MJ
Martha Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Indiana
Our Model Tree links this Martha Jackson across the 1930 and 1940 US Censuses in Madison-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Indiana |
| Surname | Jackson |
| Given Name | Martha Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Anderson |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Anderson |
| Est. Birth Year | ~1925 |
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 |
|---|---|---|---|---|
| Rosalie Jackson | Daughter | — | 13 | ~1927 |
| Martha Jackson | Daughter | — | 15 | ~1925 |
| Marilyn Jackson | Daughter | — | 6 | ~1934 |
| Ryan Jackson | Head | — | 42 | ~1898 |
| Ada Jackson | Other | — | 64 | ~1876 |
| Ray Jackson | Other | — | 40 | ~1900 |
| Arthur Hammersmith | Other | — | 49 | ~1891 |
| Lewis Jackson | Son | — | 21 | ~1919 |
| Wayne Jackson | Son | — | 19 | ~1921 |
| Lu Jackson | Son | — | 9 | ~1931 |
| Edith Jackson | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Madison, Indiana
Daughter, age 5
Madison, Indiana · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Martha J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Madison-County, Indiana
Daughter, age 15
Madison-County, Indiana · implied b. ~1925 — 11 household members
| Surname | Jackson |
| Given Name | Martha Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Anderson |
| 1935 Residence (County) | Madison |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Jackson
Daughter · 1940 · age 15 · b. ~1925 · Indiana
★ You are viewing this record
Sibling
Marilyn Jackson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosalie Jackson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Jackson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lu Jackson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Jackson
Sibling · 1940 · age 19
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 — Madison-County, Indiana
Open full size
1940 US Federal Census — Madison-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01073-00215)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Oren R. Haltoclaw | Haltoelaw | 4 | Son | — | Indiana |
| 42 | Edward R. Haltoclaw | Haltoelaw | 3 | Son | — | Indiana |
| 43 | Judith Haltoclaw | Haltoelaw | 1 | Daughter | — | Indiana |
| 44 | Howard R. King | 28 | Head | Polisher | Illinois |
| 45 | Louise Q. King | 25 | Wife | — | Illinois |
| 46 | Carl R. King | 1 | Son | — | Illinois |
| 47 | Robert Applegate | 30 | Head | Painter | Indiana |
| 48 | Marie Applegate | 22 | Wife | — | Indiana |
| 49 | John B. Applegate | 2 | Son | — | Indiana |
| 50 | Frances M. Applegate | 0 | Daughter | — | Indiana |
| 51 | Ray C. Fields | 24 | Head | Hauler | Indiana |
| 52 | Ruth Fields | 26 | Wife | Inspector | Missouri |
| 53 | Helen Fields | 4 | Daughter | — | Indiana |
| 54 | Raymond Barrett | 31 | Head | Plater | Indiana |
| 55 | Mae Barrett | 28 | Wife | — | Indiana |
| 56 | Barbara Barrett | 7 | Daughter | — | Indiana |
| 57 | Connie Ann Barrett | 5 | Daughter | — | Indiana |
| 58 | Rea Badgley | 53 | Head | — | Indiana |
| 59 | Nobel Pennington | 33 | Head | Furnace Forge | Indiana |
| 60 | Irene Pennington | 28 | Wife | — | Alabama |
| 61 | Shirley Ann Pennington | 4 | Daughter | — | Indiana |
| 62 | Roscoe Vogel | 28 | Head | Grinder | Indiana |
| 63 | Ruth Vogel | 22 | Wife | — | Indiana |
| 64 | Janice Vogel | 3 | Daughter | — | Indiana |
| 65 | Charles F. Bristow | 30 | Head | Painter | Indiana |
| 66 | Mary Bristow | 30 | Wife | — | Indiana |
| 67 | Ryan Jackson | 42 | Head | Mechanic | Kentucky |
| 68 | Edith Jackson | 42 | Wife | — | Indiana |
| 69 | Lewis Jackson | 21 | Son | Newsworker | Indiana |
| 70 | Wayne Jackson | 19 | Son | — | Indiana |
| 71 | Martha Jean Jackson THIS PERSON | 15 | Daughter | — | Indiana |
| 72 | Rosalie Jackson | 13 | Daughter | — | Indiana |
| 73 | Lu Carrol Jackson | 9 | Son | — | Indiana |
| 74 | Marilyn Jackson | 6 | Daughter | — | Indiana |
| 75 | Ada Jackson | 64 | Mother | — | Kentucky |
| 76 | Ray Jackson | 40 | Brother | Farmer | Indiana |
| 77 | Arthur Hammersmith | 49 | Lodger | Farm Helper | Indiana |
| 78 | Mary E. Byrd | 48 | Head | — | Indiana |
| 79 | Mary M. Byrd | 15 | Daughter | — | Indiana |
| 80 | Nancy Mckinney | 74 | Head | — | Indiana |
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)