IL
Isaac Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Harrison-County, Texas
Our Model Tree links this Isaac Lewis across the 1920, 1930 and 1940 US Censuses in Harrison-County, Texas (XGBoost, ~Confirmed), with identified parents Mandy — first a head (b.~1900), then head of a 3-person household.
Age 40
b. ~1900
Male
Head
Born: Texas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Texas |
| Surname | Lewis |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Marshall City |
| 1935 Residence (County) | Harrison |
| Additional Details | |
| Occupation | Laborer |
| Industry | Cotton Oil Mill |
| Class of Worker | PW |
| Hours Worked | 77 |
| Income (1939) | 448 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Laborer |
| Township / Ward | Marshall City |
| Est. Birth Year | ~1900 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Isaac Lewis | Head | — | 40 | ~1900 |
| Eula Lewis | Spouse | — | 39 | ~1901 |
| Juanita Lewis | Daughter | — | 18 | ~1922 |
Census Appearances
1920
Harrison, Texas
Son, age 17
Harrison, Texas · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mulatto |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | Laborer |
| Industry | Oil Mill |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Harrison, Texas
Head, age 29
Harrison, Texas · implied b. ~1901 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Texas |
| Age at First Marriage | 25 |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | Laborer |
| Industry | Meat Market |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Veteran | No |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Harrison-County, Texas
Head, age 40
Harrison-County, Texas · implied b. ~1900 — 3 household members
| Surname | Lewis |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Marshall City |
| 1935 Residence (County) | Harrison |
| Occupation | Laborer |
| Industry | Cotton Oil Mill |
| Class of Worker | PW |
| Hours Worked | 77 |
| Income (1939) | 448 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mandy Lewis (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mandy Lewis
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Isaac Lewis
Head · 1940 · age 40 · b. ~1900 · Texas
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Harrison-County, Texas
Open full size
1940 US Federal Census — Harrison-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04057-00205)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Willie Alexander | 1 | Daughter | — | Texas |
| 42 | Leroy Dawson | 33 | Head | Crane Operator | Texas |
| 43 | Oressa Dawson | 32 | Wife | Servant | Texas |
| 44 | Willie Fields | 39 | Head | Salesman | Texas |
| 45 | Bessie Fields | 36 | Wife | — | Texas |
| 46 | Alice M. Fields | 8 | Daughter | — | Texas |
| 47 | Willie Jr. Fields | 5 | Son | — | Texas |
| 48 | Emmitt E. Fields | 2 | Son | — | Texas |
| 49 | Mary Lee Fields | 0 | Daughter | — | Texas |
| 50 | Ed. Harris | 30 | Head | Attendant | Louisiana |
| 51 | Mary Harris | 28 | Wife | Servant | Louisiana |
| 52 | Maurice J. D. Harris | 7 | Step-son | — | Louisiana |
| 53 | Beatricia Jackson | 38 | Lodger | Cook | Texas |
| 54 | Cora Philips | 53 | Head | Laundress | Texas |
| 55 | Early Harvey | 37 | Sister | — | Texas |
| 56 | Lucy Wallace | 67 | Head | Laundress | Texas |
| 57 | John Branson | 40 | Lodger | Laborer | Mississippi |
| 58 | Mamie Branson | 42 | Lodger | Cook | Texas |
| 59 | Hallet Turner | 40 | Head | Laundress | Texas |
| 60 | Ernest Knighton | 25 | Son | Laborer | Texas |
| 61 | Lalia Traves | 26 | Daughter | — | Texas |
| 62 | Adela Traves | 27 | Grand-son | Helper Car Shops | Texas |
| 63 | Ernest Farriet | 35 | Head | Laborer | Texas |
| 64 | Teaula Farriet | 33 | Wife | Laundress | Texas |
| 65 | Mary Marlow | 70 | Mother-in-law | — | Texas |
| 66 | Herman Marlow | 18 | Step-brother | Yard Work | Texas |
| 67 | Ernest Jr. Farriet | 15 | Son | — | Texas |
| 68 | Tillithia Bayd | 31 | Head | — | Texas |
| 69 | Sam Oglitree | 85 | Head | — | Louisiana |
| 70 | Wash Jr. Campbell | 25 | Head | — | Texas |
| 71 | Callie Campbell | 56 | Aunt | — | Texas |
| 72 | Frank Jr. Pettis | 38 | Head | Laborer | Texas |
| 73 | Anna M. Pettis | 35 | Wife | — | Texas |
| 74 | Dorothy V. Pettis | 15 | Daughter | — | Indiana |
| 75 | Frank Jr. Pettis | 13 | Son | — | Texas |
| 76 | Josie Ann Pettis | 10 | Daughter | — | Texas |
| 77 | Sarah J. Pettis | 7 | Daughter | — | Texas |
| 78 | Isaac Lewis THIS PERSON | 40 | Head | Laborer | Texas |
| 79 | Eula Lewis | 39 | Wife | — | Texas |
| 80 | Juanita Lewis | 18 | Daughter | — | Texas |
Pedigree Summary
Isaac
Gen 1 · 1 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)