IL
Isaac Lewis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calcasieu-County, Louisiana
Our Model Tree links this Isaac Lewis across the 1930 and 1940 US Censuses in Calcasieu-County, Louisiana (XGBoost, ~Confirmed) — first a head (b.~1901), then head of a 9-person household.
Age 39
b. ~1901
Male
Head
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Calcasieu-County, Louisiana |
| Surname | Lewis |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Lake Charles |
| 1935 Residence (County) | Calcasieu |
| Additional Details | |
| Occupation | laborer |
| Industry | Utility Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 988 |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Laborer |
| Township / Ward | Lake Charles |
| Est. Birth Year | ~1901 |
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 Isaac | Age | Birth yr |
|---|---|---|---|---|
| Carroll Lewis | Son | — | 19 | ~1921 |
| Benjamin Lewis | Son | — | 16 | ~1924 |
| Arthur Lewis | Son | — | 11 | ~1929 |
| Isaac Lewis | Head | — | 39 | ~1901 |
| Velma Lewis | Spouse | — | 38 | ~1902 |
| Mialond Lewis | Son | — | 5 | ~1935 |
| Ogden Lewis | Son | — | 13 | ~1927 |
| Lesby Lewis | Daughter | — | 7 | ~1933 |
| James Lewis | Son | — | 1 | ~1939 |
Census Appearances
1930
Calcasieu, Louisiana
Head, age 31
Calcasieu, Louisiana · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Israel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 20 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Brick yard |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5 |
| Veteran | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Calcasieu-County, Louisiana
Head, age 39
Calcasieu-County, Louisiana · implied b. ~1901 — 9 household members
| Surname | Lewis |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Lake Charles |
| 1935 Residence (County) | Calcasieu |
| Occupation | laborer |
| Industry | Utility Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 988 |
| Highest Grade | No 3 |
| 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 Isaac Lewis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Isaac Lewis
Head · 1940 · age 39 · b. ~1901 · 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-t0627-01390-00177)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lillie Sterling | 52 | Wife | — | Louisiana |
| 42 | Louis Declouitt | 46 | Head | Baker | Louisiana |
| 43 | Laura Declouitt | 40 | Wife | — | Louisiana |
| 44 | Mildred Declouitt | 13 | Daughter | — | Louisiana |
| 45 | Mary Lou Thomas | 61 | Head | Servant | Louisiana |
| 46 | Herman Willis | 42 | Son | — | Louisiana |
| 47 | Amy Dykes | 84 | Mother | — | Louisiana |
| 48 | Bessie Marie Taylor | 42 | Head | Servant | Louisiana |
| 49 | George Taylor | 15 | son | New Worker | Louisiana |
| 50 | William Taylor | 13 | son | — | Louisiana |
| 51 | Robert Taylor | 8 | son | — | Louisiana |
| 52 | Luther Paul | 35 | lodger | Laborer | Louisiana |
| 53 | William Schesnayder | 34 | lodger | Laborer | Louisiana |
| 54 | Matthew Baker | 67 | Head | — | Alabama |
| 55 | Hattie Baker | 43 | Wife | — | Louisiana |
| 56 | Thelma Williams | 26 | Step daughter | — | Louisiana |
| 57 | Dorothy Mae Williams | 11 | Step daughter | — | Louisiana |
| 58 | Ella Grant | 52 | Head | Laundress | Louisiana |
| 59 | Ida Green | 34 | daughter | Servant | Louisiana |
| 60 | Clifton Jones | 17 | grandson | Laborer | Louisiana |
| 61 | Alton Belvin | 8 | grandson | — | Louisiana |
| 62 | Anna Thomas | 19 | daughter | Servant | Louisiana |
| 63 | Dorothy Kinchen | 19 | granddaughter | Servant | Louisiana |
| 64 | Columbus Jackson | 23 | lodger | Carpenter | Louisiana |
| 65 | Emma Jackson | 20 | lodger wife | Servant | Louisiana |
| 66 | Rose Mary Banks | 16 | lodger | Servant | Texas |
| 67 | Leray Love | 13 | grandson | — | Louisiana |
| 68 | Isaac Lewis THIS PERSON | 39 | Head | Laborer | Louisiana |
| 69 | Velma Lewis | 38 | Wife | Servant | Louisiana |
| 70 | Carroll Lewis | 19 | son | — | Louisiana |
| 71 | Benjamin Lewis | 16 | son | — | Louisiana |
| 72 | Ogden Lewis | 13 | son | — | Louisiana |
| 73 | Arthur Lewis | 11 | son | — | Louisiana |
| 74 | Lesby Lewis | 7 | daughter | — | Louisiana |
| 75 | Mialond Lewis | 5 | son | — | Louisiana |
| 76 | James Lewis | 1 | son | — | Louisiana |
| 77 | Johnnie Lewis | 26 | Head | 26 | Louisiana |
| 78 | Beulah Lewis | 27 | Wife | Servant | Louisiana |
| 79 | Mary Cradeur | 43 | Head | — | Louisiana |
| 80 | Phileis Simms | 18 | son | Laborer | Texas |
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)