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Grace Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harrison-County, Indiana
Our Model Tree links this Grace Martin across the 1930 and 1940 US Censuses in Harrison-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 14-person household.
Age 11
b. ~1929
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Indiana |
| Surname | Martin |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Posey |
| 1935 Residence (County) | Harrison |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Posey |
| Est. Birth Year | ~1929 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Elmer Wilson | Other | — | ~1940 | |
| Alvin Wilson | Other | — | 25 | ~1915 |
| Bobby Martin | Son | — | 18 | ~1922 |
| Cyrus Martin | Son | — | 17 | ~1923 |
| Alvin Wilson | Other | — | 6 | ~1934 |
| Bryan Martin | Son | — | 26 | ~1914 |
| Henrietta Wilson | Daughter | — | 26 | ~1914 |
| Grace Martin | Daughter | — | 11 | ~1929 |
| Anna Wilson | Other | — | 7 | ~1933 |
| Paul Martin | Son | — | 20 | ~1920 |
| Fredrick Martin | Son | — | 28 | ~1912 |
| David Martin | Son | — | 9 | ~1931 |
| George Martin | Head | — | 68 | ~1872 |
| Dorothy Wilson | Other | — | 5 | ~1935 |
Census Appearances
1930
Harrison, Indiana
Daughter, age 1
Harrison, Indiana · implied b. ~1929 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Harrison-County, Indiana
Daughter, age 11
Harrison-County, Indiana · implied b. ~1929 — 14 household members
| Surname | Martin |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Posey |
| 1935 Residence (County) | Harrison |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 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 Grace Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Martin
Daughter · 1940 · age 11 · b. ~1929 · Indiana
★ You are viewing this record
Sibling
Cyrus Martin
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henrietta Wilson
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fredrick Martin
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Martin
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Martin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bryan Martin
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobby Martin
Sibling · 1940 · age 18
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 — Harrison-County, Indiana
Open full size
1940 US Federal Census — Harrison-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01051-00375)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Woutz | 57 | Head | Farmer | Indiana |
| 42 | Belva Woutz | 55 | Wife | — | Indiana |
| 43 | John William Woutz | 15 | Son | — | Indiana |
| 44 | Edna Mae Woutz | 13 | Daughter | — | Indiana |
| 45 | Frank Scales | 44 | Head | Farmer | Indiana |
| 46 | Herschel Scales | 46 | Brother | Laborer | Indiana |
| 47 | Walter Scales | 70 | Father | — | Indiana |
| 48 | Virginia Scales | 68 | Mother | — | Indiana |
| 49 | George R Martin | 68 | Head | Farmer | Indiana |
| 50 | Fredrick Martin | 28 | Son | Farmer | Indiana |
| 51 | Bryan Martin | 26 | Son | Farmer | Indiana |
| 52 | Cyrus Martin | 17 | Son | Farmer | Indiana |
| 53 | Paul Martin | 20 | Son | Farmer | Indiana |
| 54 | Bobby Martin | 18 | Son | — | Indiana |
| 55 | Grace Martin THIS PERSON | 11 | Daughter | — | Indiana |
| 56 | David Martin | 9 | Son | — | Indiana |
| 57 | Henrietta Wilson | 26 | Daughter | — | Indiana |
| 58 | Alvin Wilson | 25 | Son-in-law | Salesman | Indiana |
| 59 | Anna Laura Wilson | 7 | Granddaughter | — | Indiana |
| 60 | Dorothy Lucille Wilson | 5 | Granddaughter | — | Indiana |
| 61 | Alvin Lester Wilson | 6 | Grandson | — | Indiana |
| 62 | Elmer Lewis Wilson | 0 | Grandson | — | Indiana |
| 63 | Griff R Wilson | 37 | Head | Farmer | Indiana |
| 64 | Lulie Wilson | 37 | Wife | — | Indiana |
| 65 | Doris Wilson | 12 | Daughter | — | Indiana |
| 66 | Frank R Leffler | 44 | Head | Farmer | Indiana |
| 67 | Edward Leffler | 40 | Brother | Laborer | Indiana |
| 68 | Florence Leffler | 35 | Sister | — | Indiana |
| 69 | Lindsey R Alvey | 58 | Head | Farmer | Indiana |
| 70 | Lura Alvey | 52 | Wife | — | Missouri |
| 71 | Charles R Russell | 44 | Head | Farmer | Indiana |
| 72 | Pauline Russell | 78 | Mother | — | Kentucky |
| 73 | John R Baker | 51 | Head | Farmer | Indiana |
| 74 | Janice Baker | 38 | Wife | — | Kentucky |
| 75 | Howard Baker | 12 | Son | — | Indiana |
| 76 | Lula Mae Baker | 10 | Daughter | — | Indiana |
| 77 | James R Baker | 7 | Son | — | Indiana |
| 78 | Elizabeth Patrick | 61 | Head | — | Indiana |
| 79 | Will Cromwell | 62 | Head | Farm Supervisor | Indiana |
| 80 | Edna Cromwell | 51 | Wife | — | Indiana |
Related Census Records
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)