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Martha Long — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Noble-County, Indiana
Our Model Tree links this Martha Long across the 1930 and 1940 US Censuses in Noble-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Noble-County, Indiana |
| Surname | Long |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Avilla |
| 1935 Residence (County) | Noble |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Avilla |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Jerome Long | Son | — | 22 | ~1918 |
| Mary Long | Daughter | — | 13 | ~1927 |
| Mary Long | Spouse | — | 46 | ~1894 |
| Madolyna Long | Daughter | — | 7 | ~1933 |
| Frank Long | Head | — | 53 | ~1887 |
| Frankie Long | Son | — | 9 | ~1931 |
| Martha Long | Daughter | — | 16 | ~1924 |
| Petal Long | Daughter | — | 24 | ~1916 |
| Betty Long | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Allen, Indiana
Daughter, age 6
Allen, Indiana · implied b. ~1924 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Martha E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Noble-County, Indiana
Daughter, age 16
Noble-County, Indiana · implied b. ~1924 — 9 household members
| Surname | Long |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Avilla |
| 1935 Residence (County) | Noble |
| Highest Grade | H 2 |
| 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 Long across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Long
Daughter · 1940 · age 16 · b. ~1924 · Indiana
★ You are viewing this record
Sibling
Jerome Long
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Petal Long
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Long
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Long
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frankie Long
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madolyna Long
Sibling · 1940 · age 7
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 — Noble-County, Indiana
Open full size
1940 US Federal Census — Noble-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01082-00220)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Kromroy | 63 | Head | Foreman | Illinois |
| 42 | Ella Kromroy | 54 | Wife | — | Indiana |
| 43 | Josephine Menger | 37 | Daughter | — | Indiana |
| 44 | Daley Simon | 62 | Head | Operator | Indiana |
| 45 | Jane Simon | 21 | Daughter | Accountant | Indiana |
| 46 | Clyde Whonsetler | 57 | Head | Manager | Indiana |
| 47 | Stella Whonsetler | 53 | Wife | — | Indiana |
| 48 | Forrest Whonsetler | 35 | Son | Machine Operator | Indiana |
| 49 | Harold Whonsetler | 27 | Son | Sales | Indiana |
| 50 | Kenneth Sneary | 45 | Head | Medical Dr. | Ohio |
| 51 | Grace Sneary | 43 | Wife | — | Indiana |
| 52 | Betty Sneary | 15 | Daughter | — | Ohio |
| 53 | Max Sneary | 9 | Son | — | Ohio |
| 54 | Frank Long | 53 | Head | Labor | Indiana |
| 55 | Mary Long | 46 | Wife | — | Indiana |
| 56 | Petal Long | 24 | Daughter | Sales Lady | Indiana |
| 57 | Jerome Long | 22 | Son | Painter | Indiana |
| 58 | Martha Long THIS PERSON | 16 | Daughter | — | Indiana |
| 59 | Mary Jane Long | 13 | Daughter | — | Indiana |
| 60 | Betty Long | 11 | Daughter | — | Indiana |
| 61 | Frankie Long | 9 | Son | — | Indiana |
| 62 | Madolyna Long | 7 | Daughter | — | Indiana |
| 63 | Joseph Walt | 81 | Head | Pensioned | Germany |
| 64 | Josephine Walt | 75 | Wife | — | Germany |
| 65 | Joseph Jr. Walt | 48 | Son | Cobbler | Indiana |
| 66 | Guy Rickards | 56 | Head | Publisher | Ohio |
| 67 | Iva Rickards | 45 | Wife | — | Indiana |
| 68 | Francis Padgitt | 22 | Head | — | W. Virginia |
| 69 | Effie Padgitt | 71 | Wife | — | Indiana |
| 70 | Frank Yeiser | 73 | Head | Manager | Indiana |
| 71 | Helen Yeiser | 69 | Wife | — | Indiana |
| 72 | Charles H. Smith | 59 | Head | Galvanizer | Indiana |
| 73 | Genevieve Smith | 29 | Wife | — | Indiana |
| 74 | Ruth C. Smith | 5 | Daughter | — | Indiana |
| 75 | Robert C. Smith | 4 | Son | — | Indiana |
| 76 | Robert Moore | 22 | Head | Salesman | Michigan |
| 77 | Evelyn Moore | 19 | Wife | — | Indiana |
| 78 | Richard Moore | 2 | Son | — | Indiana |
| 79 | John Lobdell | 40 | Head | Section Man | Indiana |
| 80 | Grace Lobdell | 38 | Wife | — | 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)