IB
Isaac Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Iberville-County, Louisiana
Our Model Tree links this Isaac Brown across the 1920, 1930 and 1940 US Censuses in Iberville-County, Louisiana (XGBoost, ~Confirmed), with identified parents Noel & Mamie — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Iberville-County, Louisiana |
| Surname | Brown |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 9 |
| 1935 Residence (County) | Iberville |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 316 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Laborer |
| Township / Ward | Ward 9 |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Alzen Brown | Daughter | — | 17 | ~1923 |
| Jeff Brown | Head | — | 46 | ~1894 |
| Isaac Brown | Son | — | 22 | ~1918 |
| Elie Brown | Son | — | 14 | ~1926 |
| Willie Brown | Son | — | 11 | ~1929 |
| Charlotte Brown | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Concordia, Louisiana
Son, age 1
Concordia, Louisiana · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Isaiah |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Iberville, Louisiana
Son, age 11
Iberville, Louisiana · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Isiah |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| 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 22
Iberville-County, Louisiana · implied b. ~1918 — 6 household members
| Surname | Brown |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 9 |
| 1935 Residence (County) | Iberville |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 316 |
| Highest Grade | No 2 |
| 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 Brown across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Noel Brown (~0.92 confidence) and mother Mamie Brown (~0.92 confidence) and father Jeff Brown (~0.92 confidence) and father Albert Brown (~0.92 confidence) and mother Charlotte Brown (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Noel Brown
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Mamie Brown
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Jeff Brown
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Albert Brown
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Charlotte Brown
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Isaac Brown
Son · 1940 · age 22 · b. ~1918 · Louisiana
★ You are viewing this record
Sibling
Alzen Brown
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elie Brown
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Brown
Sibling · 1940 · age 11
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-t0627-01404-00730)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Voriese Bolden | 37 | Head | Yard Boy | Louisiana |
| 42 | James Baptiste | 40 | Head | Laborer | Louisiana |
| 43 | Lilly Baptiste | 31 | Wife | — | Louisiana |
| 44 | Louis Baptiste | 88 | Father | — | Louisiana |
| 45 | James Moore | 50 | Head | Laborer | Louisiana |
| 46 | Ellen Moore | 35 | Wife | — | Louisiana |
| 47 | Ida Moore | 1 | Daughter | — | Louisiana |
| 48 | Moore Violen | 50 | Head | Laborer | Louisiana |
| 49 | Florence Anderson | 40 | Wife | — | Louisiana |
| 50 | Henry Casey | 39 | Head | — | Louisiana |
| 51 | Ceola Casey | 38 | Wife | Laborer | Louisiana |
| 52 | William Casey | 20 | Son | Laborer | Louisiana |
| 53 | Charlie William | 51 | Head | Laborer | Louisiana |
| 54 | Roosevelt Garner | 30 | Head | Laborer | Louisiana |
| 55 | Lillie Garner | 28 | Wife | Laborer | Louisiana |
| 56 | Jamie Garner | 15 | Daughter | — | Louisiana |
| 57 | Charlie Garner | 14 | Son | — | Louisiana |
| 58 | Willie Taylor | 45 | Lodger | Laborer | Louisiana |
| 59 | Auther Field | 33 | Head | — | Louisiana |
| 60 | Rachel Field | 70 | Wife | — | Louisiana |
| 61 | Lessie B Thompson | 6 | Daughter | — | Louisiana |
| 62 | Cornilia Thompson | 3 | Daughter | — | Louisiana |
| 63 | Robert Oliver | 42 | Head | Laborer | Louisiana |
| 64 | Josephine Oliver | 43 | Wife | — | Louisiana |
| 65 | Luke Tyler | 47 | Head | Laborer | Louisiana |
| 66 | Rosena Tyler | 43 | Wife | — | Louisiana |
| 67 | Isaac Tyler | 20 | Son | — | Louisiana |
| 68 | Roena Tyler | 9 | Daughter | — | Louisiana |
| 69 | Albert Gilbert | 39 | Head | Tractor Driver | Louisiana |
| 70 | Beatrice Gilbert | 36 | Wife | — | Louisiana |
| 71 | George Fowler | 13 | Nephew | — | Louisiana |
| 72 | Anna Mae Gilbert | 8 | Niece | — | Louisiana |
| 73 | Floya Gilbert | 5 | Niece | — | Louisiana |
| 74 | Albert Gilbert | 2 | Nephew | — | Louisiana |
| 75 | Jeff Brown | 46 | Head | Laborer | Louisiana |
| 76 | Charlotte Brown | 42 | Wife | — | Louisiana |
| 77 | Isaac Brown THIS PERSON | 22 | Son | Laborer | Louisiana |
| 78 | Alzen Brown | 17 | Daughter | Laborer | Louisiana |
| 79 | Elie Brown | 14 | Son | — | Louisiana |
| 80 | Willie Brown | 11 | Son | — | Louisiana |
Pedigree Summary
Isaac + 3 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)