MW
Martha Wood — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Indiana
Our Model Tree links this Martha Wood across the 1930 and 1940 US Censuses in Knox-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 6-person household.
Age 16
b. ~1924
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Indiana |
| Surname | Wood |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Vigo Township |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| John Wood | Son | — | 10 | ~1930 |
| Martha Wood | Daughter | — | 16 | ~1924 |
| Eugene Wood | Son | — | 19 | ~1921 |
| William Wood | Head | — | 57 | ~1883 |
| Nellie Wood | Spouse | — | 50 | ~1890 |
| Quinton Wood | Son | — | 21 | ~1919 |
Census Appearances
1930
Knox, Indiana
Daughter, age 6
Knox, Indiana · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wood |
| 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
Knox-County, Indiana
Daughter, age 16
Knox-County, Indiana · implied b. ~1924 — 6 household members
| Surname | Wood |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Knox |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Indiana |
| 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 Wood across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Wood
Daughter · 1940 · age 16 · b. ~1924 · Indiana
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Sibling
Quinton Wood
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Wood
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Wood
Sibling · 1940 · age 10
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 — Knox-County, Indiana
Open full size
1940 US Federal Census — Knox-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01060-00519)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | August Memmert | 55 | Head | Farmer | Indiana |
| 42 | William C Wood | 57 | Head | Manager | Indiana |
| 43 | Nellie Wood | 50 | Wife | — | Indiana |
| 44 | Quinton Wood | 21 | Son | — | Indiana |
| 45 | Eugene Wood | 19 | Son | Farmer | Indiana |
| 46 | Martha Wood THIS PERSON | 16 | Daughter | — | Indiana |
| 47 | John Wood | 10 | Son | — | Indiana |
| 48 | Ernest Volle | 37 | Head | Farmer | Indiana |
| 49 | Deda Volle | 39 | Wife | — | Illinois |
| 50 | Ray Volle | 15 | Son | — | Indiana |
| 51 | Gertrude Volle | 9 | Daughter | — | Indiana |
| 52 | Netta Volle | 7 | Daughter | — | Indiana |
| 53 | Betty Volle | 4 | Daughter | — | Indiana |
| 54 | Judith Volle | 2 | Daughter | — | Indiana |
| 55 | Fred Winter | 30 | Head | Farmer | Indiana |
| 56 | Verne Winter | 32 | Wife | — | Indiana |
| 57 | Walter Stoeckly | 57 | Head | Farmer | Indiana |
| 58 | Ema Stoeckly | 53 | Wife | — | Indiana |
| 59 | Arthur Stoeckly | 23 | Son | Farmer | Indiana |
| 60 | Donald Stoeckly | 15 | Son | — | Indiana |
| 61 | John Linnenbecker | 50 | Head | Farmer | Indiana |
| 62 | Hulda Linnenbecker | 48 | Wife | — | Indiana |
| 63 | Harold Linnenbecker | 22 | Son | Farmer | Indiana |
| 64 | Herman J. Koenig | 57 | Head | Mail Carrier | Indiana |
| 65 | Nellie Koenig | 46 | Wife | — | Indiana |
| 66 | Helen Koenig | 19 | Daughter | — | Indiana |
| 67 | Herman Jr Koenig | 17 | Son | — | Indiana |
| 68 | Royal Wampler | 60 | Head | Farmer | Indiana |
| 69 | Goldena Wampler | 54 | Wife | — | Indiana |
| 70 | Messel Sue Wampler | 7 | Daughter | — | Indiana |
| 71 | Rosco Reed | 34 | Head | Miner | Indiana |
| 72 | Zada Reed | 28 | Wife | — | Indiana |
| 73 | Harold Reed | 5 | Son | — | Indiana |
| 74 | Virgil Fredrick | 37 | Head | Dairy Man | Indiana |
| 75 | Josephine Fredrick | 34 | Wife | Dairy Maid | Indiana |
| 76 | Nathlene Fredrick | 15 | Daughter | — | Michigan |
| 77 | Carl Houghland | 38 | Head | Coal Miner | Indiana |
| 78 | Irene Houghland | 36 | Wife | — | Indiana |
| 79 | Carl Houghland | 18 | Son | Farmer | Indiana |
| 80 | Ferdinand Wene | 56 | Head | Freight Conductor | Illinois |
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)