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William Leach — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Howard-County, Indiana
Our Model Tree links this William Leach across the 1930 and 1940 US Censuses in Howard-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Howard-County, Indiana |
| Surname | Leach |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Kokomo City |
| 1935 Residence (County) | Howard |
| Additional Details | |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Kokomo City |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mabel Leach | Spouse | — | 36 | ~1904 |
| Corbett Leach | Head | — | 41 | ~1899 |
| Bobby Leach | Daughter | — | 3 | ~1937 |
| William Leach | Son | — | 11 | ~1929 |
| Betty Leach | Daughter | — | 16 | ~1924 |
| Jr Leach | Son | — | 14 | ~1926 |
| Donald Leach | Son | — | 5 | ~1935 |
| Robert Leach | Son | — | 8 | ~1932 |
Census Appearances
1930
Howard, Indiana
Son, age 1
Howard, Indiana · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leach |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | New Jersey |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Howard-County, Indiana
Son, age 11
Howard-County, Indiana · implied b. ~1929 — 8 household members
| Surname | Leach |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Kokomo City |
| 1935 Residence (County) | Howard |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | H 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 William Leach across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Leach
Son · 1940 · age 11 · b. ~1929 · Indiana
★ You are viewing this record
Sibling
Donald Leach
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jr Leach
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Leach
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobby Leach
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Leach
Sibling · 1940 · age 16
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 — Howard-County, Indiana
Open full size
1940 US Federal Census — Howard-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01053-00353)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cleas Breedlove | 55 | Head | Carpenter | Indiana |
| 2 | Blanche Breedlove | 48 | Wife | Seamstress | Indiana |
| 3 | Pearl M Blessing | 47 | Head | — | Indiana |
| 4 | Harold Blessing | 27 | Son | — | Indiana |
| 5 | Joseph Blessing | 20 | Son | Laborer | Indiana |
| 6 | Thomas Blessing | 17 | Son | New Worker | Indiana |
| 7 | Arlie Heavilin | 55 | Head | — | Indiana |
| 8 | Christina Heavilin | 75 | Grandmother | — | Indiana |
| 9 | Wayne Heavilin | 29 | Son in law | Salesman | Indiana |
| 10 | Mary Blessing | 19 | Daughter | — | Indiana |
| 11 | Mildred Miller | 27 | Head | Assistant Optometrist | Indiana |
| 12 | Laurel Miller | 22 | Wife | — | Indiana |
| 13 | Ruth Miller | 2 | Daughter | — | Indiana |
| 14 | Wayne Miller | 0 | Son | — | Indiana |
| 15 | Corbett Leach | 41 | Head | Millwright | Indiana |
| 16 | Mabel Leach | 36 | Wife | — | Kentucky |
| 17 | Betty Leach | 16 | Daughter | — | Indiana |
| 18 | Jr Corbett Leach | 14 | Son | — | Indiana |
| 19 | William Leach THIS PERSON | 11 | Son | — | Indiana |
| 20 | Robert Leach | 8 | Son | — | Indiana |
| 21 | Donald Leach | 5 | Son | — | Indiana |
| 22 | Bobby Lou Leach | 3 | Daughter | — | Indiana |
| 23 | James R Small | 31 | Head | Policeman | Indiana |
| 24 | Gwendolyn Small | 27 | Wife | Operator | Indiana |
| 25 | Thomas V Small | 11 | Son | — | Indiana |
| 26 | Benj Stonecipher | 44 | Head | County Assessor | Kentucky |
| 27 | Grace Stonecipher | 40 | Wife | — | Indiana |
| 28 | Helen Stonecipher | 24 | Daughter | Wiring | Indiana |
| 29 | Doris Stonecipher | 21 | Daughter | New Worker | Indiana |
| 30 | Lois Stonecipher | 18 | Daughter | — | Indiana |
| 31 | Edith Stonecipher | 12 | Daughter | — | Indiana |
| 32 | John W Burns | 53 | Head | — | Indiana |
| 33 | Edith M Burns | 41 | Wife | Operator | Indiana |
| 34 | Morris Johnetta Burns | 21 | Daughter | Folder | Indiana |
| 35 | Emil O York | 42 | Head | Sheet Keeper | Ohio |
| 36 | Maude E York | 42 | Wife | — | Missouri |
| 37 | Hazel Eileen York | 24 | Daughter | Assembler | Indiana |
| 38 | Beulah Nadine York | 8 | Niece | — | Indiana |
| 39 | Harry Dininger | 46 | Head | Janitor | Indiana |
| 40 | Alva Dininger | 43 | 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)