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Isaac Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Mississippi
Our Model Tree links this Isaac Jackson across the 1930 and 1940 US Censuses in Jefferson-County, Mississippi (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 13-person household.
Age 21
b. ~1919
Male
Son
Born: MISSISSIPPI
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Mississippi |
| Surname | JACKSON |
| Given Name | ISAAC |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | MISSISSIPPI |
| 1935 Residence (City) | DISTRICT 3 |
| 1935 Residence (County) | JEFFERSON |
| Additional Details | |
| Occupation | FARM LABORER |
| Industry | FARM |
| Class of Worker | NP |
| Hours Worked | 19 |
| Income (1939) | 288 |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Farm Laborer |
| Township / Ward | District 3 |
| Est. Birth Year | ~1919 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Love Jackson | Son | — | 19 | ~1921 |
| Cralee Jackson | Daughter | — | 5 | ~1935 |
| Estella Jackson | Daughter | — | 14 | ~1926 |
| Rebecca Jackson | Daughter | — | 21 | ~1919 |
| Mary Jackson | Daughter | — | 8 | ~1932 |
| Ette Jackson | Spouse | — | 46 | ~1894 |
| Jay Jackson | Son | — | 17 | ~1923 |
| Monroe Jackson | Son | — | 12 | ~1928 |
| Isaac Jackson | Son | — | 21 | ~1919 |
| Tom Jackson | Son | — | 1 | ~1939 |
| Johnnie Jackson | Daughter | — | 16 | ~1924 |
| Monroe Jackson | Head | — | 55 | ~1885 |
| Windell Jackson | Son | — | 6 | ~1934 |
Census Appearances
1930
Jefferson, Mississippi
Son, age 10
Jefferson, Mississippi · implied b. ~1920 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | No |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Jefferson-County, Mississippi
Son, age 21
Jefferson-County, Mississippi · implied b. ~1919 — 13 household members
| Surname | JACKSON |
| Given Name | ISAAC |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | MISSISSIPPI |
| 1935 Residence (City) | DISTRICT 3 |
| 1935 Residence (County) | JEFFERSON |
| Occupation | FARM LABORER |
| Industry | FARM |
| Class of Worker | NP |
| Hours Worked | 19 |
| Income (1939) | 288 |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Jackson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Isaac Jackson
Son · 1940 · age 21 · b. ~1919 · Mississippi
★ You are viewing this record
Sibling
Estella Jackson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tom Jackson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cralee Jackson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rebecca Jackson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johnnie Jackson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jay Jackson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Love Jackson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Jackson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Monroe Jackson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Windell Jackson
Sibling · 1940 · age 6
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 — Jefferson-County, Mississippi
Open full size
1940 US Federal Census — Jefferson-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02034-00215)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Harris | 48 | HEAD | Laborer | MISSISSIPPI |
| 2 | Pearl Harris | 33 | WIFE | Laundress | LOUISIANA |
| 3 | Monroe Jackson | 55 | HEAD | Farmer | MISSISSIPPI |
| 4 | Ette Jackson | 46 | WIFE | — | MISSISSIPPI |
| 5 | Rebecca Jackson | 21 | DAUGHTER | — | MISSISSIPPI |
| 6 | Isaac Jackson THIS PERSON | 21 | SON | Farm Laborer | MISSISSIPPI |
| 7 | Love C. Jackson | 19 | SON | Farm Laborer | MISSISSIPPI |
| 8 | Jay P. Jackson | 17 | SON | Farm Laborer | MISSISSIPPI |
| 9 | Johnnie R. Jackson | 16 | DAUGHTER | — | MISSISSIPPI |
| 10 | Estella Jackson | 14 | DAUGHTER | — | MISSISSIPPI |
| 11 | Monroe Jr. Jackson | 12 | SON | — | MISSISSIPPI |
| 12 | Mary Dell Jackson | 8 | DAUGHTER | — | MISSISSIPPI |
| 13 | Windell Jackson | 6 | SON | — | MISSISSIPPI |
| 14 | Cralee Jackson | 5 | DAUGHTER | — | MISSISSIPPI |
| 15 | Tom Willie Jackson | 1 | SON | — | MISSISSIPPI |
| 16 | Grover Jackson | 26 | HEAD | Farmer | MISSISSIPPI |
| 17 | Mamie Jackson | 21 | WIFE | — | MISSISSIPPI |
| 18 | Lela Mae Jackson | 3 | DAUGHTER | — | MISSISSIPPI |
| 19 | Grover Jr. Jackson | 1 | SON | — | MISSISSIPPI |
| 20 | Mattie Mae Jackson | 0 | DAUGHTER | — | MISSISSIPPI |
| 21 | George Montgomery | 65 | HEAD | Farmer | MISSISSIPPI |
| 22 | Hattie Montgomery | 60 | WIFE | — | MISSISSIPPI |
| 23 | Georgie Montgomery | 17 | DAUGHTER | — | MISSISSIPPI |
| 24 | Louis Montgomery | 22 | HEAD | Farmer | MISSISSIPPI |
| 25 | Ruth Montgomery | 17 | WIFE | — | MISSISSIPPI |
| 26 | Louis Jr. Montgomery | 2 | SON | — | MISSISSIPPI |
| 27 | Sidney L. Montgomery | 0 | SON | — | MISSISSIPPI |
| 28 | Johnnie Jackson | 49 | HEAD | — | MISSISSIPPI |
| 29 | Mignowette Jackson | 40 | WIFE | — | MISSISSIPPI |
| 30 | Cleveson Jackson | 18 | SON | Laborer | MISSISSIPPI |
| 31 | Otis Jackson | 16 | SON | Laborer | MISSISSIPPI |
| 32 | Dirie Jackson | 14 | DAUGHTER | Farm Laborer | MISSISSIPPI |
| 33 | Roberson Jackson | 13 | SON | — | MISSISSIPPI |
| 34 | Lowetta Jackson | 10 | DAUGHTER | — | MISSISSIPPI |
| 35 | Handy Jackson | 8 | SON | — | MISSISSIPPI |
| 36 | Gloria Mae Jackson | 5 | DAUGHTER | — | MISSISSIPPI |
| 37 | Tray Jackson | 1 | SON | — | MISSISSIPPI |
| 38 | James Washington | 67 | HEAD | Farmer | MISSISSIPPI |
| 39 | Hattie Washington | 58 | WIFE | — | MISSISSIPPI |
| 40 | Thomas Washington | 36 | SON | Laborer | MISSISSIPPI |
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)