FT
Fred Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Iberville-County, Louisiana
Our Model Tree links this Fred Thomas across the 1920, 1930 and 1940 US Censuses in Iberville-County, Louisiana (XGBoost, ~Confirmed), with identified parents George & John — first a son (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Iberville-County, Louisiana |
| Surname | Thomas |
| Given Name | Fred H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Plaquemine City |
| 1935 Residence (County) | Iberville |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Plaquemine City |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Fred | Age | Birth yr |
|---|---|---|---|---|
| George Thomas | Head | — | 51 | ~1889 |
| James Thomas | Son | — | 32 | ~1908 |
| Fred Thomas | Son | — | 31 | ~1909 |
| Josephine Thomas | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Iberville, Louisiana
Son, age 16
Iberville, Louisiana · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Freddie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Farmer |
| Industry | Cotton |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Iberville, Louisiana
Son, age 21
Iberville, Louisiana · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Freddie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Age at First Marriage | 21 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Iberville-County, Louisiana
Son, age 31
Iberville-County, Louisiana · implied b. ~1909 — 4 household members
| Surname | Thomas |
| Given Name | Fred H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Plaquemine City |
| 1935 Residence (County) | Iberville |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| 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 Fred Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Thomas (~0.92 confidence) and father John Thomas (~0.92 confidence) and mother Josephine Thomas (~0.92 confidence) and mother Mary Thomas (~0.60 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
George Thomas
b. ~1887
Source father
● Household
· direct · ~0.92
Father
John Thomas
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Josephine Thomas
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1895
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Fred Thomas
Son · 1940 · age 31 · b. ~1909 · Louisiana
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Sibling
James Thomas
Sibling · 1940 · age 32
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-t0627-01404-00185)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lulu Bell Contd | 17 | Daughter | — | Louisiana |
| 42 | Theodore C. Bergeron | 61 | Head | Sawfiler | Louisiana |
| 43 | Maybelle A. Bergeron | 61 | Wife | — | Louisiana |
| 44 | Rosemary Bergeron | 21 | Daughter | Typist | Louisiana |
| 45 | Celestine Bergeron | 21 | Daughter | Attendant | Louisiana |
| 46 | Alton C. Bergeron | 17 | Son | — | Louisiana |
| 47 | Allen H. Bergeron | 55 | Head | Carpentry | Louisiana |
| 48 | Hilda B. Bergeron | 43 | Wife | — | Louisiana |
| 49 | James C. Bergeron | 14 | Son | — | Louisiana |
| 50 | Patrick Bergeron | 34 | Brother | Fireman | Louisiana |
| 51 | Wesley H. Ricker | 32 | Head | Chemical Engineer | Colorado |
| 52 | Regina W. Ricker | 27 | Wife | — | Arkansas |
| 53 | George Thomas | 51 | Head | Assistant Plumber | Louisiana |
| 54 | Josephine Thomas | 50 | Wife | — | Louisiana |
| 55 | James E. Thomas | 32 | Son | — | Louisiana |
| 56 | Fred H. Thomas THIS PERSON | 31 | Son | — | Louisiana |
| 57 | Tom Washington | 60 | Head | — | Louisiana |
| 58 | David Washington | 54 | Brother | — | Louisiana |
| 59 | Elizabeth Ellis | 65 | Head | Laundress | Louisiana |
| 60 | Louis B. Le Blanc | 76 | Head | Treasurer | Louisiana |
| 61 | Wilbur Harold Le Blanc | 44 | Son | Proprietor | Penn |
| 62 | Olivia L. Le Blanc | 42 | Daughter | — | Louisiana |
| 63 | Clemence B. Arnault | 47 | Head | — | Louisiana |
| 64 | Mary H. Arnault | 18 | Daughter | — | Louisiana |
| 65 | Ewell J. Thompson | 62 | Lodger | Waiter | Louisiana |
| 66 | Henry Beraud | 79 | Head | — | Louisiana |
| 67 | Estelle U. Beraud | 75 | Wife | — | France |
| 68 | Mary A. Penn | 45 | Head | Telephone Operator | Louisiana |
| 69 | Sam Le Blanc | 50 | Head | Salesman | Louisiana |
| 70 | Undie J. Le Blanc | 50 | Wife | — | Louisiana |
| 71 | Ralph J. Le Blanc | 21 | Son | Clerk | Louisiana |
| 72 | Leon Le Blanc | 20 | Son | Mechanic | Louisiana |
| 73 | Sterling Le Blanc | 17 | Son | — | Louisiana |
| 74 | Bernadine Le Blanc | 13 | Daughter | — | Louisiana |
| 75 | Charles J. Reichert | 50 | Head | Buyer | Louisiana |
| 76 | Elise B. Reichert | 53 | Wife | Beautician | Louisiana |
| 77 | Florence Reichert | 27 | Daughter | Teacher | Louisiana |
| 78 | Mary S. Ganas | 53 | Head | — | Louisiana |
| 79 | Robert J. Lewis | 30 | Son | Laborer | Louisiana |
| 80 | Mary M. Lewis | 30 | Daughter | Stenographer | Louisiana |
Pedigree Summary
Fred + 1 sibling
Gen 1 · 4 parents
~0.84
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)