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Joseph Simon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-James-County, Louisiana
Our Model Tree links this Joseph Simon across the 1930 and 1940 US Censuses in St.-James-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-James-County, Louisiana |
| Surname | Simon |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Vacherie |
| 1935 Residence (County) | St. James |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Vacherie |
| Est. Birth Year | ~1928 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Sidonia Simon | Daughter | — | 5 | ~1935 |
| Ralph Simon | Son | — | 17 | ~1923 |
| Sidonia Simon | Spouse | — | 35 | ~1905 |
| Joseph Simon | Son | — | 12 | ~1928 |
| Denis Simon | Son | — | 4 | ~1936 |
| Clothilde Simon | Daughter | — | 2 | ~1938 |
| William Simon | Son | — | 10 | ~1930 |
| Wilberine Simon | Daughter | — | 14 | ~1926 |
| Jessie Simon | Son | — | 9 | ~1931 |
| William Simon | Head | — | 47 | ~1893 |
Census Appearances
1930
St Maurice, …
Son, age 2
St Maurice, Louisiana · implied b. ~1928 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simon |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
St.-James-County, Louisiana
Son, age 12
St.-James-County, Louisiana · implied b. ~1928 — 10 household members
| Surname | Simon |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Vacherie |
| 1935 Residence (County) | St. James |
| Highest Grade | 3 |
| 1935 Residence | Louisiana |
| 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 Joseph Simon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Simon
Son · 1940 · age 12 · b. ~1928 · Louisiana
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Sibling
Jessie Simon
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Denis Simon
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clothilde Simon
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Simon
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Simon
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilberine Simon
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sidonia Simon
Sibling · 1940 · age 5
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 — St.-James-County, Louisiana
Open full size
1940 US Federal Census — St.-James-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01449-00242)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Costly | 15 | Daughter | — | Louisiana |
| 42 | Mary Costly | 12 | Daughter | — | Louisiana |
| 43 | Benny Jr. Costly | 10 | Son | — | Louisiana |
| 44 | Georgina Costly | 7 | Daughter | — | Louisiana |
| 45 | Joseph Costly | 6 | Son | — | Louisiana |
| 46 | Nelly Ann Costly | 1 | Daughter | — | Louisiana |
| 47 | Bartholomew Jeffrey | 62 | Head | — | Louisiana |
| 48 | Adela Jeffrey | 59 | Wife | — | Louisiana |
| 49 | Hatie Jeffrey | 17 | Daughter | Housekeeper | Louisiana |
| 50 | Webster Jeffrey | 25 | Son | Laborer | Louisiana |
| 51 | William Simon | 47 | Head | Common Labor | Louisiana |
| 52 | Sidonia Simon | 35 | Wife | — | Louisiana |
| 53 | Ralph Simon | 17 | Son | — | Louisiana |
| 54 | Wilberine Simon | 14 | Daughter | — | Louisiana |
| 55 | Joseph Simon THIS PERSON | 12 | Son | — | Louisiana |
| 56 | William Jr. Simon | 10 | Son | — | Louisiana |
| 57 | Jessie Simon | 9 | Son | — | Louisiana |
| 58 | Sidonia Simon | 5 | Daughter | — | Louisiana |
| 59 | Denis Simon | 4 | Son | — | Louisiana |
| 60 | Clothilde Simon | 2 | Daughter | — | Louisiana |
| 61 | Amos Johnson | 71 | Head | — | Louisiana |
| 62 | Louis Williams | 25 | Head | Field Work | Louisiana |
| 63 | Cardie Williams | 22 | Wife | — | Louisiana |
| 64 | Al Williams | 6 | Son | — | Louisiana |
| 65 | Irma Williams | 5 | Daughter | — | Louisiana |
| 66 | James Williams | 1 | Daughter | — | Louisiana |
| 67 | Earl Zenon | 32 | Head | Common Labor | Louisiana |
| 68 | Leona Zenon | 28 | Wife | — | Louisiana |
| 69 | Earl Jr. Zenon | 11 | Son | — | Louisiana |
| 70 | Clarence Zenon | 9 | Son | — | Louisiana |
| 71 | Camille Zenon | 7 | Son | — | Louisiana |
| 72 | Joseph Heard | 28 | Head | Common Labor | Louisiana |
| 73 | Elmina Heard | 20 | Wife | — | Louisiana |
| 74 | Lillie Mae Heard | 8 | Daughter | — | Louisiana |
| 75 | Carol Mae Heard | 6 | Daughter | — | Louisiana |
| 76 | Dolores Heard | 5 | Daughter | — | Louisiana |
| 77 | Joseph Heard | 2 | Son | — | Louisiana |
| 78 | Nathalie Heard | 0 | Daughter | — | Louisiana |
| 79 | Perduce Faucheaux | 40 | Head | Laborer | Louisiana |
| 80 | Marshall Faucheaux | 38 | Wife | — | 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)