TR
Thomas Robertson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Iberville-County, Louisiana
Our Model Tree links this Thomas Robertson across the 1930 and 1940 US Censuses in Iberville-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 13-person household.
Age 20
b. ~1920
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Iberville-County, Louisiana |
| Surname | Robertson |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Grosse Tete Village |
| 1935 Residence (County) | Iberville |
| Additional Details | |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 70 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Laborer |
| Township / Ward | Grosse Tete Village |
| Est. Birth Year | ~1920 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Ora Robertson | Daughter | — | 7 | ~1933 |
| Adam Robertson | Son | — | 2 | ~1938 |
| Beatrice Robertson | Daughter | — | 15 | ~1925 |
| Nellie Robertson | Spouse | — | 44 | ~1896 |
| Nellie Robertson | Daughter | — | 4 | ~1936 |
| Son Jhon Douglas | Other | — | — | |
| Thomas Robertson | Son | — | 20 | ~1920 |
| Bill Robertson | Head | — | 48 | ~1892 |
| Hosey Robertson | Son | — | 9 | ~1931 |
| Evelena Robertson | Daughter | — | 13 | ~1927 |
| Isaiah Robertson | Son | — | 11 | ~1929 |
| James Robertson | Son | — | 17 | ~1923 |
| Mattie Blanchard | Daughter | — | 20 | ~1920 |
Census Appearances
1930
West Baton …
Son, age 9
West Baton Rouge, Louisiana · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Thomas |
| 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/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Iberville-County, Louisiana
Son, age 20
Iberville-County, Louisiana · implied b. ~1920 — 13 household members
| Surname | Robertson |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Grosse Tete Village |
| 1935 Residence (County) | Iberville |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 70 |
| 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 Thomas Robertson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Robertson
Son · 1940 · age 20 · b. ~1920 · Louisiana
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Sibling
Evelena Robertson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hosey Robertson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Robertson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isaiah Robertson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adam Robertson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ora Robertson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Robertson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mattie Blanchard
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Robertson
Sibling · 1940 · age 15
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 — Iberville-County, Louisiana
Open full size
1940 US Federal Census — Iberville-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01404-00587)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Calvin Giebert | 21 | grandson | Laborer | Louisiana |
| 2 | Adele Cheese | 63 | Head | Laundress | Louisiana |
| 3 | Bill Robertson | 48 | Head | Laborer | Louisiana |
| 4 | Nellie Robertson | 44 | wife | — | Louisiana |
| 5 | Thomas Robertson THIS PERSON | 20 | son | Laborer | Louisiana |
| 6 | James Robertson | 17 | son | — | Louisiana |
| 7 | Beatrice Robertson | 15 | daughter | — | Louisiana |
| 8 | Evelena Robertson | 13 | daughter | — | Louisiana |
| 9 | Isaiah Robertson | 11 | son | — | Louisiana |
| 10 | Hosey Robertson | 9 | son | — | Louisiana |
| 11 | Ora Bell Robertson | 7 | daughter | — | Louisiana |
| 12 | Nellie Robertson | 4 | daughter | — | Louisiana |
| 13 | Adam Bill Robertson | 2 | son | — | Louisiana |
| 14 | Son Jhon Douglas | None | M | — | — |
| 15 | Mattie Blanchard | 20 | daughter | Housegirl | Louisiana |
| 16 | Cornelius James | 22 | Head | Laborer | Louisiana |
| 17 | Nettie James | 20 | wife | — | Louisiana |
| 18 | Vitchel Blanchard | 26 | Head | Laborer | Louisiana |
| 19 | Mayola Blanchard | 26 | wife | — | Louisiana |
| 20 | Beverly Ann Blanchard | 1 | daughter | — | Louisiana |
| 21 | Mary Tate | 65 | Head | — | Louisiana |
| 22 | Pat Williams | 40 | son | Laborer | Louisiana |
| 23 | Nicie Debouse | 65 | Head | Laundress | Louisiana |
| 24 | William Rich | 35 | Head | Rotary Worker | Missouri |
| 25 | Phylis Rich | 37 | wife | — | Oklahoma |
| 26 | Billy Joe Rich | 13 | son | — | Oklahoma |
| 27 | Darrel Rich | 11 | son | — | Oklahoma |
| 28 | Schila Rich | 10 | daughter | — | Louisiana |
| 29 | Dempsey Charleville | 27 | Head | Janitor | Louisiana |
| 30 | Myra Charleville | 23 | wife | — | Louisiana |
| 31 | Jhon B Hrizzell | 21 | Head | Rotary Helper | Texas |
| 32 | Mary Euphemia Hrizzell | 18 | wife | — | Louisiana |
| 33 | Jo Alice Hrizzell | 1 | daughter | — | Louisiana |
| 34 | Benjamin Jeffrion | 64 | Head | — | Louisiana |
| 35 | Arthur Jeffrion | 55 | Head | Logger | Louisiana |
| 36 | Zeleide Jeffrion | 42 | wife | — | Louisiana |
| 37 | Florence Jeffrion | 15 | daughter | — | Louisiana |
| 38 | Joyce Jeffrion | 13 | daughter | — | Louisiana |
| 39 | Jacqueline Jeffrion | 8 | daughter | — | Louisiana |
| 40 | Arthur C. Jr. Jeffrion | 1 | son | — | 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)