LM
Louis Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calcasieu-County, Louisiana
Our Model Tree links this Louis Martin across the 1930 and 1940 US Censuses in Calcasieu-County, Louisiana (XGBoost, ~Confirmed) — first a head (b.~1905), then head of a 9-person household.
Age 35
b. ~1905
Male
Head
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Calcasieu-County, Louisiana |
| Surname | Martin |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Calcasieu |
| Additional Details | |
| Occupation | Farm hand |
| Industry | High land farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 128 |
| Highest Grade | No 4 |
| 1935 Residence | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Farm Hand |
| Township / Ward | Southwest Sulphur |
| Est. Birth Year | ~1905 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Louise Martin | Daughter | — | 11 | ~1929 |
| Louis Martin | Head | — | 35 | ~1905 |
| Arhelia Martin | Daughter | — | ~1940 | |
| Louis Martin | Son | — | 8 | ~1932 |
| Velma Martin | Daughter | — | 9 | ~1931 |
| Ruby Martin | Daughter | — | 2 | ~1938 |
| Bessie Martin | Daughter | — | 6 | ~1934 |
| Mitchell King | Other | — | 22 | ~1918 |
| Mabel Martin | Spouse | — | 30 | ~1910 |
Census Appearances
1930
Calcasieu, Louisiana
Head, age 24
Calcasieu, Louisiana · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 22 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Texas |
| Occupation | Laborer |
| Industry | Highway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 8 |
| Veteran | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Calcasieu-County, Louisiana
Head, age 35
Calcasieu-County, Louisiana · implied b. ~1905 — 9 household members
| Surname | Martin |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Calcasieu |
| Occupation | Farm hand |
| Industry | High land farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 128 |
| Highest Grade | No 4 |
| 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 Louis Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Louis Martin
Head · 1940 · age 35 · b. ~1905 · Louisiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Calcasieu-County, Louisiana
Open full size
1940 US Federal Census — Calcasieu-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01391-00180)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eve Hebert | 30 | Wife | — | Louisiana |
| 2 | Evans Hebert | 12 | Son | — | Louisiana |
| 3 | Ana Mae Hebert | 11 | Daughter | — | Louisiana |
| 4 | Jack Melvin Hebert | 7 | Son | — | Louisiana |
| 5 | Jimmie Ruth Hebert | 2 | Daughter | — | Louisiana |
| 6 | Josephine Dugas | 65 | Mother | — | Louisiana |
| 7 | Pascal Domingue | 60 | Head | Farmer | Louisiana |
| 8 | James Edgar Vincent | 68 | Head | Farmer | Louisiana |
| 9 | Melina Vincent | 64 | Wife | — | Louisiana |
| 10 | Herman Vincent | 30 | Son | Digger Hand | Louisiana |
| 11 | Albert Young | 52 | Head | Fireman | Louisiana |
| 12 | Melena Young | 37 | Wife | — | Louisiana |
| 13 | Gillard J. Young | 19 | Son | Farm Hand | Louisiana |
| 14 | Ovel Vincent | 33 | Head | Farm Hand | Louisiana |
| 15 | Thelma Vincent | 25 | Wife | — | Louisiana |
| 16 | Louis Martin THIS PERSON | 35 | Head | Farm Hand | Louisiana |
| 17 | Mabel Martin | 30 | Wife | — | Louisiana |
| 18 | Louise Martin | 11 | Daughter | — | Louisiana |
| 19 | Velma Lee Martin | 9 | Daughter | — | Louisiana |
| 20 | Louis, Jr. Martin | 8 | Son | — | Louisiana |
| 21 | Bessie Lee Martin | 6 | Daughter | — | Louisiana |
| 22 | Ruby Anne Martin | 2 | Daughter | — | Louisiana |
| 23 | Arhelia Martin | 0 | Daughter | — | Louisiana |
| 24 | Mitchell King | 22 | Lodger | — | Louisiana |
| 25 | Rufus Hebert | 32 | Head | Farm Hand | Louisiana |
| 26 | Anna Hebert | 17 | Wife | — | Louisiana |
| 27 | Joseph Young | 28 | Head | — | S. Texas |
| 28 | Mary Young | 22 | Wife | — | Louisiana |
| 29 | Lizzie Moss | 73 | Head | — | Louisiana |
| 30 | Andrew Moss | 42 | Son | Farm Hand | Louisiana |
| 31 | Lee Oquinn | 40 | Head | W.P.A. Laborer | Louisiana |
| 32 | Vernie Oquinn | 27 | Wife | — | Louisiana |
| 33 | Milton Lee Oquinn | 12 | Son | — | Louisiana |
| 34 | Roy Eugene Oquinn | 10 | Son | — | Louisiana |
| 35 | Joanna Oquinn | 7 | Daughter | — | Louisiana |
| 36 | Geraldine Oquinn | 3 | Daughter | — | Louisiana |
| 37 | William Ray Oquinn | 1 | Son | — | Louisiana |
| 38 | Pete Mars | 38 | Head | W.P.A. Laborer | Louisiana |
| 39 | Letha Mae Mars | 6 | Daughter | — | Louisiana |
| 40 | Wilburn Mars | 4 | Son | — | Louisiana |
Related Census Records
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)