JL
James Leonard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sullivan-County, Tennessee
Our Model Tree links this James Leonard across the 1930 and 1940 US Censuses in Sullivan-County, Tennessee (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Male
Son
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sullivan-County, Tennessee |
| Surname | Leonard |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | 5 |
| 1935 Residence (County) | Sullivan |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | 5 |
| Est. Birth Year | ~1927 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Agnes Leonard | Daughter | — | 19 | ~1921 |
| Nellie Leonard | Daughter | — | 11 | ~1929 |
| James Leonard | Head | — | 64 | ~1876 |
| Fred Leonard | Son | — | 14 | ~1926 |
| Miller Leonard | Son | — | 21 | ~1919 |
| Charlie Leonard | Son | — | 17 | ~1923 |
| James Leonard | Son | — | 13 | ~1927 |
| Donald Leonard | Son | — | 6 | ~1934 |
| Ocie Leonard | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Sullivan, Tennessee
Son, age 2
Sullivan, Tennessee · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Joe |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Sullivan-County, Tennessee
Son, age 13
Sullivan-County, Tennessee · implied b. ~1927 — 9 household members
| Surname | Leonard |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | 5 |
| 1935 Residence (County) | Sullivan |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 James Leonard across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Leonard
Son · 1940 · age 13 · b. ~1927 · Tennessee
★ You are viewing this record
Sibling
Agnes Leonard
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Leonard
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Leonard
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Leonard
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Miller Leonard
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlie Leonard
Sibling · 1940 · age 17
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 — Sullivan-County, Tennessee
Open full size
1940 US Federal Census — Sullivan-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03937-00586)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lena P Hunter | 66 | Wife | House Keeping | Tennessee |
| 42 | John G Dove | 34 | Head | Mechanic | Virginia |
| 43 | Mary L Dove | 33 | Wife | House Keeping | Tennessee |
| 44 | William H Bowers | 29 | Son in law | Salesman | Tennessee |
| 45 | Hallie P Bowers | 27 | Daughter | House Keeping | Tennessee |
| 46 | James G Barnes | 35 | Head | Carpenter | Tennessee |
| 47 | Gladys V Barnes | 38 | Wife | Seamstress | Virginia |
| 48 | Violet E Barnes | 15 | Daughter | — | Tennessee |
| 49 | Mary L Barnes | 12 | Daughter | — | Tennessee |
| 50 | Douglas J Barnes | 9 | Son | — | Tennessee |
| 51 | James Leonard | 64 | Head | Farming | Virginia |
| 52 | Ocie E Leonard | 46 | Wife | House Keeping | Virginia |
| 53 | Miller Leonard | 21 | Son | Farming | Virginia |
| 54 | Agnes Leonard | 19 | Daughter | House Keeping | Virginia |
| 55 | Charlie W Leonard | 17 | Son | Farming | Virginia |
| 56 | Fred E Leonard | 14 | Son | Farming | Virginia |
| 57 | James R Leonard THIS PERSON | 13 | Son | — | Tennessee |
| 58 | Nellie E Leonard | 11 | Daughter | — | Virginia |
| 59 | Donald R Leonard | 6 | Son | — | Tennessee |
| 60 | Edwin S W Wolford | 62 | Head | Farming | Tennessee |
| 61 | Eliza J Wolford | 58 | Wife | House Keeping | Tennessee |
| 62 | Alvin S Moore | 47 | Head | Carpenter | Virginia |
| 63 | Penta E Moore | 39 | Wife | House Keeping | Virginia |
| 64 | Herald P Moore | 17 | Son | Clerk | Virginia |
| 65 | Herbert E Moore | 15 | Son | — | Virginia |
| 66 | Ruby A Moore | 9 | Daughter | — | Virginia |
| 67 | Charlie A Moore | 7 | Son | — | Tennessee |
| 68 | Corrie H Pippin | 16 | Cousin | Laborer | Virginia |
| 69 | Clarence H Stover | 52 | Head | Sawyer | Michigan |
| 70 | Mary A Stover | 45 | Wife | House Keeping | Tennessee |
| 71 | Katherine M Stover | 23 | Daughter | Stenographer | Virginia |
| 72 | Eleanor E Stover | 20 | Daughter | Operator | Virginia |
| 73 | Louise E Stover | 17 | Daughter | — | Virginia |
| 74 | Clarence H Jr Stover | 14 | Son | — | Virginia |
| 75 | Nathan F Stover | 12 | Son | — | Virginia |
| 76 | Mary E W Bishop | 62 | Head | House Keeping | Tennessee |
| 77 | Glenna Bishop | 25 | Daughter | Seamstress | Tennessee |
| 78 | Landon H Leonard | 17 | Son | Farming | Tennessee |
| 79 | Lawrence M Leonard | 11 | Grandson | Farming | Tennessee |
| 80 | Silas M Christian | 67 | Head | Manager | Tennessee |
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)