MJ
Martha Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Mississippi
Our Model Tree links this Martha Jackson across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Mississippi (XGBoost, ~Confirmed), with identified parents Horace & Martha — first a daughter (b.~1913), then head of a 11-person household.
Age 27
b. ~1913
Female
Daughter
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Mississippi |
| Surname | Jackson |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 3 |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | 5 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | 5 |
| Township / Ward | Beat 3 |
| Est. Birth Year | ~1913 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Thelma Jackson | Daughter | — | 13 | ~1927 |
| Hattie Jackson | Daughter | — | 20 | ~1920 |
| Louise Jackson | Daughter | — | 11 | ~1929 |
| Jeannette Jackson | Daughter | — | 8 | ~1932 |
| Martha Jackson | Daughter | — | 27 | ~1913 |
| Naomi Jackson | Daughter | — | 7 | ~1933 |
| Emma Jackson | Daughter | — | 22 | ~1918 |
| Horace Jackson | Head | — | 54 | ~1886 |
| Burnell Dethry | Other | — | 5 | ~1935 |
| F Jackson | Son | — | 17 | ~1923 |
| Martha Jackson | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Jefferson, Mississippi
Other, age 7
Jefferson, Mississippi · implied b. ~1913 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Martha |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Student |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Jefferson, Mississippi
Daughter, age 16
Jefferson, Mississippi · implied b. ~1914 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Jefferson-County, Mississippi
Daughter, age 27
Jefferson-County, Mississippi · implied b. ~1913 — 11 household members
| Surname | Jackson |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 3 |
| 1935 Residence (County) | Jefferson |
| Occupation | 5 |
| Highest Grade | H 4 |
| 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 Martha Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Horace Jackson (~0.92 confidence) and mother Martha Jackson (~0.92 confidence) and mother Hester Jackson (~0.92 confidence) and father George Jackson (~0.60 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
Horace Jackson
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Martha Jackson
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Hester Jackson
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
George Jackson
b. ~1906
Source father
● Household
· direct · ~0.6
This person
Anchor record
Martha Jackson
Daughter · 1940 · age 27 · b. ~1913 · Mississippi
★ You are viewing this record
Sibling
Thelma Jackson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Jackson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeannette Jackson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Jackson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
F Jackson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Naomi Jackson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hattie Jackson
Sibling · 1940 · age 20
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-t0627-02034-00185)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leonard Sampson | 18 | Son | Farm Hand | Mississippi |
| 2 | Mary L. Sampson | 15 | Daughter | 6 | Mississippi |
| 3 | Guy Jr. Sampson | 11 | Son | — | Mississippi |
| 4 | Burnett Sampson | 9 | Son | — | Mississippi |
| 5 | Mary E. Sampson | 5 | Daughter | — | Mississippi |
| 6 | Beulah L. Sampson | 3 | Daughter | — | Mississippi |
| 7 | Clarence Sampson | 0 | Son | — | Mississippi |
| 8 | Napoleon George | 50 | Head | 7 | Mississippi |
| 9 | Bessie George | 25 | Wife | 5 | Mississippi |
| 10 | Napoleon Jr. George | 8 | Son | — | Mississippi |
| 11 | Joseph George | 4 | Son | — | Mississippi |
| 12 | Rosa Mae George | 2 | Daughter | — | Mississippi |
| 13 | Mildred E. George | 0 | Daughter | — | Mississippi |
| 14 | Boles Riley | 40 | Head | Farmer | Mississippi |
| 15 | Estella Riley | 37 | Wife | 5 | Mississippi |
| 16 | Marion Riley | 16 | Son | 6 | Mississippi |
| 17 | Boles Jr. Riley | 15 | Son | 6 | Mississippi |
| 18 | Helen Riley | 13 | Daughter | — | Mississippi |
| 19 | Hazel Riley | 11 | Daughter | — | Mississippi |
| 20 | Catherine Riley | 9 | Daughter | — | Mississippi |
| 21 | Mildred Riley | 7 | Daughter | — | Mississippi |
| 22 | Edward Riley | 5 | Son | — | Mississippi |
| 23 | Adelia Riley | 3 | Daughter | — | Mississippi |
| 24 | Estella Riley | 0 | Daughter | — | Mississippi |
| 25 | Linell Riley | 27 | Brother | Farm Hand | Mississippi |
| 26 | Horace Jackson | 54 | Head | Carpenter | Mississippi |
| 27 | Martha Jackson | 48 | Wife | 5 | Mississippi |
| 28 | Martha Jackson THIS PERSON | 27 | Daughter | 5 | Mississippi |
| 29 | Emma Jackson | 22 | Daughter | 5 | Mississippi |
| 30 | Hattie M. Jackson | 20 | Daughter | 5 | Mississippi |
| 31 | F. Walter Jackson | 17 | Son | Farm Hand | Mississippi |
| 32 | Thelma Jackson | 13 | Daughter | — | Mississippi |
| 33 | Louise Jackson | 11 | Daughter | — | Mississippi |
| 34 | Jeannette Jackson | 8 | Daughter | — | Mississippi |
| 35 | Naomi Jackson | 7 | Daughter | — | Mississippi |
| 36 | Burnell Dethry | 5 | Grandson | — | Mississippi |
| 37 | George Anderson | 22 | Head | Laborer | Mississippi |
| 38 | Jimmie Coffey | 40 | Head | Farmer | Mississippi |
| 39 | Meshear Coffey | 21 | Wife | 5 | Mississippi |
| 40 | Katherine Coffey | 7 | Daughter | — | Mississippi |
Related Census Records
Pedigree Summary
Martha + 7 siblings
Gen 1 · 4 parents
~0.84
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)