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William Leonard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jackson-County, Ohio
Our Model Tree links this William Leonard across the 1920, 1930 and 1940 US Censuses in Jackson-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1862), then head of a 3-person household.
Age 78
b. ~1862
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Ohio |
| Surname | Leonard |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 78 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Highest Grade | No 7 |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Jefferson Township |
| Est. Birth Year | ~1862 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Maud Leonard | Daughter | — | 54 | ~1886 |
| William Leonard | Head | — | 78 | ~1862 |
| Emma Leonard | Spouse | — | 76 | ~1864 |
Census Appearances
1920
Jackson, Ohio
Head, age 58
Jackson, Ohio · implied b. ~1862 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | William A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Jackson, Ohio
Head, age 68
Jackson, Ohio · implied b. ~1862 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 22 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Laborer |
| Industry | Clay mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Jackson-County, Ohio
Head, age 78
Jackson-County, Ohio · implied b. ~1862 — 3 household members
| Surname | Leonard |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 78 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (County) | Jackson |
| Highest Grade | No 7 |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Leonard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Leonard
Head · 1940 · age 78 · b. ~1862 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jackson-County, Ohio
Open full size
1940 US Federal Census — Jackson-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03089-00223)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eloise Helen | 5 | Daughter | — | Ohio |
| 42 | William Leonard THIS PERSON | 78 | Head | — | Ohio |
| 43 | Emma E. Leonard | 76 | Wife | — | Ohio |
| 44 | Maud Leonard | 54 | Daughter | — | Ohio |
| 45 | Spencer Leonard | 32 | Head | Laborer | Ohio |
| 46 | Dessa Leonard | 27 | Wife | — | Kentucky |
| 47 | Louise Leonard | 9 | Daughter | — | Ohio |
| 48 | Voris Leonard | 6 | Son | — | Ohio |
| 49 | Katherine Leonard | 4 | Daughter | — | Ohio |
| 50 | Betty Leonard | 4 | Daughter | — | Ohio |
| 51 | Herbert E. Leonard | 53 | Head | Laborer | Ohio |
| 52 | Eltha Leonard | 47 | Wife | — | Ohio |
| 53 | Crystine Leonard | 19 | Daughter | — | Ohio |
| 54 | Avis Irene Leonard | 15 | Daughter | — | Ohio |
| 55 | Lavon Leonard | 13 | Daughter | — | Ohio |
| 56 | Wayne Leonard | 11 | Son | — | Ohio |
| 57 | Denver Leonard | 8 | Son | — | Ohio |
| 58 | George L. Richelly | 63 | Head | Carpenter | Kentucky |
| 59 | Elizabeth P. Richelly | 49 | Wife | — | Ohio |
| 60 | William D. Smith | 30 | Head | Grinder | Ohio |
| 61 | Clara Smith | 22 | Wife | — | Ohio |
| 62 | William H. Smith | 5 | Son | — | Ohio |
| 63 | Judy Carol Smith | 1 | Daughter | — | Ohio |
| 64 | Frank D. Smith | 51 | Head | Wheel Clay | Ohio |
| 65 | Margaret Smith | 73 | Mother | — | Ohio |
| 66 | James Reese | 54 | Head | Laborer | Ohio |
| 67 | Lizzie Reese | 50 | Wife | — | Ohio |
| 68 | Trafton Reese | 29 | Son | Truck Driver | Ohio |
| 69 | Wilber Reese | 27 | Son | Shipping Clerk | Ohio |
| 70 | Mary Margaret Reese | 18 | Daughter | — | Ohio |
| 71 | Thomas D. Colby | 21 | Head | Laborer | Ohio |
| 72 | Irene Colby | 21 | Wife | — | Ohio |
| 73 | Mabel Ruth Colby | 2 | Son | — | Ohio |
| 74 | Thomas L. Colby | 1 | Son | — | Ohio |
| 75 | James Betts | 36 | Head | Wheel Push | Ohio |
| 76 | Hulda Betts | 27 | Wife | — | Ohio |
| 77 | Mary Katherine Betts | 11 | Daughter | — | Ohio |
| 78 | James Jr. Betts | 7 | Son | — | Ohio |
| 79 | Betty Lou Betts | 2 | Daughter | — | Ohio |
| 80 | George Christian | 38 | Head | Wheel Push | Ohio |
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)