy Aucoin | 16 | Son | — | Louisiana |
| 55 | Beverly Aucoin | 14 | Daughter | — | Louisiana |
| 56 | Fabola Aucoin | 8 | Daughter | — | Louisiana |
| 57 | Felix Guillott | 32 | R | Overseer | Louisiana |
| 58 | Evelyn Guillott | 21 | Wife | — | Louisiana |
| 59 | Edna Guillott | 5 | Daughter | — | Louisiana |
| 60 | Edward Guillott | 3 | Son | — | Louisiana |
| 61 | Loudella Guillott | 2 | Daughter | — | Louisiana |
| 62 | Lloyd Guillott | 0 | Son | — | Louisiana |
| 63 | Joseph Bourg | 38 | R | Laborer | Louisiana |
| 64 | Lilly Bourg | 30 | Wife | — | Louisiana |
| 65 | Corine Bourg | 14 | Daughter | Servant | Louisiana |
| 66 | Lilly Bourg | 13 | Daughter | Servant | Louisiana |
| 67 | Joseph Bourg | 12 | Son | — | Louisiana |
| 68 | Clarence Bourg | 10 | Son | — | Louisiana |
| 69 | Lester Bourg | 8 | Son | — | Louisiana |
| 70 | Lester Bourg | 6 | Son | — | Louisiana |
| 71 | Edwina Bourg | 4 | Daughter | — | Louisiana |
| 72 | Joseph Bourg | 43 | Head | Blacksmith | Louisiana |
| 73 | Victoria Bourg | 38 | Wife | — | Louisiana |
| 74 | Eva Mae Bourg | 6 | Daughter | — | Louisiana |
| 75 | Marcelin Guillott | 43 | R | Farmer | Louisiana |
| 76 | Lucille Guillott | 39 | Wife | — | Louisiana |
| 77 | Lucille Guillott | 19 | Daughter | Laborer | Louisiana |
| 78 | Ernest Guillott | 17 | Son | — | Louisiana |
| 79 | Shirley Guillott | 15 | Son | — | Louisiana |
| 80 | Marcelin Guillott | 13 | Son | — | Louisiana |
| 81 | Clarence Guillott | 11 | Son | — | Louisiana |
| 82 | Florence Guillott | 8 | Daughter | — | Louisiana |
| 83 | John Guillott | 6 | Son | — | Louisiana |
| 84 | Nolan Guillott | 5 | Son | — | Louisiana |
| 85 | Louis Thomas | 36 | R | Laborer | Louisiana |
| 86 | Alice Thomas | 54 | Mother | Laborer | Louisiana |
| 87 | Joe Thompson | 26 | R | Laborer | Louisiana |
| 88 | Selina Thompson | 25 | Wife | — | Louisiana |
| 89 | Calvin Thompson | 5 | Son | — | Louisiana |
| 90 | Line Thompson | 55 | R | Farmer | Louisiana |
| 91 | Georgiana Thompson | 49 | Wife | — | Louisiana |
| 92 | Mabel Thompson | 24 | Daughter | — | Louisiana |
| 93 | Grace Thompson THIS PERSON | 19 | Daughter | — | Louisiana |
| 94 | Georgiana Thompson | 17 | Daughter | — | Louisiana |
| 95 | Lucian Bourgeois | 40 | R | Mechanic | Louisiana |
| 96 | Ellana Bourgeois | 39 | Wife | — | Louisiana |
| 97 | Ulysses Bourgeois | 18 | Son | Laborer | Louisiana |
| 98 | Lloyd Bourgeois | 16 | Son | — | Louisiana |
| 99 | Jack Bourgeois | 14 | Son | — | Louisiana |
| 100 | Joseph Bourgeois | 6 | 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)