MP
Martha Parker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Indiana
Our Model Tree links this Martha Parker across the 1930 and 1940 US Censuses in Madison-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Indiana |
| Surname | Parker |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Lapel Town |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Lapel Town |
| Est. Birth Year | ~1923 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| George Parker | Son | — | 15 | ~1925 |
| Martha Parker | Daughter | — | 17 | ~1923 |
| Donald Parker | Son | — | 11 | ~1929 |
| Ona Parker | Spouse | — | 36 | ~1904 |
| Jacqulene Parker | Daughter | — | 9 | ~1931 |
| Elmer Parker | Head | — | 38 | ~1902 |
Census Appearances
1930
Madison, Indiana
Daughter, age 7
Madison, Indiana · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Martha |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Madison-County, Indiana
Daughter, age 17
Madison-County, Indiana · implied b. ~1923 — 6 household members
| Surname | Parker |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Lapel Town |
| 1935 Residence (County) | Madison |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| 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 Parker across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Parker
Daughter · 1940 · age 17 · b. ~1923 · Indiana
★ You are viewing this record
Sibling
George Parker
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jacqulene Parker
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Parker
Sibling · 1940 · age 11
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-t0627-01074-00457)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clay Witt | 51 | Head | — | Indiana |
| 2 | Virginia Witt | 47 | Wife | — | Indiana |
| 3 | Harry Wilking | 33 | Lodger | Musician | Indiana |
| 4 | Clifford Alexander | 48 | Head | Barber | Indiana |
| 5 | Effie Alexander | 33 | Wife | — | Indiana |
| 6 | Robert Lee Alexander | 12 | Son | — | Indiana |
| 7 | Lillian Isaac | 80 | Head | — | Indiana |
| 8 | Olivia Burke | 24 | Lodger | Teacher | Indiana |
| 9 | Dwight A. Smith | 40 | Head | Head Inspector | Indiana |
| 10 | Katherine Smith | 40 | Wife | — | Indiana |
| 11 | Myrta Smith | 19 | Daughter | Housekeeper | Indiana |
| 12 | Thad Burt Smith | 16 | Son | — | Indiana |
| 13 | Marie Smith | 13 | Daughter | — | Indiana |
| 14 | Jody Smith | 11 | Son | — | Indiana |
| 15 | Lawrence Stoops | 27 | Head | Feeder | Indiana |
| 16 | Gara Stoops | 23 | Wife | Inspector | Indiana |
| 17 | Elmer Parker | 38 | Head | Buffer | Indiana |
| 18 | Ona Parker | 36 | Wife | Shoulder | Indiana |
| 19 | Martha Parker THIS PERSON | 17 | Daughter | — | Indiana |
| 20 | George Parker | 15 | Son | — | Indiana |
| 21 | Donald Parker | 11 | Son | — | Indiana |
| 22 | Jacqulene Parker | 9 | Daughter | — | Indiana |
| 23 | Elmer D. Sperry | 62 | Head | Merchant | Indiana |
| 24 | Josephine Sperry | 60 | Wife | — | Indiana |
| 25 | Charles Caster | 57 | Head | Shipping Clerk | Indiana |
| 26 | Eva C. Caster | 54 | Wife | — | Indiana |
| 27 | Iris Fay Barker | 7 | Daughter | — | Indiana |
| 28 | Mahlon Horine | 41 | Head | Millman | Indiana |
| 29 | Geneva Horine | 36 | Wife | — | Indiana |
| 30 | Dewayne Horine | 7 | Son | — | Indiana |
| 31 | Alva Keeling | 29 | Lodger | Millman | Indiana |
| 32 | Willis Trout | 36 | Head | Tank Tender | Indiana |
| 33 | Audrey Trout | 34 | Wife | Clerk | Indiana |
| 34 | Marilyn Trout | 12 | Daughter | — | Indiana |
| 35 | William Males | 71 | Head | — | Indiana |
| 36 | Vernie Males | 66 | Wife | — | Indiana |
| 37 | Russell Males | 38 | Son | Laborer | Indiana |
| 38 | Louise Males | 35 | Daughter | Taper Coils | Indiana |
| 39 | James Lee Males | 9 | Grandson | — | Indiana |
| 40 | Carolyn Males | 6 | Daughter | — | 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)