JL
John Leonard — 1940 US Census Record
Model Tree available1940 United States Federal Census · Stark-County, Ohio
Our Model Tree links this John Leonard across the 1920, 1930 and 1940 US Censuses in Stark-County, Ohio (XGBoost, ~Confirmed), with identified parents George & Mary — first a son (b.~1915), then head of a 6-person household.
Age 25
b. ~1915
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Stark-County, Ohio |
| Surname | Leonard |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Canton City |
| 1935 Residence (County) | Stark |
| Additional Details | |
| Occupation | Salesman |
| Industry | Real Estate |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Salesman |
| Township / Ward | Canton City |
| Est. Birth Year | ~1915 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Anne Leonard | Daughter | — | 10 | ~1930 |
| George Leonard | Head | — | 60 | ~1880 |
| Annie Myles | Other | — | 35 | ~1905 |
| Winton Leonard | Son | — | 19 | ~1921 |
| John Leonard | Son | — | 25 | ~1915 |
| Louise Leonard | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Stark, Ohio
Son, age 3
Stark, Ohio · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Stark, Ohio
Son, age 13
Stark, Ohio · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Stark-County, Ohio
Son, age 25
Stark-County, Ohio · implied b. ~1915 — 6 household members
| Surname | Leonard |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Canton City |
| 1935 Residence (County) | Stark |
| Occupation | Salesman |
| Industry | Real Estate |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| 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 John Leonard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Leonard (~0.92 confidence) and mother Mary Leonard (~0.92 confidence) and father Fred Leonard (~0.92 confidence) and mother Louise Leonard (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Leonard
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Mary Leonard
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Fred Leonard
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Louise Leonard
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Leonard
Son · 1940 · age 25 · b. ~1915 · Ohio
★ You are viewing this record
Sibling
Anne Leonard
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Winton Leonard
Sibling · 1940 · age 19
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 — Stark-County, Ohio
Open full size
1940 US Federal Census — Stark-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03183-00328)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harold Beacoy | 18 | Nephew | — | Ohio |
| 42 | Fredrick Yeomans | 32 | Head | Asst. Inventory | Ohio |
| 43 | Helen Yeomans | 28 | Wife | — | Ohio |
| 44 | Donna Jean Yeomans | 5 | Daughter | — | Ohio |
| 45 | Margaret Bell | 71 | Head | — | Canada English |
| 46 | Robert M. Bell | 40 | Son | Steel Inspector | Ohio |
| 47 | Sarah White | 40 | Lodger | Mgr. Assist. | Ohio |
| 48 | Grover Harrison | 30 | Head | Store Mgr. | West Virginia |
| 49 | Ruth Harrison | 25 | Wife | — | Ohio |
| 50 | Lucius Guernsey | 42 | Head | Salesman | Florida |
| 51 | Josephine Guernsey | 34 | Wife | — | Ohio |
| 52 | Caroline Guernsey | 19 | Daughter | — | Pennsylvania |
| 53 | Lucius 3Rd. Guernsey | 17 | Son | — | Pennsylvania |
| 54 | Pascaline Towner | None | Mother-in-law | — | — |
| 55 | Charles M. Joliet | 61 | Head | Roller | Ohio |
| 56 | Ann Joliet | 61 | Wife | — | Ohio |
| 57 | Florence Blanchard | 47 | Niece | Coach | Ohio |
| 58 | Peter Hintz | 32 | Head | Mechanic | Ohio |
| 59 | Mary Etta Hintz | 30 | Wife | — | Ohio |
| 60 | Mary Hintz | 5 | Daughter | — | Ohio |
| 61 | Arthur Adams | 43 | Head | Secretary | Ohio |
| 62 | Celia Adams | 42 | Wife | — | Ohio |
| 63 | Robert Adams | 18 | Son | — | Ohio |
| 64 | Joyce Adams | 10 | Daughter | — | Ohio |
| 65 | Clifton J. Warren | 35 | Head | Teacher | Ohio |
| 66 | Alma Warren | 30 | Wife | — | Ohio |
| 67 | Francis Warren | 3 | Daughter | — | Ohio |
| 68 | May Dougherty | 50 | Head | — | Canada English |
| 69 | George A. Leonard | 60 | Head | Real Estate Own | Ohio |
| 70 | Louise Leonard | 50 | Wife | — | Ohio |
| 71 | John Leonard THIS PERSON | 25 | Son | Salesman | Ohio |
| 72 | Winton Leonard | 19 | Son | Operator | Ohio |
| 73 | Anne Leonard | 10 | Daughter | — | Ohio |
| 74 | Annie Myles | 35 | Maid | Maid | Alabama |
| 75 | Homer H. Urichot | 48 | Head | Fireman | Ohio |
| 76 | Mary G. Urichot | 38 | Wife | — | Ohio |
| 77 | Joyce Urichot | 19 | Daughter | — | Ohio |
| 78 | Elma M. Dauchey | 71 | Head | Nursing | Ohio |
| 79 | Donald Haggart | 34 | Head | Salesman | Ohio |
| 80 | Beatrice Haggart | 30 | Wife | — | Ohio |
Pedigree Summary
John + 2 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)