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Thomas Leonard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Daviess-County, Indiana
Our Model Tree links this Thomas Leonard across the 1930 and 1940 US Censuses in Daviess-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Daviess-County, Indiana |
| Surname | Leonard |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | Daviess |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Washington Twp |
| Est. Birth Year | ~1930 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Patty Leonard | Daughter | — | 4 | ~1936 |
| Juanita Leonard | Daughter | — | 16 | ~1924 |
| Ralph Leonard | Head | — | 45 | ~1895 |
| Joella Leonard | Daughter | — | 12 | ~1928 |
| Thomas Leonard | Son | — | 10 | ~1930 |
| Essie Leonard | Spouse | — | 41 | ~1899 |
| Hester Leonard | Daughter | — | 18 | ~1922 |
| Soren Leonard | Son | — | 9 | ~1931 |
| Verna Leonard | Daughter | — | 14 | ~1926 |
| Charlotte Leonard | Daughter | — | 6 | ~1934 |
Census Appearances
1930
Daviess, Indiana
Son, age
Daviess, Indiana · implied b. ~1930 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Thomas E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Daviess-County, Indiana
Son, age 10
Daviess-County, Indiana · implied b. ~1930 — 10 household members
| Surname | Leonard |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | Daviess |
| Income (1939) | 0 |
| Highest Grade | No 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 Thomas Leonard across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Leonard
Son · 1940 · age 10 · b. ~1930 · Indiana
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Sibling
Soren Leonard
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joella Leonard
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patty Leonard
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Leonard
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hester Leonard
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita Leonard
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verna Leonard
Sibling · 1940 · age 14
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 — Daviess-County, Indiana
Open full size
1940 US Federal Census — Daviess-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01034-00738)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary E. Trotter | 62 | Head | — | Indiana |
| 42 | Wilbur Trotter | 36 | Son | Farmer | Indiana |
| 43 | Lawrence Trotter | 33 | Son | Laborer | Indiana |
| 44 | Bernard Trotter | 33 | Son | Farmer | Indiana |
| 45 | Charles C. Feagans | 65 | Head | City Mail Carrier | Indiana |
| 46 | Pansy M. Feagans | 66 | Wife | — | Illinois |
| 47 | M. M. Mcbride | 59 | Head | Mail Carrier | Indiana |
| 48 | Jessie Mcbride | 48 | Wife | — | Indiana |
| 49 | Harry Mcbride | 27 | Son | Farmer | Indiana |
| 50 | Mary L. Mcbride | 19 | Daughter | Housework | Indiana |
| 51 | Jacob Angerer | 59 | Head | Farmer | Indiana |
| 52 | Mary Angerer | 53 | Wife | — | Indiana |
| 53 | Ray Angerer | 26 | Son | Teaching | Indiana |
| 54 | Jacob Jr. Angerer | 19 | Son | Clerical | Indiana |
| 55 | Ruth Angerer | 17 | Daughter | — | Indiana |
| 56 | Edward Fanning | 49 | Head | Counter Salesman | Indiana |
| 57 | Myrtle Fanning | 40 | Wife | — | Indiana |
| 58 | Joseph Fanning | 22 | Son | Laborer | Indiana |
| 59 | Mary Fanning | 21 | Daughter | Sales Lady | Indiana |
| 60 | Marjorie Fanning | 18 | Daughter | Housework | Indiana |
| 61 | Helen Fanning | 14 | Daughter | — | Indiana |
| 62 | Robert Fanning | 11 | Son | — | Indiana |
| 63 | Homer Collins | 43 | Head | Carman | Indiana |
| 64 | Nancy Ann Collins | 46 | Wife | — | Indiana |
| 65 | Virginia R. Collins | 12 | Daughter | — | Indiana |
| 66 | Barbara Ann Collins | 8 | Daughter | — | Indiana |
| 67 | May Potts | 69 | Head | Practical Nursing | Indiana |
| 68 | Lawrence G. Potts | 24 | Son | Construction Laborer | Indiana |
| 69 | Ralph Leonard | 45 | Head | Carpenter | Indiana |
| 70 | Essie Leonard | 41 | Wife | — | Indiana |
| 71 | Hester Leonard | 18 | Daughter | — | Indiana |
| 72 | Juanita Leonard | 16 | Daughter | Housework | Indiana |
| 73 | Verna Leonard | 14 | Daughter | — | Indiana |
| 74 | Joella Leonard | 12 | Daughter | — | Indiana |
| 75 | Thomas Leonard THIS PERSON | 10 | Son | — | Indiana |
| 76 | Soren Leonard | 9 | Son | — | Indiana |
| 77 | Charlotte Leonard | 6 | Daughter | — | Indiana |
| 78 | Patty Ann Leonard | 4 | Daughter | — | Indiana |
| 79 | Wayne Bogard | 39 | Head | Contractor | Indiana |
| 80 | Carrie Bogard | 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)