IH
Isaac Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caddo-County, Louisiana
Our Model Tree links this Isaac Harris across the 1920, 1930 and 1940 US Censuses in Caddo-County, Louisiana (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 4-person household.
Age 48
b. ~1892
Male
Head
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Caddo-County, Louisiana |
| Surname | Harris |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | 4 |
| 1935 Residence (County) | Caddo |
| Additional Details | |
| Occupation | truck driver |
| Industry | Building Contractor |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1040 |
| Highest Grade | no 7 |
| 1935 Residence | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Truck Driver |
| Township / Ward | 4 |
| Est. Birth Year | ~1892 |
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 Isaac | Age | Birth yr |
|---|---|---|---|---|
| Hattie Harris | Spouse | — | 36 | ~1904 |
| Emma Robertson | Other | — | 17 | ~1923 |
| Isaac Harris | Head | — | 48 | ~1892 |
| Piccola Harris | Daughter | — | 15 | ~1925 |
Census Appearances
1920
Bossier, Louisiana
Head, age 30
Bossier, Louisiana · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Isah |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Em |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Caddo, Louisiana
Head, age 41
Caddo, Louisiana · implied b. ~1889 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 22 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Oil Field |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Veteran | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Caddo-County, Louisiana
Head, age 48
Caddo-County, Louisiana · implied b. ~1892 — 4 household members
| Surname | Harris |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | 4 |
| 1935 Residence (County) | Caddo |
| Occupation | truck driver |
| Industry | Building Contractor |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1040 |
| Highest Grade | no 7 |
| 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 Isaac Harris across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Isaac Harris
Head · 1940 · age 48 · b. ~1892 · 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 — Caddo-County, Louisiana
Open full size
1940 US Federal Census — Caddo-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01388-01008)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Richardson | 15 | daughter | — | Louisiana |
| 42 | Louise Richardson | 13 | daughter | — | Louisiana |
| 43 | Alberta Lofton | 52 | mother | Maid | Louisiana |
| 44 | Mary Mack | 69 | Aunt | — | Louisiana |
| 45 | Daisy Washington | 39 | Head | Servant | Texas |
| 46 | Silas Crawford | 24 | son-in-law | Laborer | Louisiana |
| 47 | Gladys Crawford | 17 | daughter | — | Louisiana |
| 48 | Dorothy Mae Crawford | 3 | granddaughter | — | Louisiana |
| 49 | Pearl Johnson | 53 | Head | — | Louisiana |
| 50 | Pearl Johnson | 10 | daughter | — | Louisiana |
| 51 | Walter Batist | 28 | lodger | Laborer | Louisiana |
| 52 | Erma Lee Batist | 20 | wife | — | Louisiana |
| 53 | Dorothy Lee Batist | 1 | daughter | — | Louisiana |
| 54 | Henrietta Rivers | 69 | lodger | — | Louisiana |
| 55 | Porter Chapman | 52 | Head | Laborer | Louisiana |
| 56 | Zallie Chapman | 30 | wife | — | Louisiana |
| 57 | Lucius Cunningham | 24 | lodger | Laborer | Louisiana |
| 58 | Frankie Cunningham | 25 | wife | Teacher | Louisiana |
| 59 | Louisa Ford | 58 | Head | — | Louisiana |
| 60 | Carrie White | 54 | lodger | Servant | Louisiana |
| 61 | Isaac Harris THIS PERSON | 48 | Head | Truck Driver | Louisiana |
| 62 | Hattie Harris | 36 | wife | — | Louisiana |
| 63 | Piccola Harris | 15 | daughter | — | Louisiana |
| 64 | Emma Robertson | 17 | niece | — | Louisiana |
| 65 | Em Montgomery | 38 | Head | Laborer | Arkansas |
| 66 | Trudy Montgomery | 32 | wife | — | Arkansas |
| 67 | Clara Montgomery | 14 | daughter | — | Arkansas |
| 68 | Minnie Mae Harris | 16 | Cousin | — | Arkansas |
| 69 | Edgar Helms | 45 | Head | Laborer | Louisiana |
| 70 | Phonie Helms | 39 | wife | — | Louisiana |
| 71 | Monroe Mayfield | 39 | Head | Truck Driver | Louisiana |
| 72 | Elnora Mayfield | 33 | wife | — | Louisiana |
| 73 | Henry M Mayfield | 10 | son | — | Louisiana |
| 74 | Monroe Mayfield | 8 | son | — | Louisiana |
| 75 | Dorris Mayfield | 6 | daughter | — | Louisiana |
| 76 | Lola Mae Mayfield | 4 | daughter | — | Louisiana |
| 77 | Valerie Mayfield | 2 | daughter | — | Louisiana |
| 78 | Charlie Peterson | 34 | Head | Truck Driver | Louisiana |
| 79 | Rosella Peterson | 33 | wife | — | Texas |
| 80 | Charlie Mae Peterson | 8 | daughter | — | 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)