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William Leach — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harris-County, Texas
Our Model Tree links this William Leach across the 1930 and 1940 US Censuses in Harris-County, Texas (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 4-person household.
Age 54
b. ~1886
Male
Head
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Harris-County, Texas |
| Surname | Leach |
| Given Name | William E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Houston City |
| 1935 Residence (County) | Harris |
| Additional Details | |
| Occupation | Secretary |
| Industry | Petroleum Refinery |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 5400 |
| Highest Grade | C 5 |
| 1935 Residence | Texas |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Secretary |
| Township / Ward | Houston City |
| Est. Birth Year | ~1886 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Leach | Head | — | 54 | ~1886 |
| Mary Leach | Spouse | — | 51 | ~1889 |
| Jim Leach | Son | — | 33 | ~1907 |
| John Leach | Son | — | 20 | ~1920 |
Census Appearances
1930
Harris, Texas
Head, age 44
Harris, Texas · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leach |
| Given Name | William E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 28 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | Assistant Sales Manager |
| Industry | Oil Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 8000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Harris-County, Texas
Head, age 54
Harris-County, Texas · implied b. ~1886 — 4 household members
| Surname | Leach |
| Given Name | William E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Houston City |
| 1935 Residence (County) | Harris |
| Occupation | Secretary |
| Industry | Petroleum Refinery |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 5400 |
| Highest Grade | C 5 |
| 1935 Residence | Texas |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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
Head · 1940 · age 54 · b. ~1886 · Texas
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Harris-County, Texas
Open full size
1940 US Federal Census — Harris-County, Texas
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04200-00236)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Oliver M. Mcswain | 39 | Head | Printer | Alabama |
| 42 | Anna Mcswain | 34 | Wife | — | Texas |
| 43 | Thomas C. Marrero | 35 | Head | Stationary Engineer | Texas |
| 44 | Kay Marrero | 34 | Wife | Distributor | Texas |
| 45 | Anna Jean Marrero | 14 | Daughter | — | Texas |
| 46 | Tomye Rae Marrero | 9 | Daughter | — | Texas |
| 47 | Gusta W. Christensen | 27 | Head | Absorption Plant Operator | Texas |
| 48 | Anna O. Christensen | 24 | Wife | — | Texas |
| 49 | Rose Nell Christensen | 4 | Daughter | — | Texas |
| 50 | E. M. Kellerman | 26 | Head | Sheet Metal Worker | Texas |
| 51 | Virginia Kellerman | 22 | Wife | — | Texas |
| 52 | Edward M. Jr. Kellerman | 2 | Son | — | Texas |
| 53 | James Kirk | 17 | Brother-in-law | — | Texas |
| 54 | Ralph H. Cornell | 40 | Head | Salesman | Massachusetts |
| 55 | Maurine Cornell | 32 | Wife | Machine Operator | Texas |
| 56 | S. A. Roche | 39 | Head | Safety Inspector | Texas |
| 57 | Sarah B. Roche | 27 | Wife | — | Texas |
| 58 | Clarence Roche | 8 | Son | — | Texas |
| 59 | William Roche | 7 | Son | — | Texas |
| 60 | Katherine Roche | 2 | Daughter | — | Texas |
| 61 | James B. Roche | 48 | Brother | Groundman | Texas |
| 62 | Benjamin De La Garza | 37 | Head | Laborer | Texas |
| 63 | Maria De La Garza | 35 | Wife | — | Texas |
| 64 | Simon Medina | 34 | Brother-in-law | Laborer | Mexico |
| 65 | Sarah Medina | 33 | Sister | — | Texas |
| 66 | Marguerite Medina | 11 | Niece | — | Texas |
| 67 | Daniel Medina | 9 | Nephew | — | Texas |
| 68 | Hortense Medina | 6 | Niece | — | Texas |
| 69 | Esperanza Medina | 2 | Niece | — | Texas |
| 70 | Seferino Lopez | 14 | Nephew | — | Texas |
| 71 | Hilaria Avila | 60 | Mother-in-law | — | Mexico |
| 72 | Eulogio Chavez | 77 | Lodger | — | Mexico |
| 73 | William E. Leach THIS PERSON | 54 | Head | Secretary | Louisiana |
| 74 | Mary D. Leach | 51 | Wife | — | Louisiana |
| 75 | Jim D. Leach | 33 | Son | Stenographer | Texas |
| 76 | John Anthony Leach | 20 | Son | — | Texas |
| 77 | R. J. Bender | 50 | Head | Bookkeeper | Wisconsin |
| 78 | Minnie Bender | 20 | Wife | — | Texas |
| 79 | Sylvia Ann Bender | 0 | Daughter | — | Texas |
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)