IT
Isaac Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Terrebonne-County, Louisiana
Our Model Tree links this Isaac Thompson across the 1920, 1930 and 1940 US Censuses in Terrebonne-County, Louisiana (XGBoost, ~Confirmed), with identified parents Arthur & Arthur — first a son (b.~1917), then head of a 12-person household.
Age 23
b. ~1917
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Terrebonne-County, Louisiana |
| Surname | Thompson |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 4 |
| 1935 Residence (County) | Terrebonne |
| Additional Details | |
| Occupation | Laborer factory |
| Industry | oyster factory |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 988 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Laborer Factory |
| Township / Ward | Police Jury Ward 4 |
| Est. Birth Year | ~1917 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Mageline Thompson | Daughter | — | 18 | ~1922 |
| Effie Thompson | Daughter | — | 3 | ~1937 |
| Zenobia Thompson | Spouse | — | 48 | ~1892 |
| Arthur Thompson | Son | — | 20 | ~1920 |
| Arthur Thompson | Head | — | 53 | ~1887 |
| Dora Thompson | Daughter | — | 7 | ~1933 |
| Isaac Thompson | Son | — | 23 | ~1917 |
| Francis Thompson | Daughter | — | 8 | ~1932 |
| Charlotte Thompson | Daughter | — | 12 | ~1928 |
| Hurge Thompson | Son | — | 16 | ~1924 |
| Enos Thompson | Son | — | 11 | ~1929 |
| Victoria Thompson | Daughter | — | 13 | ~1927 |
Census Appearances
1920
Terrebonne, Louisiana
Son, age 5
Terrebonne, Louisiana · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Terrebonne, Louisiana
Son, age 15
Terrebonne, Louisiana · implied b. ~1915 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tompson |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Oyster Factory |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Terrebonne-County, Louisiana
Son, age 23
Terrebonne-County, Louisiana · implied b. ~1917 — 12 household members
| Surname | Thompson |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 4 |
| 1935 Residence (County) | Terrebonne |
| Occupation | Laborer factory |
| Industry | oyster factory |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 988 |
| Highest Grade | No 4 |
| 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 Isaac Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Thompson (~0.92 confidence) and father Arthur Thompson (~0.92 confidence) and mother Lenora Tompson (~0.92 confidence) and mother Zenobia Thompson (~0.92 confidence) and mother Zenobia Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Thompson
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Arthur Thompson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Lenora Tompson
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Zenobia Thompson
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Zenobia Thompson
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Isaac Thompson
Son · 1940 · age 23 · b. ~1917 · Louisiana
★ You are viewing this record
Sibling
Enos Thompson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Victoria Thompson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dora Thompson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Effie Thompson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Thompson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Thompson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Thompson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mageline Thompson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hurge Thompson
Sibling · 1940 · age 16
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 — Terrebonne-County, Louisiana
Open full size
1940 US Federal Census — Terrebonne-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01459-00573)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John A. Carrere | 19 | Head | Laborer | Louisiana |
| 2 | Noah Matherne | 24 | Head | Fisherman | Louisiana |
| 3 | Hazel Matherne | 16 | Wife | — | Louisiana |
| 4 | John B. Boudreaux | 55 | Head | Pen Tender | Louisiana |
| 5 | Hilda Boudreaux | 27 | Housekeeper | Housekeeper | Louisiana |
| 6 | Johnnie Boudreaux | 3 | Son | — | Louisiana |
| 7 | Alvy Acoin | 7 | Step son | — | Louisiana |
| 8 | Edward Boudreaux | 75 | Father | Fisherman | Louisiana |
| 9 | Bertha Boudreaux | 22 | Wife | — | Louisiana |
| 10 | Eugenia M. Boudreaux | 3 | Daughter | — | Louisiana |
| 11 | Bertha R. Boudreaux | 2 | Daughter | — | Louisiana |
| 12 | Anatole Boudreaux | 83 | Head | — | Louisiana |
| 13 | Dennis Thibodeaux | 34 | Head | Fisherman | Louisiana |
| 14 | Marie Thibodeaux | 37 | Wife | — | Louisiana |
| 15 | Enella M. Thibodeaux | 9 | Daughter | — | Louisiana |
| 16 | Merlin J. Thibodeaux | 6 | Son | — | Louisiana |
| 17 | Vera M. Thibodeaux | 5 | Daughter | — | Louisiana |
| 18 | Edna May Thibodeaux | 0 | Daughter | — | Louisiana |
| 19 | Nita Pellegrin | 16 | Sister in law | — | Louisiana |
| 20 | Arthur Voisin | 37 | Head | Bus Driver | Louisiana |
| 21 | Annie M. Voisin | 32 | Wife | — | Louisiana |
| 22 | Loyala P. Voisin | 8 | Son | — | Louisiana |
| 23 | Arthur Voisin | 6 | Son | — | Louisiana |
| 24 | Joyce A. Voisin | 1 | Daughter | — | Louisiana |
| 25 | Arthur Thompson | 53 | Head | Farmer | Louisiana |
| 26 | Zenobia Thompson | 48 | Wife | Mid Wife | Louisiana |
| 27 | Isaac Thompson THIS PERSON | 23 | Son | Laborer Factory | Louisiana |
| 28 | Arthur Jr. Thompson | 20 | Son | Laborer Factory | Louisiana |
| 29 | Mageline M. Thompson | 18 | Daughter | — | Louisiana |
| 30 | Hurge Albert Thompson | 16 | Son | Oyster Opener | Louisiana |
| 31 | Victoria Thompson | 13 | Daughter | — | Louisiana |
| 32 | Charlotte Thompson | 12 | Daughter | — | Louisiana |
| 33 | Enos Thompson | 11 | Son | — | Louisiana |
| 34 | Francis Thompson | 8 | Daughter | — | Louisiana |
| 35 | Dora Lee Thompson | 7 | Daughter | — | Louisiana |
| 36 | Effie Thompson | 3 | Daughter | — | Louisiana |
| 37 | Evelyn Thibodeaux | 74 | Head | — | Louisiana |
| 38 | Shelly Thibodeaux | 42 | Son | Fisherman | Louisiana |
| 39 | Willie Lodgoic | 38 | Head | Laborer | Louisiana |
| 40 | Elane Lodgoic | 30 | Wife | — | Louisiana |
Pedigree Summary
Isaac + 9 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)