LJ
Leonard Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Leonard Jones across the 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 11-person household.
Age 11
b. ~1929
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Jones |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Dayton |
| Est. Birth Year | ~1929 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leonard | Age | Birth yr |
|---|---|---|---|---|
| Almay Jones | Daughter | — | 8 | ~1932 |
| Alexander Jones | Son | — | 15 | ~1925 |
| Lafayette Jones | Son | — | 6 | ~1934 |
| Alexander Jones | Head | — | 36 | ~1904 |
| Lillie Jones | Spouse | — | 35 | ~1905 |
| Hubert Jones | Son | — | 1 | ~1939 |
| Ernest Jones | Son | — | 14 | ~1926 |
| Leonard Jones | Son | — | 11 | ~1929 |
| Johnie Jones | Son | — | 17 | ~1923 |
| Thomas Jones | Son | — | 12 | ~1928 |
| Addie Jones | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Warren, Ohio
Son, age 1
Warren, Ohio · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Son, age 11
Montgomery-County, Ohio · implied b. ~1929 — 11 household members
| Surname | Jones |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| Highest Grade | No 4 |
| 1935 Residence | Ohio |
| 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 Leonard Jones across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leonard Jones
Son · 1940 · age 11 · b. ~1929 · Ohio
★ You are viewing this record
Sibling
Johnie Jones
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Jones
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Almay Jones
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alexander Jones
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lafayette Jones
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Jones
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Addie Jones
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hubert Jones
Sibling · 1940 · age 1
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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03254-00573)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George W. Jr. Berry | 42 | Head | Laborer | Georgia |
| 42 | Lucile Berry | 37 | Wife | Housekeeper | Georgia |
| 43 | Lester Cabiness | 19 | Son-in-law | Truck Driver | Ohio |
| 44 | Hattie Cabiness | 22 | Daughter | — | Georgia |
| 45 | Le Roy Berry | 35 | Nephew | Laborer | Georgia |
| 46 | George Berry | 5 | Nephew | — | Georgia |
| 47 | Richard H. Mcgill | 54 | Head | Paper Hanger | Tennessee |
| 48 | Elen Mcgill | 45 | Wife | — | Tennessee |
| 49 | Clarence J. Mcgill | 23 | Son | Janitor | Ohio |
| 50 | Delois Mcgill | 15 | Daughter | — | Ohio |
| 51 | Jake E. Findley | 68 | Head | Carpenter | Ohio |
| 52 | Anna E. Miller | 51 | Lodger | — | Ohio |
| 53 | John D. Brown | 70 | Head | Laborer | Michigan |
| 54 | — | None | — | — | — |
| 55 | Alexander Jones | 36 | Head | Minister | Georgia |
| 56 | Lillie B. Jones | 35 | Wife | — | Georgia |
| 57 | Johnie Lee Jones | 17 | Son | — | Ohio |
| 58 | Alexander Jr. Jones | 15 | Son | — | Ohio |
| 59 | Ernest E. Jones | 14 | Son | — | Ohio |
| 60 | Thomas Jones | 12 | Son | — | Ohio |
| 61 | Leonard Jones THIS PERSON | 11 | Son | — | Ohio |
| 62 | Addie Jo Jones | 9 | Daughter | — | Ohio |
| 63 | Almay Lina Jones | 8 | Daughter | — | Ohio |
| 64 | Lafayette Jones | 6 | Son | — | Ohio |
| 65 | Hubert Lee Jones | 1 | Son | — | Ohio |
| 66 | Harry Fisher | 52 | Head | Laborer | Ohio |
| 67 | Melisia Fisher | 43 | Wife | — | W. Virginia |
| 68 | Elmer Fisher | 17 | Son | — | Ohio |
| 69 | Howard Fisher | 15 | Son | — | Ohio |
| 70 | Hazel Fisher | 13 | Daughter | — | Ohio |
| 71 | Emma Fisher | 11 | Daughter | — | Ohio |
| 72 | Clara Fisher | 10 | Daughter | — | Ohio |
| 73 | — | None | — | — | — |
| 74 | Henry Johnson | 31 | Head | Laborer | Alabama |
| 75 | Mamie Johnson | 31 | Wife | — | Alabama |
| 76 | Hattie Mae Johnson | 5 | Daughter | — | Alabama |
| 77 | Annie Johnson | 50 | Mother | — | Alabama |
| 78 | W. Morgan | 29 | Brother | Laborer | Alabama |
| 79 | Rushie Morgan | 21 | Brother | Laborer | Alabama |
| 80 | Edward Morgan | 19 | Brother | Laborer | Alabama |
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)